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À propos de : anti-Selective Direct Asymmetric Mannich Reactions Catalyzed by AxiallyChiral Amino Sulfonamide as an Organocatalyst        

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  • anti-Selective Direct Asymmetric Mannich Reactions Catalyzed by AxiallyChiral Amino Sulfonamide as an Organocatalyst
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  • A direct asymmetric Mannich reaction using a novel axially chiral amino trifluoromethanesulfonamide (S)-3 has been developed in highly anti-selective and enantioselective manners. Thus, in the presence of a catalytic amount of (S)-3, the reactions between aldehydes and the α-imino ester 4 proceed smoothly to give the functional β-amino aldehydes with significantly higher anti/syn ratio and enantioselectivity than previously possible.
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