Enantioselective Synthesis of Chiral β-Aryloxy Alcohols by Ruthenium-Catalyzed Ketone Hydrogenation<i>via</i>Dynamic Kinetic Resolution (DKR)
作者:Wen-Ju Bai、Jian-Hua Xie、Ya-Li Li、Sheng Liu、Qi-Lin Zhou
DOI:10.1002/adsc.200900675
日期:2010.1.4
A highly efficient enantioselective synthesis of chiral β‐aryloxy alcohols by the RuCl2[(S)‐SDP][(R,R)‐DPEN]} [(Sa,R,R)‐1a; SDP=7,7′‐bis(diarylphosphino)‐1,1′‐spirobiindane; DPEN=trans‐1,2‐diphenylethylenediamine] complex‐catalyzed asymmetric hydrogenation of racemic α‐aryloxydialkyl ketones via dynamic kinetic resolution (DKR) has been developed. Enantioselectivities of up to 99% ee with good to
通过手性β-芳氧基醇的高效对映选择性合成的RuCl 2 - [(小号)-SDP] [([R ,- [R)-DPEN]} [(š一个,- [R ,- [R )- 1A ; SDP = 7,7'-双(二芳基膦基)-1,1'-螺双茚满; 已经开发了通过动态动力学拆分(DKR)的DPEN =反式1,2-二苯基乙二胺]络合物催化外消旋α-芳氧基二烷基酮的不对称氢化反应。实现了高达99%ee的对映选择性以及良好的顺/反选择性(高达> 99:1)。