Generation and cycloadditions of azirinium difluoromethanides—strained azomethine ylides
作者:Alexander F. Khlebnikov、Mikhail S. Novikov、Amer A. Amer
DOI:10.1016/s0040-4039(02)02076-2
日期:2002.11
The reaction of 3-aryl-2H-azirines with difluorocarbene involves the formation of azirinium difluoromethanides-the first strained azomethine ylides which undergo 1,3-dipolar cycloaddition with dimethyl acetylenedicarboxylate, giving rise to fluorinated fused azirinopyrrole derivatives. (C) 2002 Elsevier Science Ltd. All rights reserved.