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Georgia Tech

1. Daugherty, Nicholas Tye. Synthesis, structure, and reactivity studies of ketenylidene, carbide, carbynoid, carbenoid, and tetrazolyl complexes of gold.

Degree: PhD, Chemistry and Biochemistry, 2018, Georgia Tech

Chapter 1 gives a brief introduction to the topic of main group element bridged gold(I) clusters, the effects of aurophilic attraction on gold(I) cluster formation, and gold(I) carbene chemistry. An isolobal analogy is drawn between carbonate, triaryl carbeniums, gold(I) diaryl carbenes, and trigold(I) carbido cations. Chapter 2 describes the synthesis of a trigold(I) ketenylidene cation with an unexpectedly strong Au3C-CO bond. Ketene transfer reactivity is also described. Chapter 3 describes the reactivity of NHC-supported gold(I) (trimethylsilyl)diazomethyl complexes to form solvent adducts of digold(I) trimethylsilyl(methylidyne), digold(I) methylidyne, and trigold(I) carbido cations. A gold(I) methoxymethyl complex was also formed. The pyridine adduct of the trigold(I) carbido cation exhibited electrophilic reactivity toward CO to form a trigold(I) ketenylidene cation. Trapping experiments suggest the transient formation of a free trigold(I) carbido cation in non-coordinating solvents. Chapter 4 describes the auration of tetrazole to form an isomeric mixture of 1-auro(tetrazolate) and 2-auro(tetrazolate). Addition of a gold(I) triflate to the mixture affords a fluxional cationic N,N'-diauro(tetrazolate). 1,3-Dipolar cycloaddition of a terminal gold(I) azide with acetonitrile-d3 to form a 1-auro(5-methyltetrazolate)-¬d3 is also described. Chapter 5 recounts the conclusions drawn in chapters 2-4. Advisors/Committee Members: Sadighi, Joseph P. (advisor), Wilkinson, Angus P. (committee member), Soper, Jake D. (committee member), Zhang, Z. John (committee member), Sievers, Carsten (committee member), Jones, Christopher W. (committee member).

Subjects/Keywords: Gold; Ketenylidene; Carbide; Carbido; Carbynoid; Carbyne; Carbenoid; Carbene; Tetrazolyl; Tetrazolate; Cluster; Trigold; Triaurated; Digold; Diaurated; N-heterocyclic carbene

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

APA (6th Edition):

Daugherty, N. T. (2018). Synthesis, structure, and reactivity studies of ketenylidene, carbide, carbynoid, carbenoid, and tetrazolyl complexes of gold. (Doctoral Dissertation). Georgia Tech. Retrieved from http://hdl.handle.net/1853/60239

Chicago Manual of Style (16th Edition):

Daugherty, Nicholas Tye. “Synthesis, structure, and reactivity studies of ketenylidene, carbide, carbynoid, carbenoid, and tetrazolyl complexes of gold.” 2018. Doctoral Dissertation, Georgia Tech. Accessed October 21, 2019. http://hdl.handle.net/1853/60239.

MLA Handbook (7th Edition):

Daugherty, Nicholas Tye. “Synthesis, structure, and reactivity studies of ketenylidene, carbide, carbynoid, carbenoid, and tetrazolyl complexes of gold.” 2018. Web. 21 Oct 2019.

Vancouver:

Daugherty NT. Synthesis, structure, and reactivity studies of ketenylidene, carbide, carbynoid, carbenoid, and tetrazolyl complexes of gold. [Internet] [Doctoral dissertation]. Georgia Tech; 2018. [cited 2019 Oct 21]. Available from: http://hdl.handle.net/1853/60239.

Council of Science Editors:

Daugherty NT. Synthesis, structure, and reactivity studies of ketenylidene, carbide, carbynoid, carbenoid, and tetrazolyl complexes of gold. [Doctoral Dissertation]. Georgia Tech; 2018. Available from: http://hdl.handle.net/1853/60239

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