subject:(Palladium)

Oregon State University

1. Barnes, W. Earl. The decay of Pd¹⁰⁹, Pd¹¹¹ [superscript g], and Pd¹¹¹ [superscript m].

Degree: PhD, Physics, 1970, Oregon State University

URL: http://hdl.handle.net/1957/45506

► The decay of Pd¹⁰⁹, Pd¹¹¹ [superscript g], and Pd¹¹¹ [superscript m] produced by thermal neutron irradiation of palladium targets has been investigated. Gamma ray energies… (more)

Subjects/Keywords: Palladium

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APA (6^th Edition):

Barnes, W. E. (1970). The decay of Pd¹⁰⁹, Pd¹¹¹ [superscript g], and Pd¹¹¹ [superscript m]. (Doctoral Dissertation). Oregon State University. Retrieved from http://hdl.handle.net/1957/45506

Chicago Manual of Style (16^th Edition):

Barnes, W Earl. “The decay of Pd¹⁰⁹, Pd¹¹¹ [superscript g], and Pd¹¹¹ [superscript m].” 1970. Doctoral Dissertation, Oregon State University. Accessed March 02, 2021. http://hdl.handle.net/1957/45506.

MLA Handbook (7^th Edition):

Barnes, W Earl. “The decay of Pd¹⁰⁹, Pd¹¹¹ [superscript g], and Pd¹¹¹ [superscript m].” 1970. Web. 02 Mar 2021.

Vancouver:

Barnes WE. The decay of Pd¹⁰⁹, Pd¹¹¹ [superscript g], and Pd¹¹¹ [superscript m]. [Internet] [Doctoral dissertation]. Oregon State University; 1970. [cited 2021 Mar 02]. Available from: http://hdl.handle.net/1957/45506.

Council of Science Editors:

Barnes WE. The decay of Pd¹⁰⁹, Pd¹¹¹ [superscript g], and Pd¹¹¹ [superscript m]. [Doctoral Dissertation]. Oregon State University; 1970. Available from: http://hdl.handle.net/1957/45506

Texas Tech University

2. Childress, Steven Ray. The synthesis and spectroscopic characterization of bis(acetylacetonato) palladium (II) phosphine complexes.

Degree: Chemistry, 1989, Texas Tech University

URL: http://hdl.handle.net/2346/14214

Subjects/Keywords: Palladium

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APA (6^th Edition):

Childress, S. R. (1989). The synthesis and spectroscopic characterization of bis(acetylacetonato) palladium (II) phosphine complexes. (Thesis). Texas Tech University. Retrieved from http://hdl.handle.net/2346/14214

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Chicago Manual of Style (16^th Edition):

Childress, Steven Ray. “The synthesis and spectroscopic characterization of bis(acetylacetonato) palladium (II) phosphine complexes.” 1989. Thesis, Texas Tech University. Accessed March 02, 2021. http://hdl.handle.net/2346/14214.

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

MLA Handbook (7^th Edition):

Childress, Steven Ray. “The synthesis and spectroscopic characterization of bis(acetylacetonato) palladium (II) phosphine complexes.” 1989. Web. 02 Mar 2021.

Vancouver:

Childress SR. The synthesis and spectroscopic characterization of bis(acetylacetonato) palladium (II) phosphine complexes. [Internet] [Thesis]. Texas Tech University; 1989. [cited 2021 Mar 02]. Available from: http://hdl.handle.net/2346/14214.

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Council of Science Editors:

Childress SR. The synthesis and spectroscopic characterization of bis(acetylacetonato) palladium (II) phosphine complexes. [Thesis]. Texas Tech University; 1989. Available from: http://hdl.handle.net/2346/14214

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Texas Tech University

3. Jeong, Woo-yeong. Synthetic, spectroscopic and mechanistic studies of Pd(II)-carbon bonding in chloranilatopalladium(II) complexes.

Degree: Chemistry, 1988, Texas Tech University

URL: http://hdl.handle.net/2346/17827

► The organometallic chemistry of palladium(II) has slowly built momentum. While the early work focused on coordination of organic molecules to palladium, the evolution of industrial… (more)

Subjects/Keywords: Palladium

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APA (6^th Edition):

Jeong, W. (1988). Synthetic, spectroscopic and mechanistic studies of Pd(II)-carbon bonding in chloranilatopalladium(II) complexes. (Thesis). Texas Tech University. Retrieved from http://hdl.handle.net/2346/17827

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Chicago Manual of Style (16^th Edition):

Jeong, Woo-yeong. “Synthetic, spectroscopic and mechanistic studies of Pd(II)-carbon bonding in chloranilatopalladium(II) complexes.” 1988. Thesis, Texas Tech University. Accessed March 02, 2021. http://hdl.handle.net/2346/17827.

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

MLA Handbook (7^th Edition):

Jeong, Woo-yeong. “Synthetic, spectroscopic and mechanistic studies of Pd(II)-carbon bonding in chloranilatopalladium(II) complexes.” 1988. Web. 02 Mar 2021.

Vancouver:

Jeong W. Synthetic, spectroscopic and mechanistic studies of Pd(II)-carbon bonding in chloranilatopalladium(II) complexes. [Internet] [Thesis]. Texas Tech University; 1988. [cited 2021 Mar 02]. Available from: http://hdl.handle.net/2346/17827.

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Council of Science Editors:

Jeong W. Synthetic, spectroscopic and mechanistic studies of Pd(II)-carbon bonding in chloranilatopalladium(II) complexes. [Thesis]. Texas Tech University; 1988. Available from: http://hdl.handle.net/2346/17827

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Michigan State University

4. Barnes, Lucien, Jr. The microdetermination of palladium with alphafurildioxime and cyclohexandionedioxime.

Degree: MS, 1949, Michigan State University

URL: http://etd.lib.msu.edu/islandora/object/etd:8835

Subjects/Keywords: Palladium

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APA (6^th Edition):

Barnes, Lucien, J. (1949). The microdetermination of palladium with alphafurildioxime and cyclohexandionedioxime. (Masters Thesis). Michigan State University. Retrieved from http://etd.lib.msu.edu/islandora/object/etd:8835

Chicago Manual of Style (16^th Edition):

Barnes, Lucien, Jr. “The microdetermination of palladium with alphafurildioxime and cyclohexandionedioxime.” 1949. Masters Thesis, Michigan State University. Accessed March 02, 2021. http://etd.lib.msu.edu/islandora/object/etd:8835.

MLA Handbook (7^th Edition):

Barnes, Lucien, Jr. “The microdetermination of palladium with alphafurildioxime and cyclohexandionedioxime.” 1949. Web. 02 Mar 2021.

Vancouver:

Barnes, Lucien J. The microdetermination of palladium with alphafurildioxime and cyclohexandionedioxime. [Internet] [Masters thesis]. Michigan State University; 1949. [cited 2021 Mar 02]. Available from: http://etd.lib.msu.edu/islandora/object/etd:8835.

Council of Science Editors:

Barnes, Lucien J. The microdetermination of palladium with alphafurildioxime and cyclohexandionedioxime. [Masters Thesis]. Michigan State University; 1949. Available from: http://etd.lib.msu.edu/islandora/object/etd:8835

University of KwaZulu-Natal

5. Zulu, Siyabonga. Methoxycarbonylation of higher olefins catalysed by (pyrazolyl-ethyl)-pyridine palladium(II) complexes.

Degree: 2018, University of KwaZulu-Natal

URL: https://researchspace.ukzn.ac.za/handle/10413/16911

► Methoxycarbonylation belongs to the family of carbonylation reactions that are efficiently catalysed by homogeneous palladium catalysts to give ester products. To date, achieving cost effect,… (more)

Subjects/Keywords: Palladium complexes.; Olefins.; Palladium catalysts.; Methoxycarbonylation.

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APA (6^th Edition):

Zulu, S. (2018). Methoxycarbonylation of higher olefins catalysed by (pyrazolyl-ethyl)-pyridine palladium(II) complexes. (Thesis). University of KwaZulu-Natal. Retrieved from https://researchspace.ukzn.ac.za/handle/10413/16911

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Chicago Manual of Style (16^th Edition):

Zulu, Siyabonga. “Methoxycarbonylation of higher olefins catalysed by (pyrazolyl-ethyl)-pyridine palladium(II) complexes.” 2018. Thesis, University of KwaZulu-Natal. Accessed March 02, 2021. https://researchspace.ukzn.ac.za/handle/10413/16911.

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

MLA Handbook (7^th Edition):

Zulu, Siyabonga. “Methoxycarbonylation of higher olefins catalysed by (pyrazolyl-ethyl)-pyridine palladium(II) complexes.” 2018. Web. 02 Mar 2021.

Vancouver:

Zulu S. Methoxycarbonylation of higher olefins catalysed by (pyrazolyl-ethyl)-pyridine palladium(II) complexes. [Internet] [Thesis]. University of KwaZulu-Natal; 2018. [cited 2021 Mar 02]. Available from: https://researchspace.ukzn.ac.za/handle/10413/16911.

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Council of Science Editors:

Zulu S. Methoxycarbonylation of higher olefins catalysed by (pyrazolyl-ethyl)-pyridine palladium(II) complexes. [Thesis]. University of KwaZulu-Natal; 2018. Available from: https://researchspace.ukzn.ac.za/handle/10413/16911

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

University of Johannesburg

6. Mdakane, Bongani Patrick. Pd(II) catalysed oxidative acetoxylation of selected alkene substrates.

Degree: 2010, University of Johannesburg

URL: http://hdl.handle.net/10210/3169

►

M.Sc.

The main objective of this study was to identify and optimise the homogeneous catalytic systems for Pd(II) catalysed alkene acetoxylation in acetic acid to… (more)

▼

M.Sc.

The main objective of this study was to identify and optimise the homogeneous catalytic systems for Pd(II) catalysed alkene acetoxylation in acetic acid to directly yield allyl or vinyl acetates as opposed to the usual aldehydes or ketones. Part of the intention of this study was to investigate potentially suitable re-oxidants and reaction conditions suitable for industrial application. The synthesis of butenyl acetate (via 1-butene acetoxylation) in particular is regarded as a potential value-adding opportunity for solvents producers. For safety considerations the study was performed with liquid alkenes (cyclohexene, cyclopentene, cycloheptene, cyclooctene and 1-hexene). Cyclohexene was used for the bulk of these studies. One of the most important and pioneering reactions in this field is the similar system for the oxidation of alkenes to ketones (the Wacker process). The related reaction, oxidative acetoxylation, is the result of the discovery of the Wacker process. The problems associated with both these reactions is the difficulty in re-oxidising the catalyst Pd once it has been reduced in the catalytic process from Pd(II) to Pd(0). Various reaction systems have been developed to improve these processes. Some of the systems that have been developed in the acetoxylation of alkenes were investigated. From the studies it has become obvious that for ease of Pd(0) re-oxidation a co-catalyst, benzoquinone, is essential for the catalytic process. This system employing a co-catalyst required another oxygen efficient re-oxidant to oxidize hydroquinone once reduced from benzoquinone in the oxidation of Pd(0). The re-oxidant would in turn be oxidized by oxygen. Various types of re-oxidants such as Cu(II) salts, heteropolyacids and metal macrocycles (e.g. Schiff base complexes and phthalocyanine metal complexes) were investigated in the multi-step electron transfer process. The most promising of the systems was the Pd(OAc)2/ benzoquinone/ heteropolyacid (H5PMo10V2O40 .34H2O)/ O2 system. From the studies it was apparent that the type of the re-oxidant can influence the yield of the product. Various other parameters were found to influence the reaction outcome. The type of Pd(II) salt was found to be influential in the reaction, for instance Pd(OAc)2 was found to be a better catalyst than Pd(CF3CO2)2. The catalyst loading was found to improve the yield iv when increased whilst this was not trivial since Pd is expensive the system needed to have as low catalyst loading as possible. The type of alkene used dictated the rate of the reaction and the product distribution. It was found that the conditions used for cyclohexene were not transferable to other alkenes without changing certain parameters to suit the alkene in question. Cycloalkenes acetoxylation was found to proceed without the addition of the strong nucleophile additive NaOAc, whilst for 1-hexene acetoxylation the reaction did not proceed without the additive. The product distribution was found to also differ between cycloalkenes and 1-hexene. For cyclohexene…

Subjects/Keywords: Palladium catalysts; Palladium oxidation; Alkenes; Cyclohexane

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APA (6^th Edition):

Mdakane, B. P. (2010). Pd(II) catalysed oxidative acetoxylation of selected alkene substrates. (Thesis). University of Johannesburg. Retrieved from http://hdl.handle.net/10210/3169

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Chicago Manual of Style (16^th Edition):

Mdakane, Bongani Patrick. “Pd(II) catalysed oxidative acetoxylation of selected alkene substrates.” 2010. Thesis, University of Johannesburg. Accessed March 02, 2021. http://hdl.handle.net/10210/3169.

