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1. Highly Enantioselective Rh-Catalyzed Hydrogenation of β,γ-Unsaturated Phosphonates with Chiral Ferrocene-Based Monophosphoramidite Ligands.

Author

Zheng-Chao Duan, Xiang-Ping Hu, Cheng Zhang, Dao-Yong Wang, Sai-Bo Yu, and Zhuo Zheng

Subjects
*HYDROGENATION, *PHOSPHONATES, *CHIRALITY, *FERROCENE, *LIGANDS (Chemistry)
Abstract

An enantioselective synthesis of chiral alkylphosphonates bearing a β-stereogenic center, based on the Rh-catalyzed asymmetric hydrogenation of corresponding β-substituted β,γ-unsaturated phosphonates with a ferrocenebased monophosphoramidite ligand under the mild hydrogenation conditions, was developed, in which an ee value of up to 98% was obtained. [ABSTRACT FROM AUTHOR]

Published
2009
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