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. 2010 Mar 14;46(10):1751-3.
doi: 10.1039/b915852a. Epub 2010 Jan 12.

Highly enantioselective Michael addition of cyclopentanone with chalcones via novel di-iminium mechanism

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Highly enantioselective Michael addition of cyclopentanone with chalcones via novel di-iminium mechanism

Junfeng Wang et al. Chem Commun (Camb). .

Abstract

The highly efficient asymmetric Michael addition reactions of cyclopentanone with chalcones were catalyzed by a simple and commercially available chiral 1,2-diaminocyclohexane-hexanedioic acid, and exhibited good yields (up to 92%) and excellent enantioselectivities (up to 99% ee). A new di-iminium mechanism for the reaction was proposed.

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