Organic Chemistry Seminar

Wednesday, September 16, 2020
12:00pm to 1:00pm
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Online Event
Twists and turns along the path of reactivity-driven methods development
Hosea Nelson, Assistant Professor, Department of Chemistry & Biochemistry, University of California Los Angeles,

This seminar will be held virtually on Zoom.

Carbocations are important reactive intermediates that are invoked in many chemical transformations. These species are usually of the tricoordinated variety. Conversely, dicoordinated carbocations are rarely relevant in practical chemical processes due to their high energy and energetically challenging formation. In this talk I will discuss our recent efforts to utilize phenyl and vinyl carbocations in C–H functionalization reactions. We will describe how these high-energy dicoordinated carbocations can be generated under mild conditions and utilized in the selective C–C bond forming reactions. Moreover, we will discuss our efforts to understand the mechanism of these reactions through computational chemistry, kinetics, electron microscopy, and isotopic labeling studies.

For more information, please contact Rena Becerra-Rasti; Annette Luymes by phone at x6151, x6016 or by email at rasti@caltech.edu; aluymes@caltech.edu.