Photoinduced Synthesis of 2-Trifluoromethylated Indoles through Oxidative Trifluoromethylation Using Langlois’ Reagent in the Absence of External Photocatalyst
Deepak K. Sharma, Samarpita Das, Harish K. Indurthi, Amita Kumari
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Abstract
Abstract A photoinduced approach for regioselective C-2 trifluoromethylation of indoles was achieved with CF3SO2Na under UV light irradiation (360–365 nm) at ambient conditions without any external photo activator. The key steps involve the in situ conversion of CF3SO2Na reagent to CF3 • radical under oxygen or air and UV irradiation. This proficient method has the advantages of mild reaction conditions, fair substrate tolerability, and gram scalability.
期刊介绍：
SYNTHESIS is an international full-paper journal devoted to the advancement of the science of chemical synthesis. It covers all fields of organic chemistry involving synthesis, including catalysis, organometallic, medicinal, biological, and photochemistry, but also related disciplines. SYNTHESIS provides dependable research results with detailed and reliable experimental procedures and full characterization of all important new products as well as scientific primary data.
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