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

MLA Handbook (7^th Edition):

Mdakane, Bongani Patrick. “Pd(II) catalysed oxidative acetoxylation of selected alkene substrates.” 2010. Web. 02 Mar 2021.

Vancouver:

Mdakane BP. Pd(II) catalysed oxidative acetoxylation of selected alkene substrates. [Internet] [Thesis]. University of Johannesburg; 2010. [cited 2021 Mar 02]. Available from: http://hdl.handle.net/10210/3169.

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Council of Science Editors:

Mdakane BP. Pd(II) catalysed oxidative acetoxylation of selected alkene substrates. [Thesis]. University of Johannesburg; 2010. Available from: http://hdl.handle.net/10210/3169

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Nelson Mandela Metropolitan University

7. [No author]. Development of Palladium selective reagents and materials.

Degree: Faculty of Science, 2016, Nelson Mandela Metropolitan University

URL: http://hdl.handle.net/10948/12231

► The adsorption and separation of Pd(II) from Pt(IV), Ir(IV) and Rh(III) by silica microparticles functionalized with triethylenetetramine (TETA), 2-(2-aminoethylthio)ethanamine (NSN) and 2-(2-(2-aminoethyl)ethylthio)ethanamine (NSSN) in 1… (more)

Subjects/Keywords: Palladium; Palladium compounds – Industrial applications; Chemistry, Inorganic

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APA (6^th Edition):

author], [. (2016). Development of Palladium selective reagents and materials. (Thesis). Nelson Mandela Metropolitan University. Retrieved from http://hdl.handle.net/10948/12231

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Chicago Manual of Style (16^th Edition):

author], [No. “Development of Palladium selective reagents and materials.” 2016. Thesis, Nelson Mandela Metropolitan University. Accessed March 02, 2021. http://hdl.handle.net/10948/12231.

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

MLA Handbook (7^th Edition):

author], [No. “Development of Palladium selective reagents and materials.” 2016. Web. 02 Mar 2021.

Vancouver:

author] [. Development of Palladium selective reagents and materials. [Internet] [Thesis]. Nelson Mandela Metropolitan University; 2016. [cited 2021 Mar 02]. Available from: http://hdl.handle.net/10948/12231.

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Council of Science Editors:

author] [. Development of Palladium selective reagents and materials. [Thesis]. Nelson Mandela Metropolitan University; 2016. Available from: http://hdl.handle.net/10948/12231

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Dalhousie University

8. Lavery, Christopher B. THE DEVELOPMENT AND APPLICATION OF NEW PALLADIUM CATALYSTS IN CHALLENGING C-N AND C-O BOND FORMING REACTIONS.

Degree: PhD, Department of Chemistry, 2013, Dalhousie University

URL: http://hdl.handle.net/10222/37533

► In the pursuit of increasingly efficient and/or new chemical transformations, homogeneous transition metal catalysts are proving to be invaluable components of the synthetic chemist’s toolbox.… (more)

▼ In the pursuit of increasingly efficient and/or new chemical transformations, homogeneous transition metal catalysts are proving to be invaluable components of the synthetic chemist’s toolbox. Notwithstanding the many important contributions made to the area of synthetic chemistry utilizing other transition metal catalysts, palladium-catalyzed cross-coupling techniques have been demonstrated to allow for a plethora of otherwise very difficult or even impossible bond forming reactions to be realized. In this context, appropriately designed ancillary ligands, which upon binding to a metal center can influence metal-centred reactivity, have played an essential role in the advancement of palladium-catalyzed cross-coupling reactions. This thesis describes a multi-faceted approach to the identification of effective ligands for the palladium-catalyzed construction of (sp2)carbon-nitrogen and -oxygen bonds. A new series of P,O-DalPhos ligands were developed and applied in the synthesis of of N-substituted indoles via tandem palladium-catalyzed cross-coupling/cyclizations of ortho-alkynylhalo(hetero)arenes with primary amines. Notably, one P,O-DalPhos variant, OTips-DalPhos, was demonstrated to offer the broadest known substrate scope in this important class of transformations, affording a variety of structurally diverse indoles and related heterocyclic derivatives in high yields. Also described herein is the identification of the previously reported ligand BippyPhos as an extremely robust and versatile ligand in both palladium-catalyzed carbon-nitrogen and -oxygen cross-coupling applications. Indeed, the use of a Pd/BippyPhos catalyst enabled the cross-coupling of a range of (hetero)aryl (pseudo)halides with primary and secondary amines, NH heterocycles, amides, ammonia and hydrazine, with representative examples being accommodated in air. The unprecedented scope of the Pd/BippyPhos catalyst in carbon-nitrogen cross-coupling allowed for the development of two novel one-pot, two-step syntheses of N¬-aryl heterocycles from ammonia, ortho-alkynylhalo(hetero)arenes and (hetero)aryl halides through tandem N-arylation/hydroamination reactions. A marked selectivity profile was also observed for the Pd/BippyPhos catalyst and successfully exploited in the chemoselective monoarylation of substrates featuring two distinct and potentially reactive NH-containing moieties. Finally, Pd/BippyPhos mixtures served as robust and efficient catalysts for the hydroxylation of a range of (hetero)aryl halides and ortho-alkynyl(halo)heteroarenes to form phenols and phenol-derived heterocycles. Advisors/Committee Members: Dr. Bruce Arndtsen (external-examiner), Dr. Mark Stradiotto (graduate-coordinator), Dr. Laura Turculet, Dr. Kevin Grundy and Dr. Alison Thompson (thesis-reader), Dr. Mark Stradiotto (thesis-supervisor), Not Applicable (ethics-approval), Not Applicable (manuscripts), Not Applicable (copyright-release).

Subjects/Keywords: Palladium; Catalysis; Ligands

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APA · Chicago · MLA · Vancouver · CSE | Export to Zotero / EndNote / Reference Manager

APA (6^th Edition):

Lavery, C. B. (2013). THE DEVELOPMENT AND APPLICATION OF NEW PALLADIUM CATALYSTS IN CHALLENGING C-N AND C-O BOND FORMING REACTIONS. (Doctoral Dissertation). Dalhousie University. Retrieved from http://hdl.handle.net/10222/37533

Chicago Manual of Style (16^th Edition):

Lavery, Christopher B. “THE DEVELOPMENT AND APPLICATION OF NEW PALLADIUM CATALYSTS IN CHALLENGING C-N AND C-O BOND FORMING REACTIONS.” 2013. Doctoral Dissertation, Dalhousie University. Accessed March 02, 2021. http://hdl.handle.net/10222/37533.

MLA Handbook (7^th Edition):

Lavery, Christopher B. “THE DEVELOPMENT AND APPLICATION OF NEW PALLADIUM CATALYSTS IN CHALLENGING C-N AND C-O BOND FORMING REACTIONS.” 2013. Web. 02 Mar 2021.

Vancouver:

Lavery CB. THE DEVELOPMENT AND APPLICATION OF NEW PALLADIUM CATALYSTS IN CHALLENGING C-N AND C-O BOND FORMING REACTIONS. [Internet] [Doctoral dissertation]. Dalhousie University; 2013. [cited 2021 Mar 02]. Available from: http://hdl.handle.net/10222/37533.

Council of Science Editors:

Lavery CB. THE DEVELOPMENT AND APPLICATION OF NEW PALLADIUM CATALYSTS IN CHALLENGING C-N AND C-O BOND FORMING REACTIONS. [Doctoral Dissertation]. Dalhousie University; 2013. Available from: http://hdl.handle.net/10222/37533

University of Johannesburg

9. Marais, Lizel. Palladium-catalysed conversion of unsaturated carbohydrate derivatives into selected carbo- and heterocycles.

Degree: PhD, 2012, University of Johannesburg

URL: http://hdl.handle.net/10210/7527

► The intramolecular insertion of allylpalladium species into alkene and alkyne bonds ('metalloene' cyclisation) of acetoxy-2,7-dienes and acetoxy-2-en-7-ynes has evolved into a synthetically powerful process. Proceeding… (more)

▼ The intramolecular insertion of allylpalladium species into alkene and alkyne bonds ('metalloene' cyclisation) of acetoxy-2,7-dienes and acetoxy-2-en-7-ynes has evolved into a synthetically powerful process. Proceeding from the favourable results obtained with achiral analogues, the palladium-catalysed 'metallo-ene' reactions of acyclic carbohydrate-derived 1,1-diacetoxy-2,7-diene and 1,1-diacetoxy-2-en-7-yne compounds proceeded in a stereospecific fashion to furnish chiral, multi-functionalised five-membered carbo- and heterocyclic products. A valuable consequence of the reactions of these geminal diacetate starting materials is that the products contain enolacetate, or latent aldehyde moieties. Further elaboration of these functionalities enables the facile entry to an array of substituted five-membered ring compounds, some of which have been identified as synthons or substructures of important natural products. In the presence of carbon monoxide (1 atm) the corresponding cyclic carboxylic acid products were obtained under mild 'metallo-ene' reaction conditions. Cyclised chloro componds were obtained by exposure of the 1,1-diacetoxy-2-en-7-yne substrates to Wacker-like conditions in the presence of an excess of LiC1. The highly atom economical Trost-type cycloisomerisation ensued when these enyne starting materials were stirred in acetic acid in the presence of a palladium(0) catalyst. The mechanism of the palladium-catalysed 'metallo-ene' transformations is discussed with respect to the enantioselectivity of carbopalladation of prochiral alkenes as well as the transition states. The topological influence of pre-existing centres over developing stereogenic centres is evaluated. Following indications that n-allylpalladium complexes can be prepared by the oxidative addition of Pd(0) to an a,13-unsaturated acetal, our next strategy was based on the use of suitably substituted A 2'3-pyranoside rings as chiral templates for the construction of multi-functionalised fivemembered ring systems via Pd-catalysed 'metallo-ene' cyclisations. Enantiomerically pure bi- and/or tricyclic products of carbonyl insertion were obtained in fair to good yields when these 'metallo-ene' reactions were conducted in the presence of CO under mild reaction conditions. Subsequently, bicyclic diene products were prepared via the palladium-catalysed cyclisation of Az3-C-glycoside derivatives. Important revelations concerning the relative stereochemistry of substrates for palladium-catalysed 'metallo-ene' cyclisation/carbonylation of unsaturated C-glycoside derivatives were made. The consecutive introduction of unsaturated C-alkyl side-chains at C-4 and C-1 of selected pseudoglycals via palladium-catalysed nucleophilic allylic substitution reactions accomplished the formation of chiral dienyne compounds. Palladium-catalysed cascade cycloisomerisation of these substrates effected the smooth synthesis of enantiopure tricyclic products. Cascade cyclisation of these highly unsaturated starting materials under Wacker-like conditions afforded…

Subjects/Keywords: Palladium catalysts.; Carbohydrates.

