Abstract
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.
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.