Stereospecific synthesis of (E)- and (Z)-1-chloro-1,2-difluorostyrenes☆

Add time:09/08/2019    Source:sciencedirect.com

(Z)-2-chloro-1,2-difluoro-1-iodoethene and (E)-2-chloro-1,2-difluoro-1-iodoethene successfully form stable zinc reagents. The zinc reagents successfully undergo Negishi coupling reactions with substituted aryl iodides to form (E)- and (Z)-1-chloro-1,2-difluorostyrenes.

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