Mechanism and Stereoselectivity of Asymmetric Hydrogenation

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阅读量:

77

作者:

HalpernJ.

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摘要:

Rhodium complexes containing chiral phosphine ligands catalyze the hydrogenation of olefinic substrates such as α-aminoacrylic acid derivatives, producing chiral products with very high optical yields. Elucidation of the mechanisms of such reactions leads to the conclusion that the stereoselection is dictated not by the preferred initial binding of the substrate to the chiral catalyst, but rather by the much higher reactivity of the minor diastereomer of the catalyst-substrate adduct corresponding to the less favored binding mode.

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DOI:

10.1126/science.217.4558.401

被引量:

669

年份:

1982

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2010
被引量:58

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