Mechanism and Origin of the Stereoselectivity in the Palladium-Catalyzed trans Hydroboration of Internal 1,3-Enynes with an Azaborine-Based Phosphine Ligand.

Abstract

An azaborine-based phosphine-Pd catalyst was introduced by the Liu group to promote trans hydroboration of the C≡C triple bond of internal 1,3-enyne substrates. Despite the excellent yield and selectivity observed experimentally, the mechanism and the origin of this special trans selectivity remained unknown. Herein, a comprehensive theoretical… (More)
DOI: 10.1002/chem.201704035

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