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Colorado State University

1. Ruhl, Kyle E. The development and applications of light-gated cobalt catalysis.

Degree: PhD, Chemistry, 2017, Colorado State University

Transition metals are an important natural resource and an essential component of many industrial processes and applications. Examples of these include air-quality control, electronics manufacture, agriculture, pharmaceuticals, and petro-chemistry. Within the field of synthetic chemistry, transition metal catalysts minimize waste, decrease expense, and enable rapid construction of small molecules. Over the past decade, transition-metal-based polypyridyl complexes have been the cornerstone of photo-redox catalysis which facilitate electron transfer and allow synthetic chemists to functionalize inert functionalities using visible-light energy. The first chapter of this work introduces rhodium- and cobalt-catalyzed [2+2+2] cycloadditions as well as photo-redox catalysis. The following chapter covers our group's progress toward the merger of photo-redox and cobalt catalysis as well as the multi-disciplinary approach we have used to understand mechanism. The third chapter explores light-gated catalysis and its importance for spatially and temporally resolved methods. Finally, the fourth chapter focuses on the applications of light-gated cobalt catalysis. We have found a light-gated cobalt catalyst to temporally control the [2+2+2] cycloaddition, and when combined with photolithography, enable a spatially resolved method for arene formation. Advisors/Committee Members: Rovis, Tomislav (advisor), McNally, Andrew (committee member), Neilson, James R. (committee member), Kipper, Matthew J. (committee member).

Subjects/Keywords: Cobalt; Light; Catalysis; Photoredox; Gated

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

APA (6th Edition):

Ruhl, K. E. (2017). The development and applications of light-gated cobalt catalysis. (Doctoral Dissertation). Colorado State University. Retrieved from http://hdl.handle.net/10217/181308

Chicago Manual of Style (16th Edition):

Ruhl, Kyle E. “The development and applications of light-gated cobalt catalysis.” 2017. Doctoral Dissertation, Colorado State University. Accessed December 17, 2017. http://hdl.handle.net/10217/181308.

MLA Handbook (7th Edition):

Ruhl, Kyle E. “The development and applications of light-gated cobalt catalysis.” 2017. Web. 17 Dec 2017.

Vancouver:

Ruhl KE. The development and applications of light-gated cobalt catalysis. [Internet] [Doctoral dissertation]. Colorado State University; 2017. [cited 2017 Dec 17]. Available from: http://hdl.handle.net/10217/181308.

Council of Science Editors:

Ruhl KE. The development and applications of light-gated cobalt catalysis. [Doctoral Dissertation]. Colorado State University; 2017. Available from: http://hdl.handle.net/10217/181308

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