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APA (6^th Edition):

Marais, L. (2012). Palladium-catalysed conversion of unsaturated carbohydrate derivatives into selected carbo- and heterocycles. (Doctoral Dissertation). University of Johannesburg. Retrieved from http://hdl.handle.net/10210/7527

Chicago Manual of Style (16^th Edition):

Marais, Lizel. “Palladium-catalysed conversion of unsaturated carbohydrate derivatives into selected carbo- and heterocycles.” 2012. Doctoral Dissertation, University of Johannesburg. Accessed March 02, 2021. http://hdl.handle.net/10210/7527.

MLA Handbook (7^th Edition):

Marais, Lizel. “Palladium-catalysed conversion of unsaturated carbohydrate derivatives into selected carbo- and heterocycles.” 2012. Web. 02 Mar 2021.

Vancouver:

Marais L. Palladium-catalysed conversion of unsaturated carbohydrate derivatives into selected carbo- and heterocycles. [Internet] [Doctoral dissertation]. University of Johannesburg; 2012. [cited 2021 Mar 02]. Available from: http://hdl.handle.net/10210/7527.

Council of Science Editors:

Marais L. Palladium-catalysed conversion of unsaturated carbohydrate derivatives into selected carbo- and heterocycles. [Doctoral Dissertation]. University of Johannesburg; 2012. Available from: http://hdl.handle.net/10210/7527

University of Johannesburg

10. Ferreira, Alta. Palladium catalysed hydroformylation of alpha-olefins.

Degree: 2012, University of Johannesburg

URL: http://hdl.handle.net/10210/7151

►

M.Sc.

The main objective of the research described in this dissertation, was the optimisation of the palladium catalysed hydroformylation of a-olefms. An evaluation of the… (more)

▼

M.Sc.

The main objective of the research described in this dissertation, was the optimisation of the palladium catalysed hydroformylation of a-olefms. An evaluation of the efficiency of the palladium catalysed hydroformylation process required a comparison with the hydroformylation processes based on cobalt and rhodium. Variation of ligands (diphosphines of the size R2P(CH2)nPR2), solvents, acids, etc. had a dramatic effect on the products and the rate of the reaction. Trifluoroacetic acid was used to yield C-6 aldehydes from 1-pentene while trifluoromethanesulfonic acid yields C-11 ketones. Corresponding results were obtained with 1-octene as substrate. The length of the carbon bridge between the two phosphorous atoms has an optimum length of two in the case of alkylphosphine ligands, while an optimum length of three was found in the case of arylphosphine ligands. One disadvantage of the palladium catalysed hydroformylation reaction is that this reaction requires the use of bidentate phosphine ligands. These ligands are relatively expensive and also difficult to synthesise. The instability of the palladium complex and thus the precipitation of palladium were one of the major obstacles that had to be overcome. The use of additives not only increased the rate of hydroformylation but also increased catalyst stability, which in turn allowed an increase in the reaction temperature. This further increased the rate of the palladium catalysed hydroformylation reaction. These palladium catalysts were found to affect isomerisation of the a-olefin, but isomerisation was not a rate limiting process with respect to the hydroformylation reaction. Palladium catalysed isomerisation reactions occurred at a slower rate than the corresponding cobalt catalysed isomerisation process. However, with rhodium no isomerisation occurred. The comparison between cobalt, rhodium and palladium showed that rhodium is the best catalyst for the hydroformylation of a-olefins. The pressures and temperatures required for this process are much slower than that required for palladium and cobalt. The ligand used is triphenylphosphine, which is relatively inexpensive and non-toxic, in contrast with the more expensive ligands required for the cobalt and palladium hydroformylation processes. The use of palladium opens up the unique possibility of converting a-olefins into "dimeric" ketones, which show promise as precursors for the new class of geminidetergent

Subjects/Keywords: Palladium catalysts; Hydroformylation

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APA (6^th Edition):

Ferreira, A. (2012). Palladium catalysed hydroformylation of alpha-olefins. (Thesis). University of Johannesburg. Retrieved from http://hdl.handle.net/10210/7151

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Chicago Manual of Style (16^th Edition):

Ferreira, Alta. “Palladium catalysed hydroformylation of alpha-olefins.” 2012. Thesis, University of Johannesburg. Accessed March 02, 2021. http://hdl.handle.net/10210/7151.

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

MLA Handbook (7^th Edition):

Ferreira, Alta. “Palladium catalysed hydroformylation of alpha-olefins.” 2012. Web. 02 Mar 2021.

Vancouver:

Ferreira A. Palladium catalysed hydroformylation of alpha-olefins. [Internet] [Thesis]. University of Johannesburg; 2012. [cited 2021 Mar 02]. Available from: http://hdl.handle.net/10210/7151.

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Council of Science Editors:

Ferreira A. Palladium catalysed hydroformylation of alpha-olefins. [Thesis]. University of Johannesburg; 2012. Available from: http://hdl.handle.net/10210/7151

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Victoria University of Wellington

11. Turner, Claire Alison. A Palladium-Catalysed Allylic Alkylation Cascade: Towards the Total Synthesis of Thromboxanes A₂ and B₂.

Degree: 2013, Victoria University of Wellington

URL: http://hdl.handle.net/10063/3095

► The design and development of new chemical reactions is crucial to the ongoing success of organic synthesis research. In this work the scope and utility… (more)

▼ The design and development of new chemical reactions is crucial to the ongoing success of organic synthesis research. In this work the scope and utility of a recently discovered regioselective palladium-catalysed allylic alkylation (Pd-AA) cascade was explored through increasing the range of non-symmetric pyran-based biselectrophiles and β-dicarbonyl bis-nucleophiles that can be used in this reaction. Four differentially protected tri-substituted dihydropyrans based on glucose were synthesised, including 2,3-unsaturated silyl glycosides and α,β-unsaturated lactones. These substrates were assessed as bis-electrophiles in the Pd-AA cascade. One silyl glycoside bis-electrophile, possessing a carbonate leaving group, was shown to be an excellent substrate for reaction with a number of cyclic bis-nucleophiles. Furthermore, a series of regioisomeric methylated 4-hydroxycoumarins were synthesised, tested and found to be equally effective as bis-nucleophiles in the Pd-AA cascade with both acyclic and cyclic bis-electrophiles. Advances made during this research include a novel Ferrier reaction with silanol nucleophiles, which was found to produce silyl glycosides, albeit in low yields. Additionally, several Perlin aldehydes were generated by the Ferrier-type hydrolysis of 3,4,6-tri-O-acetyl-D-glucal and led to the discovery of discrepant structural assignments in the literature. Furthermore, a ¹³C NMR shielding template was generated as a tool for the stereochemical assignment of tri-substituted dihydropyrans. An extended variant of the Pd-AA cascade was achieved by employment of the bisnucleophile Meldrum’s acid with the optimal tri-substituted bis-electrophile in the presence of H₂O. The reaction afforded a γ-butyrolactone that could serve as a potential intermediate en route to the synthesis of the biologically interesting compounds thromboxanes A₂ and B₂. This extended Pd-AA cascade, although currently unoptimised, is capable of performing five synthetic transformations in one-pot and holds the potential to improve on the current syntheses of the thromboxanes. Advisors/Committee Members: Harvey, Joanne.

Subjects/Keywords: Palladium; Thromboxane; Dihydropyran

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APA · Chicago · MLA · Vancouver · CSE | Export to Zotero / EndNote / Reference Manager

APA (6^th Edition):

Turner, C. A. (2013). A Palladium-Catalysed Allylic Alkylation Cascade: Towards the Total Synthesis of Thromboxanes A₂ and B₂. (Masters Thesis). Victoria University of Wellington. Retrieved from http://hdl.handle.net/10063/3095

Chicago Manual of Style (16^th Edition):

Turner, Claire Alison. “A Palladium-Catalysed Allylic Alkylation Cascade: Towards the Total Synthesis of Thromboxanes A₂ and B₂.” 2013. Masters Thesis, Victoria University of Wellington. Accessed March 02, 2021. http://hdl.handle.net/10063/3095.

MLA Handbook (7^th Edition):

Turner, Claire Alison. “A Palladium-Catalysed Allylic Alkylation Cascade: Towards the Total Synthesis of Thromboxanes A₂ and B₂.” 2013. Web. 02 Mar 2021.

Vancouver:

Turner CA. A Palladium-Catalysed Allylic Alkylation Cascade: Towards the Total Synthesis of Thromboxanes A₂ and B₂. [Internet] [Masters thesis]. Victoria University of Wellington; 2013. [cited 2021 Mar 02]. Available from: http://hdl.handle.net/10063/3095.

Council of Science Editors:

Turner CA. A Palladium-Catalysed Allylic Alkylation Cascade: Towards the Total Synthesis of Thromboxanes A₂ and B₂. [Masters Thesis]. Victoria University of Wellington; 2013. Available from: http://hdl.handle.net/10063/3095

Montana State University

12. Reaman, Bradley Earl. Catalytic, enantioselective oxyallylation of activated carbonyl compounds.

Degree: MS, College of Letters & Science, 2012, Montana State University

URL: https://scholarworks.montana.edu/xmlui/handle/1/2108

► Stereoselective alkylations are a very useful tool in synthetic chemistry and, specifically, natural product synthesis. One such reaction, named the Tsuji-Trost allylation, is a palladium-catalyzed… (more)

Subjects/Keywords: Palladium.; Catalysts.; Alkylation.

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APA (6^th Edition):

Reaman, B. E. (2012). Catalytic, enantioselective oxyallylation of activated carbonyl compounds. (Masters Thesis). Montana State University. Retrieved from https://scholarworks.montana.edu/xmlui/handle/1/2108

Chicago Manual of Style (16^th Edition):

Reaman, Bradley Earl. “Catalytic, enantioselective oxyallylation of activated carbonyl compounds.” 2012. Masters Thesis, Montana State University. Accessed March 02, 2021. https://scholarworks.montana.edu/xmlui/handle/1/2108.

MLA Handbook (7^th Edition):

Reaman, Bradley Earl. “Catalytic, enantioselective oxyallylation of activated carbonyl compounds.” 2012. Web. 02 Mar 2021.

Vancouver:

Reaman BE. Catalytic, enantioselective oxyallylation of activated carbonyl compounds. [Internet] [Masters thesis]. Montana State University; 2012. [cited 2021 Mar 02]. Available from: https://scholarworks.montana.edu/xmlui/handle/1/2108.

