Enantioselective palladium-catalyzed diarylation of unactivated alkenes.

Enantioselective Pd-catalyzed diarylation of unactivated alkenes between arenediazonium salts and arylboronic acids has been developed. This method provides an efficient route to dihydrobenzofurans with all-carbon quaternary centers in good yields with 88-99% ee. This reaction proceeding under mild and open-flask conditions is compatible with a variety of functional groups, including cyano, ketone, ester, amide, bromine and free hydroxyl groups.

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