Synthesis of 3-Sulfonyl Indenones via Copper-Catalyzed Redox-Neutral Coupling Reaction

摘要

In contrast to C-C bond cleavage of cyclic oxime esters,the corresponding coupling reaction without ring-opening are less explored.In this context,we report an unprecedented method for the synthesis of 3-sulfonyl indenones via copper-catalyzed redox-neutral coupling reaction of indanone derivatives with sodium sulfinates.This approach provides an efficient approach to 3-sulfonyl indenones from readily available indanone derivatives without any ligands and external oxidants.