Council of Science Editors:

Reaman BE. Catalytic, enantioselective oxyallylation of activated carbonyl compounds. [Masters Thesis]. Montana State University; 2012. Available from: https://scholarworks.montana.edu/xmlui/handle/1/2108

Montana State University

13. Aebly, Andrew Henry. The examination of chiral X-type ligands in Pd(II)-catalyzed enantioselective oxdiatative transformations: Examination of chiral X-type ligands in Pd(II)-catalyzed enantioselective oxidative transformations.

Degree: PhD, College of Letters & Science, 2015, Montana State University

URL: https://scholarworks.montana.edu/xmlui/handle/1/10151

► Palladium catalysis has been utilized extensively in organic chemistry for the synthesis of complex molecules. Despite its abundant use and many successful applications, there remain… (more)

Subjects/Keywords: Palladium.; Catalysis.; Ligands.

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APA (6^th Edition):

Aebly, A. H. (2015). The examination of chiral X-type ligands in Pd(II)-catalyzed enantioselective oxdiatative transformations: Examination of chiral X-type ligands in Pd(II)-catalyzed enantioselective oxidative transformations. (Doctoral Dissertation). Montana State University. Retrieved from https://scholarworks.montana.edu/xmlui/handle/1/10151

Chicago Manual of Style (16^th Edition):

Aebly, Andrew Henry. “The examination of chiral X-type ligands in Pd(II)-catalyzed enantioselective oxdiatative transformations: Examination of chiral X-type ligands in Pd(II)-catalyzed enantioselective oxidative transformations.” 2015. Doctoral Dissertation, Montana State University. Accessed March 02, 2021. https://scholarworks.montana.edu/xmlui/handle/1/10151.

MLA Handbook (7^th Edition):

Aebly, Andrew Henry. “The examination of chiral X-type ligands in Pd(II)-catalyzed enantioselective oxdiatative transformations: Examination of chiral X-type ligands in Pd(II)-catalyzed enantioselective oxidative transformations.” 2015. Web. 02 Mar 2021.

Vancouver:

Aebly AH. The examination of chiral X-type ligands in Pd(II)-catalyzed enantioselective oxdiatative transformations: Examination of chiral X-type ligands in Pd(II)-catalyzed enantioselective oxidative transformations. [Internet] [Doctoral dissertation]. Montana State University; 2015. [cited 2021 Mar 02]. Available from: https://scholarworks.montana.edu/xmlui/handle/1/10151.

Council of Science Editors:

Aebly AH. The examination of chiral X-type ligands in Pd(II)-catalyzed enantioselective oxdiatative transformations: Examination of chiral X-type ligands in Pd(II)-catalyzed enantioselective oxidative transformations. [Doctoral Dissertation]. Montana State University; 2015. Available from: https://scholarworks.montana.edu/xmlui/handle/1/10151

University of Alberta

14. Zhou, Shuai. Synthesis and catalytic applications of iron-palladium nanostructures.

Degree: MS, Department of Chemistry, 2012, University of Alberta

URL: https://era.library.ualberta.ca/files/f4752h733

► This thesis focuses on synthesis, characterization and catalytic applications of iron-based nanoparticles (NPs) in Suzuki-Miyaura cross-coupling reactions. Palladium “decorated” [email protected] NPs ([email protected]/Pd NPs) were prepared… (more)

Subjects/Keywords: iron-palladium; catalysts; nanostructures

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APA (6^th Edition):

Zhou, S. (2012). Synthesis and catalytic applications of iron-palladium nanostructures. (Masters Thesis). University of Alberta. Retrieved from https://era.library.ualberta.ca/files/f4752h733

Chicago Manual of Style (16^th Edition):

Zhou, Shuai. “Synthesis and catalytic applications of iron-palladium nanostructures.” 2012. Masters Thesis, University of Alberta. Accessed March 02, 2021. https://era.library.ualberta.ca/files/f4752h733.

MLA Handbook (7^th Edition):

Zhou, Shuai. “Synthesis and catalytic applications of iron-palladium nanostructures.” 2012. Web. 02 Mar 2021.

Vancouver:

Zhou S. Synthesis and catalytic applications of iron-palladium nanostructures. [Internet] [Masters thesis]. University of Alberta; 2012. [cited 2021 Mar 02]. Available from: https://era.library.ualberta.ca/files/f4752h733.

Council of Science Editors:

Zhou S. Synthesis and catalytic applications of iron-palladium nanostructures. [Masters Thesis]. University of Alberta; 2012. Available from: https://era.library.ualberta.ca/files/f4752h733

Oregon State University

15. Moore, Kelley A. Dechlorination of p-chlorophenol on palladium based metal support catalyst.

Degree: MS, Chemical Engineering, 2000, Oregon State University

URL: http://hdl.handle.net/1957/28847

► Disposal of chlorinated hydrocarbons is a major environmental concern due to the lack of a satisfactory means of safe remediation at all contaminated locations. Current… (more)

Subjects/Keywords: Palladium catalysts

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APA (6^th Edition):

Moore, K. A. (2000). Dechlorination of p-chlorophenol on palladium based metal support catalyst. (Masters Thesis). Oregon State University. Retrieved from http://hdl.handle.net/1957/28847

Chicago Manual of Style (16^th Edition):

Moore, Kelley A. “Dechlorination of p-chlorophenol on palladium based metal support catalyst.” 2000. Masters Thesis, Oregon State University. Accessed March 02, 2021. http://hdl.handle.net/1957/28847.

MLA Handbook (7^th Edition):

Moore, Kelley A. “Dechlorination of p-chlorophenol on palladium based metal support catalyst.” 2000. Web. 02 Mar 2021.

Vancouver:

Moore KA. Dechlorination of p-chlorophenol on palladium based metal support catalyst. [Internet] [Masters thesis]. Oregon State University; 2000. [cited 2021 Mar 02]. Available from: http://hdl.handle.net/1957/28847.

Council of Science Editors:

Moore KA. Dechlorination of p-chlorophenol on palladium based metal support catalyst. [Masters Thesis]. Oregon State University; 2000. Available from: http://hdl.handle.net/1957/28847

16. Vanston, CR. Examination of catalytically relevant palladium `N`-Heterocyclic carbene complexes.

Degree: 2016, University of Tasmania

URL: https://eprints.utas.edu.au/23032/1/Vanston_whole_thesis.pdf

► Palladium complexes bearing N-heterocyclic carbene (NHC) ligands, and their applications in catalysis have remained topical in the literature for the past two decades. Their versatility… (more)

Subjects/Keywords: Palladium NHC X-ray diffraction

10 more images…

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APA (6^th Edition):

Vanston, C. (2016). Examination of catalytically relevant palladium `N`-Heterocyclic carbene complexes. (Thesis). University of Tasmania. Retrieved from https://eprints.utas.edu.au/23032/1/Vanston_whole_thesis.pdf

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Chicago Manual of Style (16^th Edition):

Vanston, CR. “Examination of catalytically relevant palladium `N`-Heterocyclic carbene complexes.” 2016. Thesis, University of Tasmania. Accessed March 02, 2021. https://eprints.utas.edu.au/23032/1/Vanston_whole_thesis.pdf.

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

MLA Handbook (7^th Edition):

Vanston, CR. “Examination of catalytically relevant palladium `N`-Heterocyclic carbene complexes.” 2016. Web. 02 Mar 2021.

Vancouver:

Vanston C. Examination of catalytically relevant palladium `N`-Heterocyclic carbene complexes. [Internet] [Thesis]. University of Tasmania; 2016. [cited 2021 Mar 02]. Available from: https://eprints.utas.edu.au/23032/1/Vanston_whole_thesis.pdf.

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Council of Science Editors:

Vanston C. Examination of catalytically relevant palladium `N`-Heterocyclic carbene complexes. [Thesis]. University of Tasmania; 2016. Available from: https://eprints.utas.edu.au/23032/1/Vanston_whole_thesis.pdf

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

University of Michigan

17. Peterson, Luke. New Developments in Heterocycle Synthesis: Applications of an Anti-Aminopalladation Mechanism.

Degree: PhD, Chemistry, 2017, University of Michigan

URL: http://hdl.handle.net/2027.42/138673

► Biologically active compounds, such as molecules isolated from natural sources like plants and marine sponges, have long been of interest to the synthetic chemistry community.… (more)

▼ Biologically active compounds, such as molecules isolated from natural sources like plants and marine sponges, have long been of interest to the synthetic chemistry community. Synthetic routes towards these biologically interesting compounds are constantly being sought after and improved upon by synthetic chemists, because efficient synthetic routes yield not only the compound in question in mass quantitites, but also allow for the formation of a library of compounds bearing small changes in structure that are not found in the originally isolated compound. These small changes can potentially have dramatic effects on the biological activity of the compounds in question. Nitrogen containing heterocycles appear in a wide variety of these aforementioned biologically active compounds, and for this reason have long been an attractive target to the synthetic community. Heterocyclic scaffolds such as substituted pyrrolidines are present in compounds that display a wide variety of biological activity, such as antifungal, antibiotic, and antitumor properties. Cyclic guanidines are also present in a large number of biologically interesting molecules, such as compounds that display antibiotic, immunosuppressive, and neurotoxic properties. While synthetic methodologies to access the scaffolds in question currently exist, the majority of them rely on preexisting substitution present in the substrate to afford the desired substituted products. This precludes the ability to rapidly synthesize a library of compounds with various substitution patterns that can then be assayed for changes in biological activity. The research described in this dissertation details the development of a methodology to synthesize substituted, nitrogen containing heterocycles in a palladium catalyzed, modular coupling reaction. Chapter 1 outlines the biological relevance of nitrogen containing heterocycles, and it details the previous efforts of the Wolfe group to synthesize the molecular scaffolds in question. Chapter 2 describes the synthesis of substituted pyrrolidines via a newly developed, anti-aminopalladation methodology. Substituted pyrrolidine products bearing previously unusable N-tosyl and N-trifluoroacetyl protecting groups were afforded in good yield. Chapters 3 and 4 detail the synthesis of substituted, cyclic guanidines from acyclic N-allyl guanidine substrates. Chapter 3 focuses on coupling said guanidine substrates with aryl halides/triflates, in which substrates bearing cleavable N-cyano and N-tosyl protecting groups were utilized. Finally, Chapter 4 describes the successful coupling of guanidine substrates bearing N-cyano and N-tosyl protectin groups with OBz-protected amine electrophiles in a variation on a 1,2-diamination reaction. Advisors/Committee Members: Wolfe, John P (committee member), Soellner, Matthew Bryan (committee member), Montgomery, John (committee member), Sanford, Melanie S (committee member).

Subjects/Keywords: Palladium Catalysis; Chemistry; Science

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APA (6^th Edition):

Peterson, L. (2017). New Developments in Heterocycle Synthesis: Applications of an Anti-Aminopalladation Mechanism. (Doctoral Dissertation). University of Michigan. Retrieved from http://hdl.handle.net/2027.42/138673

Chicago Manual of Style (16^th Edition):

Peterson, Luke. “New Developments in Heterocycle Synthesis: Applications of an Anti-Aminopalladation Mechanism.” 2017. Doctoral Dissertation, University of Michigan. Accessed March 02, 2021. http://hdl.handle.net/2027.42/138673.

MLA Handbook (7^th Edition):

Peterson, Luke. “New Developments in Heterocycle Synthesis: Applications of an Anti-Aminopalladation Mechanism.” 2017. Web. 02 Mar 2021.

Vancouver:

Peterson L. New Developments in Heterocycle Synthesis: Applications of an Anti-Aminopalladation Mechanism. [Internet] [Doctoral dissertation]. University of Michigan; 2017. [cited 2021 Mar 02]. Available from: http://hdl.handle.net/2027.42/138673.

