Synthesis of 4-trifluoromethyl-2H-chromenesviathe reaction of 2-(trifluoroacetyl)phenols with vinyltriphenylphosphonium chloride

Abstract

Substituted on the benzene ring 4-CF3-2H-chromenes have been prepared from substituted 2-(trifluoroacetyl)phenols and vinyltriphenylphosphonium chloride according to the Schweizer protocol in moderate to excellent yields. The influence of the type...