Author

Lin Ju

Date of Graduation

2015

Document Type

Thesis

Degree Type

MS

College

Eberly College of Arts and Sciences

Department

Chemistry

Committee Chair

Jessica Hoover

Committee Co-Chair

Jessica Hoover

Committee Member

Carsten Milsmann

Committee Member

Bjorn Soderberg

Abstract

Compared with the prefunctionalized substrates in traditional cross-coupling reactions, carboxylic acid derivatives are easier to handle and commercially available in a broad scope, making them ideal starting materials to build biaryl structures. Copper has been demonstrated to decarboxylate carboxylic acids. There are also several examples of copper-mediated oxidative coupling reactions with two nucleophilic components. However, the copper-mediated direct C-H trifluoromethylation and arylation of heteroarenes with trifluoroacetic acid and benzoic acids is still challenging.;This thesis is divided into three chapters. Chapter I and Chapter II will describe copper-mediated oxidative decarboxylative trifluoromethylation of C-H bonds, including heteroarenes and arenes bearing a directing group, with trifluoroacetic acid as the trifluoromethylating reagent. Chapter III will focus on the catalytic synthesis of biaryl structures by copper-catalyzed decarboxylative cross-coupling with benzoic acids and benzoxazoles.

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