Continuous Flow Synthesis of α-Trifluoromethylthiolated Esters and Amides from Carboxylic Acids: a Telescoped Approach.

ABSTRACT: A continuous flow approach to access α-trifluoromethylthiolated esters and amides using commercially available arylacetic acids and N-(trifluoromethylthio)phthalimide as the electrophilic reagent is described. The experimental protocol involves the in-flow conversion of the carboxylic acid into N-acylpyrazole followed by the α-trifluoromethylthiolation in a PTFE coil reactor and final reaction with primary or secondary amines, or alcohols, to afford in a telescoped process α-substituted SCF₃ amides and esters, respectively, in good overall yield and short reaction times.

SUBMITTER: Franco F 

PROVIDER: S-EPMC8524418 | biostudies-literature | 2021 Oct

REPOSITORIES: biostudies-literature