摘要：

Asymmetric hydrogenation of prochiral N-arylketimines to give optically active secondary amines at a temperature of -20° to 80° C., a hydrogen pressure of 10to 6.10Pa with the addition of catalytic amounts of an iridium compound of the formula III or IIIa [XIrYZ] (III) or [XIrY A. (IIIa)

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