Geminal Silicon/Zinc Reagent as an Equivalent of Difluoromethylene Bis-carbanion
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资源简介：
A new difluorinated reagent, [difluoro(trimethylsilyl)methyl]zinc bromide, bearing C–Zn and C–Si bonds is described. The reagent is conveniently prepared by cobalt-catalyzed halogen/zinc exchange. It can be coupled with two different C-electrophiles in a stepwise manner (with allylic halides for C–Zn bond and aldehydes for C–Si bond) affording products containing a difluoromethylene fragment.
创建时间：
2016-02-18
