Evaluation of calix[4]arene-based chiral diphosphite ligands in Rh-catalyzed asymmetric hydrogenation of simple dehydroamino acid derivatives

Journal of Molecular Catalysis A: Chemical（2010）

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摘要

The versatile calix[4]arene framework yielded chiral diphosphite ligands applicable for Rh-catalyzed asymmetric hydrogenation of dehydroamino acid derivatives. Optimum efficiency was obtained for: R1=–C(CH3)3; R2=–CH2CH2CH3; and R3=H.

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关键词

Asymmetric catalysis,Homogeneous catalysis,Hydrogenation,Calixarene,Phosphite ligand,Rhodium

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