Angewandte Chemie International Edition · 2005 · 1.3K citations · 34 references
Natural SciencesChemistryCatalysisOrganic ChemistryOrganometallic ChemistryAddition ReactionsOrganic Synthesis1, 4-AdditionOrganocatalysis
The direct, catalytic, asymmetric Michael addition of aldehydes to nitroolefins in the presence of a chiral diphenylprolinol silyl ether organocatalyst is described (see scheme). The desired 1,4-addition products were obtained in nearly optically pure form in good yield with high syn diastereoselectivity. TMS=trimethylsilyl.
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