首页|Nickel-Catalyzed Regio-and Stereoselective Defluorinative Arylation of gem-Difluorinated Cyclopropanes
Nickel-Catalyzed Regio-and Stereoselective Defluorinative Arylation of gem-Difluorinated Cyclopropanes
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Herein,we report nickel-catalyzed cross-coupling of gem-difluorinated cyclopropanes with boronic acids,providing the corresponding arylated 2-fluoroallylic scaffolds.This approach used commercially available phosphine ligand Xantphos to obtain monofluorinated al-kenes with high regioselectivity and Z-stereoselectivity Mechanistic studies proposed a Ni(Ⅱ)-fluoroallyl pathway and excluded the radical pathway.Meanwhile,DFT study of the reductive elimination clarified the origin of the high linear selectivity.