Iridium−Monodentate Phosphoramidite-Catalyzed Asymmetric Hydrogenation of Substituted Benzophenone N−H Imines
作者:Guohua Hou、Ran Tao、Yongkui Sun、Xumu Zhang、Francis Gosselin
DOI:10.1021/ja909583s
日期:2010.2.24
Homogeneous asymmetric hydrogenation of unprotected benzophenone N-H imines 1a-r using 1r-benzyl-N-methyl-MonoPhos as a catalyst provides chiral amines 2a-r in 80-96% yield with enantioselectivities up to 98% ee (18 examples) for ortho-substituted substrates.