A Ritter-Type Route to N-Benzylamides by Multicomponent Reaction Based on p-(Trifluoromethyl)- p-quinols
Chengjie Feng1, Yifei Li1, Xinyao Sheng1
1Jilin Province Key Laboratory of Organic Functional Molecular Design & Synthesis, Department of Chemistry , Northeast Normal University , Changchun 130024 , China.
Abstract:
A novel multicomponent reaction of p-(trifluoromethyl)- p-quinolsilyl ethers, ketones, and nitriles was developed for the efficient synthesis of p-trifluoromethylated N-benzylamides. The key step of the reaction involves the formation of an unstable condensation precursor in situ generated form the condensation of p-(trifluoromethyl)- p-quinolsilyl ethers with ketones. This work provides a significant expansion to the Ritter-type reaction, and the reaction can proceed under mild reaction conditions and tolerate various nitriles including both aryl and aliphatic nitriles.
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