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METALORGANOCATALYSIS FOR ASYMMETRIC TRANSFORMATIONS
METALORGANOCATALYSIS FOR ASYMMETRIC TRANSFORMATIONS
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机译:非对称转化的金属有机催化
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摘要
To provide ligands and catalysts prepared from the ligands significantly improved in conversion and selectivity in comparison with conventional metal catalysts and organocatalysts.SOLUTION: A ligand has the structure in the figure or its enantiomer. In the formula: R, R, Rand Rare selected from alkyl, cycloalkyl, and aryl; the crosslinking group is selected from CHNH,CH(CH)NH(C,R), andCH(CH)NH(C,S); and the organocatalyst is an organic molecule catalyst covalently bound to the crosslinking group. Further provided is a catalyst where a metal selected from among Rh, Pd, Cu and the like is coordinated to a phosphorus atom of the ligand.SELECTED DRAWING: None
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