Palladium-Catalyzed Addition/Cyclization of (2-Hydroxyaryl)boronic Acids with Alkynylphosphonates: Access to Phosphacoumarins.
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DOI: 10.1021/acs.orglett.0c03151
Abstract: A facile palladium-catalyzed addition/cyclization of (2-hydroxyaryl)boronic acids with alkynylphosphonates has been developed, providing an effective strategy to construct a series of valuable phosphacoumarins. This methodology features excellent regioselectivity and broad substrate tolerance. read more here.
Keywords: cyclization hydroxyaryl; boronic acids; catalyzed addition; palladium catalyzed ... See more keywords