Site-Selective Trifluoroacetylation of Dimethylamino-Substituted Pyridines and Its Use as a Building Block for Trifluoromethyl-Containing Heterocycles

Abstract

Trifluoroacetyl pyridine derivatives are conveniently prepared and applied to the synthesis of trifluoromethyl-substituted pyrazolo[4, 3-c]pyridine derivatives.