Council of Science Editors:

Peterson L. New Developments in Heterocycle Synthesis: Applications of an Anti-Aminopalladation Mechanism. [Doctoral Dissertation]. University of Michigan; 2017. Available from: http://hdl.handle.net/2027.42/138673

University of Bristol

18. Glaisyer, Beth. The development of Pd(II)-catalysed C-H activation cascades for the synthesis of polyheterocycles.

Degree: PhD, 2020, University of Bristol

URL: http://hdl.handle.net/1983/fb29e716-9b23-4965-b181-c41feb18a24b

► A novel Pd(II)-catalysed C–H activation/aza-Wacker cascade sequence has been optimised for indoles bearing an N-tethered alkene and an N-acyl mesylamide group that serves dual purpose… (more)

Subjects/Keywords: Palladium; C-H Activation; Catalysis

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APA (6^th Edition):

Glaisyer, B. (2020). The development of Pd(II)-catalysed C-H activation cascades for the synthesis of polyheterocycles. (Doctoral Dissertation). University of Bristol. Retrieved from http://hdl.handle.net/1983/fb29e716-9b23-4965-b181-c41feb18a24b

Chicago Manual of Style (16^th Edition):

Glaisyer, Beth. “The development of Pd(II)-catalysed C-H activation cascades for the synthesis of polyheterocycles.” 2020. Doctoral Dissertation, University of Bristol. Accessed March 02, 2021. http://hdl.handle.net/1983/fb29e716-9b23-4965-b181-c41feb18a24b.

MLA Handbook (7^th Edition):

Glaisyer, Beth. “The development of Pd(II)-catalysed C-H activation cascades for the synthesis of polyheterocycles.” 2020. Web. 02 Mar 2021.

Vancouver:

Glaisyer B. The development of Pd(II)-catalysed C-H activation cascades for the synthesis of polyheterocycles. [Internet] [Doctoral dissertation]. University of Bristol; 2020. [cited 2021 Mar 02]. Available from: http://hdl.handle.net/1983/fb29e716-9b23-4965-b181-c41feb18a24b.

Council of Science Editors:

Glaisyer B. The development of Pd(II)-catalysed C-H activation cascades for the synthesis of polyheterocycles. [Doctoral Dissertation]. University of Bristol; 2020. Available from: http://hdl.handle.net/1983/fb29e716-9b23-4965-b181-c41feb18a24b

Nelson Mandela Metropolitan University

19. Gwicana, Sakumzi. Micellar-enhanced ultrafiltration of palladium and platinum anions.

Degree: MTech, Faculty of Science, 2007, Nelson Mandela Metropolitan University

URL: http://hdl.handle.net/10948/518

► The project was concerned with studying the capability of a micellar-enhanced ultrafiltration system (MEUF) to remove platinum group metal ions namely Pt (lV) and Pd… (more)

▼ The project was concerned with studying the capability of a micellar-enhanced ultrafiltration system (MEUF) to remove platinum group metal ions namely Pt (lV) and Pd (ll) chloro anions from aqueous industrial waste effluents. South Africa has the world’s largest reserves of platinum group metals (PGMs) and other valuable metals such as manganese, chrome ores, titanium minerals etc. which are required for new automotive and other technologies, including fuel cells, catalytic converters and lighter components. The consistent loss with the industrial waste stream and the toxicological effects of these precious metals led to the need to develop new and effective methods to recover them from industrial waste effluents. With such a wide variety of fields where these PGMs are used and the failure of the traditional techniques namely sedimentation, fermentation etc. to effectively reduce or recover these highly toxic and precious metal ions prior to discharging industrial waste effluents, it is necessary to explore other techniques such as membrane technology that can be used to recover these valuable species from industrial waste streams. The present study involved the use of a cationic surfactant, viz cetylpyridinium chloride, which was introduced into an aqueous solution containing palladium and platinum metal anions. The surfactant forms charged micelles above a certain critical concentration value. The metal anions adsorb onto the available oppositely charged sites on the micelle surfaces and are then able to be retained by a suitable membrane. Hollow fibre ultrafiltration membranes with the MWCO of +/- 10 kD and +/-30nm pore size were used as a filter component in this study. For this MEUF system to be effective, it was vital that the anionic metal ion species adsorbed sufficiently onto the available oppositely charged sites of the micelles and that the micelles were retained efficiently by the membrane. Results obtained during the investigation made it possible to make certain predictions about the micellisation process. It was also found that, it was not only the metal ion: surfactant (M:S) ratio that was critical, but the presence of other electrolytes in the aqueous stream proved to have a huge impact on the capability of the MEUF system. Findings of this research study showed that the MEUF system using cetylpyridinium chloride (CPC) can be used to recover or retain Pt (lV) and Pd (ll) anions from industrial waste effluents. It was also found that PtCl6 2-, due to its greater adsorption capabilities onto the micelle surface than PdCl4 2- or PdCl3(H2O)-, was preferentially retained in neutral medium. This may be exploited as a possible means of separating the two metal ions. The developed system offers the following advantages over some traditional and current methods: simplified unit operation line flow process, smaller amounts of chemical usage and no solid toxic sludge to be disposed of. Applications of this work could be of vital importance in catalytic converter recycling, especially in Port Elizabeth where… Advisors/Committee Members: Vorster, N M Dr.

Subjects/Keywords: Micelles; Ultrafiltration; Palladium catalysts

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APA (6^th Edition):

Gwicana, S. (2007). Micellar-enhanced ultrafiltration of palladium and platinum anions. (Masters Thesis). Nelson Mandela Metropolitan University. Retrieved from http://hdl.handle.net/10948/518

Chicago Manual of Style (16^th Edition):

Gwicana, Sakumzi. “Micellar-enhanced ultrafiltration of palladium and platinum anions.” 2007. Masters Thesis, Nelson Mandela Metropolitan University. Accessed March 02, 2021. http://hdl.handle.net/10948/518.

MLA Handbook (7^th Edition):

Gwicana, Sakumzi. “Micellar-enhanced ultrafiltration of palladium and platinum anions.” 2007. Web. 02 Mar 2021.

Vancouver:

Gwicana S. Micellar-enhanced ultrafiltration of palladium and platinum anions. [Internet] [Masters thesis]. Nelson Mandela Metropolitan University; 2007. [cited 2021 Mar 02]. Available from: http://hdl.handle.net/10948/518.

Council of Science Editors:

Gwicana S. Micellar-enhanced ultrafiltration of palladium and platinum anions. [Masters Thesis]. Nelson Mandela Metropolitan University; 2007. Available from: http://hdl.handle.net/10948/518

Texas A&M University

20. Huacuja, Rafael. Synthesis and Reactivity of Unusual Palladium (II) Complexes Supported by a Diarylamido/BIS(Phosphine) PNP Pincer Ligand.

Degree: PhD, Chemistry, 2014, Texas A&M University

URL: http://hdl.handle.net/1969.1/152457

► This dissertation discusses the synthesis and reactivity of divalent palladium complexes supported by diarylamido bis-phosphine pincer ligands (PNP). The PNP is a tridentate pincer type… (more)

▼ This dissertation discusses the synthesis and reactivity of divalent palladium complexes supported by diarylamido bis-phosphine pincer ligands (PNP). The PNP is a tridentate pincer type ligand which typically adopts meridional type coordination. The rigidity and tight coordination of the PNP ligand provides the unique opportunity to study the coordination of ligands such as O_(2) and C_(2)H_(4) to a single coordination site on palladium, or the reactivity of a single empty coordination site trans to a weak trans-influencing ligand such as diarylamido. Irradiation of [(^(F)PNP^(iPr))Pd-]_(2) under an atmosphere of dioxygen irreversibly produces a mixture of a monohapto palladium(II) superoxide ((^(F)PNP^(iPr))PdO_(2)) and a palladium µ-peroxide ([(^(F)PNP^(iPr))PdO-]_(2)). Under photolytic conditions these two complexes are in equilibrium with each other. (^(F)PNP^(iPr))PdO_(2), an open-shell paramagnetic species, was characterized by a combination of single-crystal X-ray crystallography, EPR, and ^(19)F NMR spectroscopies. In addition, irradiation of [(PNP)Pd-]_(2) under an atmosphere of C_(2)H_(4) produces a mixture of [(PNP)Pd-]_(2) and a ethylene-bridged dinuclear palladium complex ([(PNP)Pd-CH_(2)-]_(2)). If the ethylene headspace is removed, and [(PNP)Pd-CH_(2)-]_(2) is irradiated it is completely converted to [(PNP)Pd-]_(2). This suggests that in the presence of ethylene these two complexes are in photolytic equilibrium with each other. In addition, this dissertation will also discuss the synthesis and reactivity of [(PNPR)Pd]^(+) (R = ^(i)Pr, ^(t)Bu) cations. [(^(F)PNP^(iPr))Pd]^(+) cations are highly electrophilic complexes that are able to coordinate Lewis bases such as THF, H_(2)O, and even extremely poor Lewis bases such as toluene and benzene. In addition, irradiation of [(^(F)PNP^(iPr))Pd]^(+) cations in bromobenzene induces the abstraction of a bromine atom from bromobenzene, consistent with a metalloradical species. Addition of dioxygen to [(^(F)PNP^(iPr))Pd]^(+) cations generates a paramagnetic, cationic η^(1) superoxide. In non-halogenated arene solvents [(^(F)PNP^(iPr))Pd]^(+) cations undergo a highly unusual photo-induced isomerization of the isopropyl groups on the supporting phosphines to n-propyl. This unprecedented isomerization is believed to occur via C-P bond cleavage and is driven by the decrease in sterics around the metal, which allows for the facilitated coordination of the arene solvent. Advisors/Committee Members: Ozerov, Oleg V (advisor), Darensbourg , Donald J (committee member), Gladysz, John A (committee member).

Subjects/Keywords: Pincer ligand; divalent palladium complex

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APA (6^th Edition):

Huacuja, R. (2014). Synthesis and Reactivity of Unusual Palladium (II) Complexes Supported by a Diarylamido/BIS(Phosphine) PNP Pincer Ligand. (Doctoral Dissertation). Texas A&M University. Retrieved from http://hdl.handle.net/1969.1/152457

Chicago Manual of Style (16^th Edition):

Huacuja, Rafael. “Synthesis and Reactivity of Unusual Palladium (II) Complexes Supported by a Diarylamido/BIS(Phosphine) PNP Pincer Ligand.” 2014. Doctoral Dissertation, Texas A&M University. Accessed March 02, 2021. http://hdl.handle.net/1969.1/152457.

MLA Handbook (7^th Edition):

Huacuja, Rafael. “Synthesis and Reactivity of Unusual Palladium (II) Complexes Supported by a Diarylamido/BIS(Phosphine) PNP Pincer Ligand.” 2014. Web. 02 Mar 2021.

Vancouver:

Huacuja R. Synthesis and Reactivity of Unusual Palladium (II) Complexes Supported by a Diarylamido/BIS(Phosphine) PNP Pincer Ligand. [Internet] [Doctoral dissertation]. Texas A&M University; 2014. [cited 2021 Mar 02]. Available from: http://hdl.handle.net/1969.1/152457.

