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Synthesis of chiral seven-membered β-substituted lactams via Rh-catalyzed asymmetric hydrogenation†
Yi Huang,Pan Li,Xiu-Qin Dong
Organic & Biomolecular Chemistry Pub Date : 11/08/2018 00:00:00 , DOI:10.1039/C8OB02231C
Abstract

Rh/bisphosphine-thiourea ligand (ZhaoPhos)-catalyzed asymmetric hydrogenation of seven-membered β-substituted α,β-unsaturated lactams was successfully developed to prepare various chiral seven-membered β-substituted lactams with good to excellent results (up to >99% conversion, 99% yield, and >99% ee).

Graphical abstract: Synthesis of chiral seven-membered β-substituted lactams via Rh-catalyzed asymmetric hydrogenation
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