Copper-mediated trifluoromethylation of 5-iodotriazole with (trifluoromethyl)trimethylsilane promoted by silver carbonate
摘要:
A novel and mild method for copper-mediated trifluoromethylation of 5-iodotriazole using (trifluoromethyl)trimethylsilane (Me3SiCF3) as trifluoromethylating reagent with the assistance of Ag2CO3 was developed. (C) 2013 Elsevier B.V. All rights reserved.
Bench-Stable 5-Stannyl Triazoles by a Copper(I)-Catalyzed Interrupted Click Reaction: Bridge to Trifluoromethyltriazoles and Trifluoromethylthiotriazoles
Metalated triazoles are the key reactive intermediate of the current clickreaction (CuAAC). Bench-stable 5-stannyl triazoles are obtained by a copper-catalyzed interruptedclickreaction of easily available terminal alkynes. Subsequent palladium-catalyzed cross-coupling reactions, electrophilic trifluoromethylthiolation and trifluoromethylation, generate diverse 1,4,5-trisubstituted triazoles efficiently