Council of Science Editors:

Huacuja R. Synthesis and Reactivity of Unusual Palladium (II) Complexes Supported by a Diarylamido/BIS(Phosphine) PNP Pincer Ligand. [Doctoral Dissertation]. Texas A&M University; 2014. Available from: http://hdl.handle.net/1969.1/152457

Penn State University

21. Senftle, Thomas Patrick. Development of Multi-scale Computational Methods for Modeling Phase Formation in Pd-Based Catalysts.

Degree: 2015, Penn State University

URL: https://submit-etda.libraries.psu.edu/catalog/26182

► In Pd/ceria catalysts, mixed Pd-Ce oxide formations at the cluster-support interface offer unique activity toward hydrocarbon activation. Both experimental and computational investigations in the literature… (more)

▼ In Pd/ceria catalysts, mixed Pd-Ce oxide formations at the cluster-support interface offer unique activity toward hydrocarbon activation. Both experimental and computational investigations in the literature suggest that unique Pd-O-Ce surface formations yield highly reactive sites on the catalyst surface. However, structural details and the corresponding reaction mechanisms governing the behavior of such sites are not well understood. As such, this dissertation employs Density Functional Theory (DFT) in tandem with classical ReaxFF modeling to determine the stability and activity of methane activation sites at the Pd/ceria interface. The ReaxFF interaction potential is used to investigate cluster-support interactions at length and time scales inaccessible to quantum methods. In particular, this dissertation develops a hybrid grand canonical Monte Carlo/molecular dynamics (GC-MC/MD) approach that is suited to assess oxide formation in regions where the Pd cluster contacts the underlying ceria support. When coupled with DFT, this multi-scale approach demonstrates that Pd atoms incorporated in the fluorite lattice structure of ceria alternate between Pd4+ and Pd2+ oxidation states during operation. In general, Pd4+ states are effective hydrocarbon activation sites, as the dissociative adsorption of the hydrocarbon reduces Pd4+ to its thermodynamically preferred Pd2+ state. Therefore, maximizing the number of transient Pd4+ states under operating conditions is essential for achieving optimal catalytic performance. The multi-scale simulation methodology developed and applied in this dissertation can evaluate the trade-off between stability and activity exhibited by Pd/CeO2, and can be readily extended to other catalytic systems. Advisors/Committee Members: Michael John Janik, Dissertation Advisor/Co-Advisor, Michael John Janik, Committee Chair/Co-Chair, Adrianus C Van Duin, Committee Chair/Co-Chair, Robert Martin Rioux Jr., Committee Member, Scott Thomas Milner, Committee Member.

Subjects/Keywords: Catalysis; DFT; ReaxFF; Palladium; Ceria

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APA (6^th Edition):

Senftle, T. P. (2015). Development of Multi-scale Computational Methods for Modeling Phase Formation in Pd-Based Catalysts. (Thesis). Penn State University. Retrieved from https://submit-etda.libraries.psu.edu/catalog/26182

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Chicago Manual of Style (16^th Edition):

Senftle, Thomas Patrick. “Development of Multi-scale Computational Methods for Modeling Phase Formation in Pd-Based Catalysts.” 2015. Thesis, Penn State University. Accessed March 02, 2021. https://submit-etda.libraries.psu.edu/catalog/26182.

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

MLA Handbook (7^th Edition):

Senftle, Thomas Patrick. “Development of Multi-scale Computational Methods for Modeling Phase Formation in Pd-Based Catalysts.” 2015. Web. 02 Mar 2021.

Vancouver:

Senftle TP. Development of Multi-scale Computational Methods for Modeling Phase Formation in Pd-Based Catalysts. [Internet] [Thesis]. Penn State University; 2015. [cited 2021 Mar 02]. Available from: https://submit-etda.libraries.psu.edu/catalog/26182.

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Council of Science Editors:

Senftle TP. Development of Multi-scale Computational Methods for Modeling Phase Formation in Pd-Based Catalysts. [Thesis]. Penn State University; 2015. Available from: https://submit-etda.libraries.psu.edu/catalog/26182

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

University of Waterloo

22. Goll, Julie Maria. Preparing and Tuning the Reactivity of Palladium Carbenes and an Unusual Catalytic Isomerization of Diphenylcyclopropanes.

Degree: 2007, University of Waterloo

URL: http://hdl.handle.net/10012/3318

► The preparation of palladium carbene intermediates from diphenylketene is proposed. Experiments to trap these intermediates with alkenes have been conducted and optimized, with cyclopropanes being… (more)

Subjects/Keywords: Palladium Carbenes

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APA (6^th Edition):

Goll, J. M. (2007). Preparing and Tuning the Reactivity of Palladium Carbenes and an Unusual Catalytic Isomerization of Diphenylcyclopropanes. (Thesis). University of Waterloo. Retrieved from http://hdl.handle.net/10012/3318

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Chicago Manual of Style (16^th Edition):

Goll, Julie Maria. “Preparing and Tuning the Reactivity of Palladium Carbenes and an Unusual Catalytic Isomerization of Diphenylcyclopropanes.” 2007. Thesis, University of Waterloo. Accessed March 02, 2021. http://hdl.handle.net/10012/3318.

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

MLA Handbook (7^th Edition):

Goll, Julie Maria. “Preparing and Tuning the Reactivity of Palladium Carbenes and an Unusual Catalytic Isomerization of Diphenylcyclopropanes.” 2007. Web. 02 Mar 2021.

Vancouver:

Goll JM. Preparing and Tuning the Reactivity of Palladium Carbenes and an Unusual Catalytic Isomerization of Diphenylcyclopropanes. [Internet] [Thesis]. University of Waterloo; 2007. [cited 2021 Mar 02]. Available from: http://hdl.handle.net/10012/3318.

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Council of Science Editors:

Goll JM. Preparing and Tuning the Reactivity of Palladium Carbenes and an Unusual Catalytic Isomerization of Diphenylcyclopropanes. [Thesis]. University of Waterloo; 2007. Available from: http://hdl.handle.net/10012/3318

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

University of Tasmania

23. Minchin, NJ. Some inorganic and organometallic chemistry of palladium (II) with pyridine based ligands.

Degree: 1987, University of Tasmania

URL: https://eprints.utas.edu.au/20921/7/Minchin_whole_thesis_ex_pub_mat.pdf ; https://eprints.utas.edu.au/20921/1/whole_MinchinNigelJohn1987_thesis.pdf

► This thesis describes the results of a study of inorganic and organometallic chemistry of palladium(II) with 2- and 2,6- disubstituted pyridine containing N-donor ligands. Ligands… (more)

Subjects/Keywords: Ligands; Palladium

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APA (6^th Edition):

Minchin, N. (1987). Some inorganic and organometallic chemistry of palladium (II) with pyridine based ligands. (Thesis). University of Tasmania. Retrieved from https://eprints.utas.edu.au/20921/7/Minchin_whole_thesis_ex_pub_mat.pdf ; https://eprints.utas.edu.au/20921/1/whole_MinchinNigelJohn1987_thesis.pdf

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Chicago Manual of Style (16^th Edition):

Minchin, NJ. “Some inorganic and organometallic chemistry of palladium (II) with pyridine based ligands.” 1987. Thesis, University of Tasmania. Accessed March 02, 2021. https://eprints.utas.edu.au/20921/7/Minchin_whole_thesis_ex_pub_mat.pdf ; https://eprints.utas.edu.au/20921/1/whole_MinchinNigelJohn1987_thesis.pdf.

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

MLA Handbook (7^th Edition):

Minchin, NJ. “Some inorganic and organometallic chemistry of palladium (II) with pyridine based ligands.” 1987. Web. 02 Mar 2021.

Vancouver:

Minchin N. Some inorganic and organometallic chemistry of palladium (II) with pyridine based ligands. [Internet] [Thesis]. University of Tasmania; 1987. [cited 2021 Mar 02]. Available from: https://eprints.utas.edu.au/20921/7/Minchin_whole_thesis_ex_pub_mat.pdf ; https://eprints.utas.edu.au/20921/1/whole_MinchinNigelJohn1987_thesis.pdf.

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Council of Science Editors:

Minchin N. Some inorganic and organometallic chemistry of palladium (II) with pyridine based ligands. [Thesis]. University of Tasmania; 1987. Available from: https://eprints.utas.edu.au/20921/7/Minchin_whole_thesis_ex_pub_mat.pdf ; https://eprints.utas.edu.au/20921/1/whole_MinchinNigelJohn1987_thesis.pdf

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

University of Johannesburg

24. Williams, Dennis Bradley Glen. Consecutive palladium-mediated reactions in the synthesis of some bicyclic systems.

Degree: 2014, University of Johannesburg

URL: http://hdl.handle.net/10210/9145

►

M.Sc. (Chemistry)

Palladium-mediated carbon-earbon (and carbon-heteroatom) bond formation! is to an increasing extent playing a vital role in synthetic organic chemistry. The chemistry is usually… (more)

Subjects/Keywords: Palladium; Organic compounds - Synthesis

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APA · Chicago · MLA · Vancouver · CSE | Export to Zotero / EndNote / Reference Manager

APA (6^th Edition):

Williams, D. B. G. (2014). Consecutive palladium-mediated reactions in the synthesis of some bicyclic systems. (Thesis). University of Johannesburg. Retrieved from http://hdl.handle.net/10210/9145

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Chicago Manual of Style (16^th Edition):

Williams, Dennis Bradley Glen. “Consecutive palladium-mediated reactions in the synthesis of some bicyclic systems.” 2014. Thesis, University of Johannesburg. Accessed March 02, 2021. http://hdl.handle.net/10210/9145.

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

MLA Handbook (7^th Edition):

Williams, Dennis Bradley Glen. “Consecutive palladium-mediated reactions in the synthesis of some bicyclic systems.” 2014. Web. 02 Mar 2021.

Vancouver:

Williams DBG. Consecutive palladium-mediated reactions in the synthesis of some bicyclic systems. [Internet] [Thesis]. University of Johannesburg; 2014. [cited 2021 Mar 02]. Available from: http://hdl.handle.net/10210/9145.

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Council of Science Editors:

Williams DBG. Consecutive palladium-mediated reactions in the synthesis of some bicyclic systems. [Thesis]. University of Johannesburg; 2014. Available from: http://hdl.handle.net/10210/9145

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

University of Johannesburg

25. Van der Westhuizen, Arnoux. Synthesis and evaluation of ferrocenylpyrazolyl and ferrocenylpyrazolyl-phosphine palladium and nickel complexes as ethylene oligomerization catalysts.

Degree: 2012, University of Johannesburg

URL: http://hdl.handle.net/10210/5035

►

M.Sc.

Several bis[1-ferrocenyl(ethyl)pyrazolyl palladium dichloro (complexes 1 and 3) and palladium chloromethyl complexes (complexes 2 and 4) have been synthesized by the reactions of 1-… (more)

▼

M.Sc.

