Synthesis of chiral seven-membered β-substituted lactams <i>via</i> Rh-catalyzed asymmetric hydrogenation
作者:Yi Huang、Pan Li、Xiu-Qin Dong、Xumu Zhang
DOI:10.1039/c8ob02231c
日期:——
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).
成功开发了Rh /双膦-硫脲配体(ZhaoPhos)催化的七元β-取代的α,β-不饱和内酰胺的不对称加氢反应,以制备各种手性七元β-取代的内酰胺,效果良好至优异(高达> 99) %转化率,99%收率和> 99%ee)。