Drug Discovery Division, Korea Research Institute of Chemical Technology, PO Box 107, Yuseong, Daejeon 305-600, Korea.
Chem Commun (Camb). 2011 Apr 7;47(13):4004-6. doi: 10.1039/c0cc05289b. Epub 2011 Feb 18.
The dynamic kinetic resolution of 4,5-diaryl cyclic sulfamidate imines was achieved via asymmetric transfer hydrogenation using a HCO(2)H/Et(3)N mixture as the hydrogen source and chiral Rh catalysts (R,R)- or (S,S)-RhCl(TsDPEN)Cp* affording the corresponding cyclic sulfamidates in good yields with up to >20 : 1 dr and up to >99% ee.
通过不对称转移氢化反应,使用 HCO(2)H/Et(3)N 混合物作为氢源和手性 Rh 催化剂 (R,R)-或 (S,S)-RhCl(TsDPEN)Cp*,实现了 4,5-二芳基环状磺酰胺亚胺的动态动力学拆分,以高至 >20 : 1 dr 和高至 >99% ee 的对映选择性获得了相应的环状磺酰胺产物。