Journal of fluorine chemistry

Reactions of some nitrogen heterocycles with chlorodifluoromethane under conditions of phase-transfer catalysis

A Jończyk, E Nawrot, M Kisielewski

Index: Jonczyk, Andrzej; Nawrot, Ewelina; Kisielewski, Michal Journal of Fluorine Chemistry, 2005 , vol. 126, # 11-12 p. 1587 - 1591

Full Text: HTML

Citation Number: 17

Abstract

Aromatic heterocyclic compounds containing one to four nitrogen atoms react with chlorodifluoromethane in the presence of concentrated aqueous sodium hydroxide and a catalyst, benzyltriethylammonium chloride (TEBAC) in dichloromethane or THF (phase- transfer catalysis, PTC) with formation of N-difluoromethyl substituted derivatives. The process takes place by reaction of N-anions from these heterocycles with difluorocarbene ...