A new addition-carbocyclization cascade reaction initiated by arylboronic acids and catalyzed by a rhodium/chiral diene complex is described. Starting from N-bridged oxoenoate derivatives, highly functionalized piperidines bearing three contiguous stereogenic centers were obtained with excellent enantio- and diastereoselectivities.
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Access to Polyfunctionalized Chiral Piperidines through Enantioselective Addition-Carbocyclization Cascade Reaction Catalyzed by a Rhodium(I)-Diene Complex.
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