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Synthesis and decarboxylative Wittig reaction of difluoromethylene phosphobetaine

Authors :
Yong Guo
Ji Cai
Jian Zheng
Ji-Chang Xiao
Jin-Hong Lin
Source :
Chemical communications (Cambridge, England). 49(68)
Publication Year :
2013

Abstract

A key intermediate, difluoromethylene phosphobetaine, in the Wittig reaction of ClCF2CO2Na–Ph3P with aldehydes was synthesized and characterized, which confirmed the reaction mechanism. The decarboxylation of this stable intermediate was a convenient approach for Wittig difluroolefination. Its reactivity could be adjusted by the modification of the substituent on the phosphorus.

Details

ISSN :
1364548X
Volume :
49
Issue :
68
Database :
OpenAIRE
Journal :
Chemical communications (Cambridge, England)
Accession number :
edsair.doi.dedup.....3ed310065c89b7dc9841c5a8acb54854