Several bis[1-ferrocenyl(ethyl)pyrazolyl palladium dichloro (complexes 1 and 3) and palladium chloromethyl complexes (complexes 2 and 4) have been synthesized by the reactions of 1- ferrocenyl(ethyl)-1N-pyrazole and 1-ferrocenyl(ethyl)-1N-(3,5-dimethyl)pyrazole with [PdCl2(NCMe)2] and [PdClMe(cod)] respectively. Furthermore, a library of phosphorus^nitrogen (P^N) ferrocenyl(ethyl)-amine and -pyrazolyl ligands have been successfully synthesized using the well known Ugi amine (compound 5) as intermediate. 1- [2-{diphenylphosphino}ferrocenyl](ethyl)amine and 1-[{2-diphenylphosphino}ferrocenyl](ethyl)- pyrazolyl Ni(II) and Pd(II) complexes were synthesized by reacting 1-[2- {diphenylphosphino}ferrocenyl](ethyl)dimethylamine, 1-[2-{diphenylphosphino}ferrocenyl](ethyl)- 1N-pyrazole and 1-[2-{diphenylphosphino}ferrocenyl](ethyl)-1N-(3,5-dimethyl)pyrazole with [NiCl2•6H2O] (compounds 12 and 16), [NiBr2(DME)] (compounds 13, 17 and 19), [PdCl2(NCMe)2] (compounds 10, 14, and 18) and [PdClMe(cod)] (compounds 11 and 15), respectively. 1-[2- {Diphenylphosphino}ferrocenyl(ethyl)-1N-(3,5-dimethyl)pyrazole (compound 9) was synthesized by two distinct methodologies. In one method, 1-ferrocenyl(ethyl)dimethylamine was converted to 1-[2- {diphenylphosphino}ferrocenyl](ethyl)dimethylamine before it was subsequently reacted with 3,5- dimethylpyrazole to produce 1-[2-{diphenylphosphino}ferrocenyl(ethyl)-1N-(3,5-dimethyl)pyrazole. In the other method, 1-ferrocenyl(ethyl)-1N-(3,5-dimethyl)pyrazole was converted to 1-[2- {diphenylphosphino}ferrocenyl](ethyl)-1N-(3,5-dimethyl)pyrazole before the reaction with 3,5- dimethylpyrazole, producing 1-[2-{diphenylphosphino}ferrocenyl(ethyl)-1N-(3,5-dimethyl)pyrazole. These compounds synthesized via different methods as well as their palladium dichloro complexes show different structures in solution, but solid state structural analysis agrees on the same structure. The structural difference in solution is contributed to the high degree of flexibility at the stereogenic centre of the complex. The Ni(II) ferrocenyl phosphine complexes 12, 13, 16, 17 and 19 exist in equilibrium between diamagnetic square planar form and paramagnetic tetrahedral form. The tetrahedral geometry is xvi favoured over the square planar geometry, purely on steric grounds, but the square planar geometry occurs with d8 complexes because of the more favourable electronic situation of the complex. Activation of these P^N palladium and nickel ferrocenyl- amine and -pyrazolyl pre-catalysts 10, 12, 13, 14, 16, 17, 18a and 19 with EtAlCl2 results in the oligomerization of ethylene to C4 and C6 alkenes, followed by subsequent Friedel-Crafts alkylation of the toluene solvent. Moderate catalytic activities of up to 659 kg of alkylated toluene products.mol-1 Ni. h-1 were observed for catalyst 13 at 20 bar ethylene pressure. In general, the Ni(II) pre-catalysts were more active than the Pd(II) precatalyst.

Subjects/Keywords: Palladium compounds; Nickel compounds

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APA (6^th Edition):

Van der Westhuizen, A. (2012). Synthesis and evaluation of ferrocenylpyrazolyl and ferrocenylpyrazolyl-phosphine palladium and nickel complexes as ethylene oligomerization catalysts. (Thesis). University of Johannesburg. Retrieved from http://hdl.handle.net/10210/5035

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Chicago Manual of Style (16^th Edition):

Van der Westhuizen, Arnoux. “Synthesis and evaluation of ferrocenylpyrazolyl and ferrocenylpyrazolyl-phosphine palladium and nickel complexes as ethylene oligomerization catalysts.” 2012. Thesis, University of Johannesburg. Accessed March 02, 2021. http://hdl.handle.net/10210/5035.

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

MLA Handbook (7^th Edition):

Van der Westhuizen, Arnoux. “Synthesis and evaluation of ferrocenylpyrazolyl and ferrocenylpyrazolyl-phosphine palladium and nickel complexes as ethylene oligomerization catalysts.” 2012. Web. 02 Mar 2021.

Vancouver:

Van der Westhuizen A. Synthesis and evaluation of ferrocenylpyrazolyl and ferrocenylpyrazolyl-phosphine palladium and nickel complexes as ethylene oligomerization catalysts. [Internet] [Thesis]. University of Johannesburg; 2012. [cited 2021 Mar 02]. Available from: http://hdl.handle.net/10210/5035.

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Council of Science Editors:

Van der Westhuizen A. Synthesis and evaluation of ferrocenylpyrazolyl and ferrocenylpyrazolyl-phosphine palladium and nickel complexes as ethylene oligomerization catalysts. [Thesis]. University of Johannesburg; 2012. Available from: http://hdl.handle.net/10210/5035

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

University of Waikato

26. Jaine, Jacob Evan. A study on rhodium and palladium mixed-media sols .

Degree: 2011, University of Waikato

URL: http://hdl.handle.net/10289/5295

► Historically the majority of precious metal sols have been prepared in an aqueous medium, while a much smaller proportion have been prepared in various non‐aqueous… (more)

▼ Historically the majority of precious metal sols have been prepared in an aqueous medium, while a much smaller proportion have been prepared in various non‐aqueous solvents. Few however have been prepared in mixtures of the two, this paucity being the raison d’être of this study. The goal therefore was to perform a systematic investigation of the changes in the properties of rhodium and palladium sols generated in mixtures of water and another organic cosolvent across a range of volumetric compositions. Six cosolvents were investigated: methanol, dimethylsulfoxide, acetonitrile, N,N‐dimethylformamide, acetone, and tetrahydrofuran. To stabilise the resulting sols against aggregation four protecting agents were used: poly(vinyl pyrrolidone), poly(vinyl alcohol), poly(acrylic acid), and arabinogalactan, which was a newly‐available polysaccharide extracted from the Western Larch tree. To reduce the metals from their precursor salts, sodium borohydride and hydrazine hydrate were used. The resulting colloids were analysed by Transmission Electron Microscopy (TEM), Photon Correlation Spectroscopy (PCS) and Ultraviolet/Visible Spectrophotometry. The size of the primary particles in the resulting sols was shown by TEM to be inversely proportional to the proportion of cosolvent in which they were generated. A theory was postulated to account for these changes based on temporary stabilisation of the metal nuclei by adsorption of cosolvent molecules. The characteristics of the aggregates observed in the TEM micrographs were shown to be independent of the cosolvent proportion, changing progressively but unpredictably across the composition ranges studied for most systems. This behaviour was believed to be caused by changes in the conformations of the protecting agents, which depended nonlinearly on the composition of the dispersion medium in which they were used. The measurements collected in‐situ by both PCS and UV/Vis were considered to be good indicators of the levels of aggregation observed in the sols ex‐situ by TEM, with any disparities between the two sets of measurements rationalised with relative ease. PCS measurements gave average hydrodynamic diameters of approximately 20 nm – 80 nm for sols generated in purely aqueous dispersion media, depending on the metal and protecting agent used. Infrared spectra were collected of carbon monoxide adsorbed to the surface of the particles of the sols in mixed‐media to determine the effect of the cosolvent proportion on ν(CO)ads. Sols generated for the aforementioned work were found to be of insufficient density for this purpose, so a series of high‐density sols were synthesised especially. Adsorbed CO was successfully detected on rhodium sols in mixtures of water and either MeOH, DMF, DMSO or MeCN. In these cases υ(CO)ads and its intensity decreased as the cosolvent proportion was increased. This behaviour was rationalised by competitive adsorption of the cosolvent molecules onto the surface of the colloidal particles, precluding the adsorption of CO molecules. The consequent… Advisors/Committee Members: Mucalo, Michael R (advisor).

Subjects/Keywords: colloid; nanoparticle; sol; rhodium; palladium

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APA (6^th Edition):

Jaine, J. E. (2011). A study on rhodium and palladium mixed-media sols . (Masters Thesis). University of Waikato. Retrieved from http://hdl.handle.net/10289/5295

Chicago Manual of Style (16^th Edition):

Jaine, Jacob Evan. “A study on rhodium and palladium mixed-media sols .” 2011. Masters Thesis, University of Waikato. Accessed March 02, 2021. http://hdl.handle.net/10289/5295.

MLA Handbook (7^th Edition):

Jaine, Jacob Evan. “A study on rhodium and palladium mixed-media sols .” 2011. Web. 02 Mar 2021.

Vancouver:

Jaine JE. A study on rhodium and palladium mixed-media sols . [Internet] [Masters thesis]. University of Waikato; 2011. [cited 2021 Mar 02]. Available from: http://hdl.handle.net/10289/5295.

Council of Science Editors:

Jaine JE. A study on rhodium and palladium mixed-media sols . [Masters Thesis]. University of Waikato; 2011. Available from: http://hdl.handle.net/10289/5295

Université Catholique de Louvain

27. Zanti, Giuseppe. Etude théorique des clusters homo et bimétalliques Pd(n)Au(m) de faibles nucléarités (n + m < 20).

Degree: 2012, Université Catholique de Louvain

URL: http://hdl.handle.net/2078.1/108192

►

The research presented in this thesis describes the computational DFT study of homo and bimetallic Pd(n)Au(m) clusters of low nuclearities. Many studies on such species… (more)

▼

The research presented in this thesis describes the computational DFT study of homo and bimetallic Pd(n)Au(m) clusters of low nuclearities. Many studies on such species are already present in the literature but the originality of our approach rests on a detailed analysis of electronic structure. Thanks to these efforts, some answers and views have been brought to the many open questions that to day remain in this ﬁeld. The detailed electronic structure analysis has brought new features. The PdnAum clusters can be built step by step through simple concepts for chemists such as Lewis structures, resonance or hybridization. The Aum clusters have been described on basis of Au(2) dimeric units, which adjust themselves through donor-acceptor type interactions. This simpliﬁed model provides predictive information on the structural parameters as well as on the stability of these compounds. Introducing the back-bonding concept has highlighted the structural changes caused by the substitution of one Au atom by a Pd atom. The Pdn clusters, which are more difficult to describe due to the chemical inertness of Pd (saturated valence shell), have been built from sd1 hybrid orbitals, assuming overlap maximisation of the hybrids. Introduction of spin interactions brings an explanation to the increasing spin multiplicity observed for these clusters. Again, the most stable structures appear to be explained on the basis of smaller units (Pd(2), Pd(3)). The Pdn spin excess location was then used to predict the interaction with an Au atom, which bears an unpaired electron. Finally, all information collected after the study of pure completed by monosubstituted clusters has been used to understand the distribution of the various partners in mixed PdnAum clusters. Resulting properties exhibit a logical and almost continuous evolution with the size and composition of the cluster. In this way, clusters with Pd-rich compositions adopt three-dimensional structures closed to Pdn clusters while Au-rich compositions favour pseudo-planar conﬁgurations. The choice of geometric descriptors showed that the PdcoreAushell structures correspond to the most stable situation as the uniform distribution or the segregation of the two metals are less favoured. Another interesting point is the fact that the mixed clusters are characterized by a gain in stability compared to their pure clusters counterparts. The evolution of stability as a function of the composition suggests a parabolic behaviour where the synergic effect is maximized for median compositions (n ≈ m). In conclusion, although many issues remain in the broad area of metal clusters, this work lays down the foundation for future considerations. It has put forward an effective theoretical method guiding the analysis of such compounds and has shown the importance of a good understanding of the electronic structure in order to predict physico-chemical properties of these materials.

