Enantioselective Hydrogenation of Racemic α-Arylamino Lactones to Chiral Amino Diols with Site-Specifically Modified Chiral Spiro Iridium Catalysts
作者:Xue-Song Gu、Na Yu、Xiao-Hui Yang、An-Te Zhu、Jian-Hua Xie、Qi-Lin Zhou
DOI:10.1021/acs.orglett.9b01290
日期:2019.6.7
A protocol for highly enantioselective hydrogenation of racemic α-arylamino lactones with catalysis by site-specifically modified chiral spiro iridium complexes has been developed. With the optimized catalyst, racemic α-arylamino-γ-lactones and α-arylamino-δ-lactones could be hydrogenated to the corresponding chiral 2-amino diols with good to excellent enantioselectivities.
已经开发了通过位点特异性修饰的手性螺铱铱络合物催化催化外消旋α-芳基氨基内酯的高度对映选择性氢化的方案。利用优化的催化剂,外消旋的α-芳基氨基-γ-内酯和α-芳基氨基-δ-内酯可以被氢化成相应的手性2-氨基二醇,具有良好的至优异的对映选择性。