Synthesis of novel chiral N,P-containing multidentate ligands and their applications in asymmetric transfer hydrogenation

被引：4
|
作者：
Shen Luan Yu
机构：
来源：
Chinese Chemical Letters | 2011年 / 22卷 / 11期
基金：
中国国家自然科学基金;
关键词：
Chiral multidentate aminophosphine ligand; Iridium complex; Propiophenone; Asymmetric transfer hydrogenation;
D O I：
暂无
中图分类号：
O621.25 [];
学科分类号：
摘要：
Novel chiral PN;-type multidentate aminophosphine ligands have been successfully synthesized by Schiff-base condensation of bis（o-formylphenyl）phenylphosphane and various chiral amino-sulfonamides.Their structures were fully characterized by IR,EI-MS and NMR.The catalytic systems,prepared in situ from the multidentate ligands and iridium（I） complexes,showed high activity in asymmetric transfer hydrogenation of propiophenone in 2-propanol solution,leading to corresponding optical alcohol with up to 75%ee.
引用
收藏
页码：1269 / 1272
页数：4
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