Chiral Phosphine-Catalyzed Enantioselective [3 + 2] Annulation of Morita?Baylis?Hillman Carbonates with Cyclic 1-Azadienes: Facile Synthesis of Functionalized Cyclopentenes
首发时间:2016-05-23
Abstract:With the use of a bifunctional chiral phosphine as the catalyst, asymmetric [3 + 2] annulation of Morita?Baylis?Hillman carbonates with cyclic 1-azadienes proceeded smoothly under mild conditions to give various enantiomerically enriched cyclopentene derivatives bearing three consecutive tertiary stereocenters and sulfamate moiety in moderate to excellent yields with moderate to excellent enantioselectivities and excellent diastereoselectivities.
keywords: phosphine annulation MBH carbonates cyclic 1-azadienes catalysis
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No.4687902113756514****
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