(CHIM 3) – UCL, 2012

Advisors/Committee Members: UCL - SST/IMCN/MOST - Molecules, Solids and Reactivity, Peeters, Daniel, Gaigneaux, Eric, Devillers, Michel, Gonze, Xavier, Ceulemans, Arnout, Maurel, François.

Subjects/Keywords: Clusters; Gold; Palladium; Electronic structure

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APA · Chicago · MLA · Vancouver · CSE | Export to Zotero / EndNote / Reference Manager

APA (6^th Edition):

Zanti, G. (2012). Etude théorique des clusters homo et bimétalliques Pd(n)Au(m) de faibles nucléarités (n + m < 20). (Thesis). Université Catholique de Louvain. Retrieved from http://hdl.handle.net/2078.1/108192

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Chicago Manual of Style (16^th Edition):

Zanti, Giuseppe. “Etude théorique des clusters homo et bimétalliques Pd(n)Au(m) de faibles nucléarités (n + m < 20).” 2012. Thesis, Université Catholique de Louvain. Accessed March 02, 2021. http://hdl.handle.net/2078.1/108192.

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

MLA Handbook (7^th Edition):

Zanti, Giuseppe. “Etude théorique des clusters homo et bimétalliques Pd(n)Au(m) de faibles nucléarités (n + m < 20).” 2012. Web. 02 Mar 2021.

Vancouver:

Zanti G. Etude théorique des clusters homo et bimétalliques Pd(n)Au(m) de faibles nucléarités (n + m < 20). [Internet] [Thesis]. Université Catholique de Louvain; 2012. [cited 2021 Mar 02]. Available from: http://hdl.handle.net/2078.1/108192.

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Council of Science Editors:

Zanti G. Etude théorique des clusters homo et bimétalliques Pd(n)Au(m) de faibles nucléarités (n + m < 20). [Thesis]. Université Catholique de Louvain; 2012. Available from: http://hdl.handle.net/2078.1/108192

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Université Catholique de Louvain

28. Meyer, Nathalie. Noble metal supported catalysts for lactose transformations in liquid phase.

Degree: 2014, Université Catholique de Louvain

URL: http://hdl.handle.net/2078.1/151944

►

Carbohydrates are an important source of renewable materials which can be converted into high added-value products. Sugar transformations should ideally be carried out with recyclable… (more)

Subjects/Keywords: Lactose; Boron nitride; Palladium; Selectivity

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APA · Chicago · MLA · Vancouver · CSE | Export to Zotero / EndNote / Reference Manager

APA (6^th Edition):

Meyer, N. (2014). Noble metal supported catalysts for lactose transformations in liquid phase. (Thesis). Université Catholique de Louvain. Retrieved from http://hdl.handle.net/2078.1/151944

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Chicago Manual of Style (16^th Edition):

Meyer, Nathalie. “Noble metal supported catalysts for lactose transformations in liquid phase.” 2014. Thesis, Université Catholique de Louvain. Accessed March 02, 2021. http://hdl.handle.net/2078.1/151944.

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

MLA Handbook (7^th Edition):

Meyer, Nathalie. “Noble metal supported catalysts for lactose transformations in liquid phase.” 2014. Web. 02 Mar 2021.

Vancouver:

Meyer N. Noble metal supported catalysts for lactose transformations in liquid phase. [Internet] [Thesis]. Université Catholique de Louvain; 2014. [cited 2021 Mar 02]. Available from: http://hdl.handle.net/2078.1/151944.

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Council of Science Editors:

Meyer N. Noble metal supported catalysts for lactose transformations in liquid phase. [Thesis]. Université Catholique de Louvain; 2014. Available from: http://hdl.handle.net/2078.1/151944

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Université Catholique de Louvain

29. Colla, Marie-Stéphane. Plasticity and creep in thin free-standing nanocrystalline Pd films.

Degree: 2014, Université Catholique de Louvain

URL: http://hdl.handle.net/2078.1/142828

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In the constant race towards miniaturization, the scientific community faces multiple challenges regarding the characterization and control of the mechanical performance and reliability of devices… (more)

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In the constant race towards miniaturization, the scientific community faces multiple challenges regarding the characterization and control of the mechanical performance and reliability of devices and materials at the smallest scales. Thin films are materials presenting one extremely reduced dimension, from a few microns down to a few nanometres. The reduced dimension proved to be at the origin of new and improved properties of thin films as compared with their bulk counterpart, as for instance an increased mechanical strength. But, other properties deteriorate with size reduction like ductility. The objective of this PhD thesis was to study the deformation and relaxation mechanisms in nanocrystalline palladium films of various thicknesses (between 80 and 500 nm) in relationship with the microstructure. The ambition was to characterize, understand, predict, and, finally, to propose routes to improve the mechanical properties. An on-chip microtensile testing approach was used for this purpose allowing the measurement of the response under uniaxial tension with or without relaxation. Coupled transmission electron microscopy studies have been performed in- or ex-situ to unravel the underlying mechanisms dictating the mechanical properties. The yield stress, the strain hardening, the ductility and the strain rate sensitivity parameters of Pd films with various configurations and deposition conditions (thickness, twin density, dislocation density, confinement, ageing, annealing) have been measured and related to the elementary deformation mechanisms. A semi-analytical grain aggregate model has been proposed to provide a quantitative link between the microstructure and properties. Finally, the effect of hydrogen on the mechanical response of the films has been explored.

(FSA - Sciences de l) – UCL, 2014

Advisors/Committee Members: UCL - SST/IMMC/IMAP - Materials and process engineering, UCL - Ecole Polytechnique de Louvain, Pardoen, Thomas, Raskin, Jean-Pierre, Winckelmans, Grégoire, Verdier, Marc, Schryvers, Dominique, Delannay, Laurent, Proost, Joris.

Subjects/Keywords: Thin films; Mechanical testing; Palladium

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APA · Chicago · MLA · Vancouver · CSE | Export to Zotero / EndNote / Reference Manager

APA (6^th Edition):

Colla, M. (2014). Plasticity and creep in thin free-standing nanocrystalline Pd films. (Thesis). Université Catholique de Louvain. Retrieved from http://hdl.handle.net/2078.1/142828

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Chicago Manual of Style (16^th Edition):

Colla, Marie-Stéphane. “Plasticity and creep in thin free-standing nanocrystalline Pd films.” 2014. Thesis, Université Catholique de Louvain. Accessed March 02, 2021. http://hdl.handle.net/2078.1/142828.

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

MLA Handbook (7^th Edition):

Colla, Marie-Stéphane. “Plasticity and creep in thin free-standing nanocrystalline Pd films.” 2014. Web. 02 Mar 2021.

Vancouver:

Colla M. Plasticity and creep in thin free-standing nanocrystalline Pd films. [Internet] [Thesis]. Université Catholique de Louvain; 2014. [cited 2021 Mar 02]. Available from: http://hdl.handle.net/2078.1/142828.

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Council of Science Editors:

Colla M. Plasticity and creep in thin free-standing nanocrystalline Pd films. [Thesis]. Université Catholique de Louvain; 2014. Available from: http://hdl.handle.net/2078.1/142828

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

University of Manchester

30. Nabeerasool, Mohammed Akmez. Evaluation of palladium optical coatings for hydrogen sensing.

Degree: PhD, 2012, University of Manchester

URL: https://www.research.manchester.ac.uk/portal/en/theses/evaluation-of-palladium-optical-coatings-for-hydrogen-sensing(aa9e8126-133b-48f4-b0da-82f10d02b6ee).html ; https://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.722271

► This thesis describes the development and characterisation of palladium optical coatings for hydrogen sensing. The main aim of the thesis was to optimise an optically… (more)

▼ This thesis describes the development and characterisation of palladium optical coatings for hydrogen sensing. The main aim of the thesis was to optimise an optically interrogated palladium coated substrate to detect hydrogen at concentrations less than 1% in humid conditions (50-80%). An optical set up was constructed to investigate the change in the coatings in transmission at 650 nm on exposure to varying hydrogen concentrations in dry and wet conditions. Three different optical substrates; Polymer Optical Fibre (POF), Polymethyl methacrylate (PMMA) and glass were evaluated to determine the best support for palladium; criteria of selection were based on hydrogen detection performance in dry and humid condition (50%). PMMA was shown to be the ideal support as effect of humidity on hydrogen detection was minimal. Palladium was deposited by sputter coating technique and the coating thickness demonstrates a dependence on the deposition time and position of the substrate inside the coating chamber. The coating developed showed a response time of 1s at 5%H2, a detection range of 0-9.1% with a demonstrated detection limit of 200 parts per million (ppm) and a predicted limit of detection of 15 ppm. The rate of hydrogen detection was proposed to be diffusion limited for coating thickness up to the threshold thickness. At thicknesses less than the threshold thickness, the rate limiting step was related to the binding force between the coating and the support. The coating performance was unaffected by cross sensitive gases such as hydrogen sulphide, carbon monoxide, methane and ethene. In the presence of Relative Humidity (50-80%), the coating reached a limit of detection at 0.1% H2. However, over exposure to humidity lead to temperature effect which was compensated using a temperature compensation model developed. The surface of the coating developed was characterised by Atomic Force Microscopy (AFM), X-Ray Diffraction (XRD) and X-Ray Photoelectron Spectroscopy (XPS) and revealed that the coating developed is unaffected by the tests carried out through the PhD.

Subjects/Keywords: 665.8; Hydrogen; Palladium; Optical; Sensor

Record Details Similar Records Cite « Share

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APA · Chicago · MLA · Vancouver · CSE | Export to Zotero / EndNote / Reference Manager

APA (6^th Edition):

Nabeerasool, M. A. (2012). Evaluation of palladium optical coatings for hydrogen sensing. (Doctoral Dissertation). University of Manchester. Retrieved from https://www.research.manchester.ac.uk/portal/en/theses/evaluation-of-palladium-optical-coatings-for-hydrogen-sensing(aa9e8126-133b-48f4-b0da-82f10d02b6ee).html ; https://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.722271

Chicago Manual of Style (16^th Edition):

Nabeerasool, Mohammed Akmez. “Evaluation of palladium optical coatings for hydrogen sensing.” 2012. Doctoral Dissertation, University of Manchester. Accessed March 02, 2021. https://www.research.manchester.ac.uk/portal/en/theses/evaluation-of-palladium-optical-coatings-for-hydrogen-sensing(aa9e8126-133b-48f4-b0da-82f10d02b6ee).html ; https://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.722271.

MLA Handbook (7^th Edition):

Nabeerasool, Mohammed Akmez. “Evaluation of palladium optical coatings for hydrogen sensing.” 2012. Web. 02 Mar 2021.

Vancouver:

Nabeerasool MA. Evaluation of palladium optical coatings for hydrogen sensing. [Internet] [Doctoral dissertation]. University of Manchester; 2012. [cited 2021 Mar 02]. Available from: https://www.research.manchester.ac.uk/portal/en/theses/evaluation-of-palladium-optical-coatings-for-hydrogen-sensing(aa9e8126-133b-48f4-b0da-82f10d02b6ee).html ; https://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.722271.

Council of Science Editors:

Nabeerasool MA. Evaluation of palladium optical coatings for hydrogen sensing. [Doctoral Dissertation]. University of Manchester; 2012. Available from: https://www.research.manchester.ac.uk/portal/en/theses/evaluation-of-palladium-optical-coatings-for-hydrogen-sensing(aa9e8126-133b-48f4-b0da-82f10d02b6ee).html ; https://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.722271

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Open Access Theses and Dissertations