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Issue 64, 2012
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Catalytic asymmetric Mannich-type reactions of α-cyano α-sulfonyl carbanions

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Abstract

An efficient asymmetric Mannich-type reaction of α-cyano α-sulfonyl carbanions has been achieved by exploiting the structural modularity and anion-recognition ability of chiral 1,2,3-triazolium ions. This protocol has proven to be applicable to a variety of N-Boc imines and cyanosulfones, affording β-amino α-cyanosulfones in excellent yields with high stereoselectivities.

Graphical abstract: Catalytic asymmetric Mannich-type reactions of α-cyano α-sulfonyl carbanions

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Publication details

The article was received on 03 Apr 2012, accepted on 16 May 2012 and first published on 16 May 2012


Article type: Communication
DOI: 10.1039/C2CC32398B
Citation: Chem. Commun., 2012,48, 7913-7915
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    Catalytic asymmetric Mannich-type reactions of α-cyano α-sulfonyl carbanions

    K. Ohmatsu, A. Goto and T. Ooi, Chem. Commun., 2012, 48, 7913
    DOI: 10.1039/C2CC32398B

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