Palladium-catalyzed difluoromethylation of heteroaryl chlorides, bromides and iodides?

Chemical Science Pub Date: 2017-04-24 DOI: 10.1039/C7SC00691H

Abstract

A palladium-catalyzed difluoromethylation of a series of heteroaryl chlorides, bromides and iodides under mild conditions is described. A wide range of heteroaryl halides such as pyridyl, pyrimidyl, pyrazyl, funanyl, thienyl, pyazolyl, imidazolyl, thiazolyl, and oxazolyl halides were efficiently difluoromethylated, thus providing medicinal chemists an alternative choice for the preparation of drug candidates with the difluoromethylated heteroarene unit.

Graphical abstract: Palladium-catalyzed difluoromethylation of heteroaryl chlorides, bromides and iodides
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