Palladium-Catalyzed Reductive Cross-Coupling of Propargyl Acetates with Aryl Iodides Involving the Insertion of SO2
An efficient palladium-catalyzed reductive cross-coupling of propargyl acetates with aryl iodides involving the insertion of sulfur dioxide has been reported.This method employs l,4-diazoniabicyclo[2.2.2]octane-1,4-disulfinate(DABSO)as SO2 surrogate,reductive manganese powder as reductant,and features mild reaction conditions,broad substrate scope and good functional group tolerance.
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