Abstract
AbstractEfficient access to enantioenriched cyclic homopropargylic alcohols through an unprecedented cobalt-catalyzed asymmetric alkynylation of oxabicyclic alkenes has been developed. By using inexpensive cobalt salt/chiral bisphosphine ligand as the catalyst and easy-to-handle potassium alkynyltrifluoroborates as the nucleophile, synthetically valuable homopropargylic alcohols are obtained in moderate to good yields and high enantioselectivities.
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