Chemo- and regioselective preparation of zinc enolate from thiol esters by palladium catalyzed cross-coupling reaction

Add time:07/11/2019    Source:sciencedirect.com

The palladium catalyzed cross-coupling reaction of thiol esters with bis(iodozincio)methane or 1,1-bis(iodozincio)ethane gave Reformatsky-type enolates. They can react with some electrophiles to give the corresponding adducts and were also trapped by silylation reagents to afford silyl enol ethers. As the method applicable to the thiol ester carrying ketone moiety, it afforded zinc enolates carrying ketone in the same molecule.

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