Conversion between difluorocarbene and difluoromethylene ylide

J Zheng, JH Lin, J Cai, JC Xiao

文献索引：Zheng, Jian; Lin, Jin-Hong; Cai, Ji; Xiao, Ji-Chang Chemistry - A European Journal, 2013 , vol. 19, # 45 p. 15261 - 15266

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被引用次数: 34

摘要

Abstract The interconversion between difluoromethylene ylide and difluorocarbene is described. The difluoromethylene ylide precursor, Ph 3 P+ CF 2 CO 2−, could be turned into an efficient difluorocarbene reagent, whereas the classical difluorocarbene reagents, HCF 2 Cl and FSO 2 CF 2 CO 2 TMS, could generate highly reactive difluoromethylene ylide. Thus the Wittig difluoro-olefination and difluorocyclopropanation could be selectively realized ...