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Issue 13, 2011
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Dynamic kinetic resolution in the stereoselective synthesis of 4,5-diaryl cyclic sulfamidates by using chiral rhodium-catalyzed asymmetric transfer hydrogenation

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Abstract

The dynamic kinetic resolution of 4,5-diaryl cyclic sulfamidate imines was achieved via asymmetric transfer hydrogenation using a HCO2H/Et3N mixture as the hydrogen source and chiral Rh catalysts (R,R)- or (S,S)-RhCl(TsDPEN)Cp* affording the corresponding cyclic sulfamidates in good yields with up to >20 ∶ 1 dr and up to >99% ee.

Graphical abstract: Dynamic kinetic resolution in the stereoselective synthesis of 4,5-diaryl cyclic sulfamidates by using chiral rhodium-catalyzed asymmetric transfer hydrogenation

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Publication details

The article was received on 30 Nov 2010, accepted on 31 Jan 2011 and first published on 18 Feb 2011


Article type: Communication
DOI: 10.1039/C0CC05289B
Citation: Chem. Commun., 2011,47, 4004-4006
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    Dynamic kinetic resolution in the stereoselective synthesis of 4,5-diaryl cyclic sulfamidates by using chiral rhodium-catalyzed asymmetric transfer hydrogenation

    J. Han, S. Kang and H. Lee, Chem. Commun., 2011, 47, 4004
    DOI: 10.1039/C0CC05289B

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