[EN] DYNAMIC KINETIC RESOLUTION OF ALCOHOLS BY ENANTIOSELECTIVE SILYLATION<br/>[FR] RÉSOLUTION CINÉTIQUE DYNAMIQUE D'ALCOOLS PAR SILYLATION ÉNANTIOSÉLECTIVE
申请人:UNIV BERLIN TECH
公开号:WO2022074177A1
公开(公告)日:2022-04-14
The invention relates to non-enzymatic dynamic kinetic resolution (DKR) process for enantioselective silylation of a chiral alcohol, the process comprising reacting a substrate comprising a first enantiomer of the chiral alcohol using a racemization catalyst, and generating from said second enantiomer and a hydrosilane a silyl ether using an enantioselective silylation catalyst, wherein the enantioselective silylation catalyst is a catalytic system comprising a copper salt, an inorganic or organometallic base and (-)-1,2-bis((2R,5R)-2,5-diarylphospholano)ethane or (+)-1,2-bis((2S,5S)-2,5-diarylphospholano)ethane ((R,R)-Ar-BPE or (S,S)-Ar-BPE), and the racemization catalyst is a compound according to Formula I as disclosed herein.
本发明涉及一种非酶动力学拆分(DKR)过程,用于对手性醇的对映选择性硅基化反应,该过程包括使用消旋催化剂反应包含手性醇的第一对映体的底物,并使用对映选择性硅基化催化剂从第二对映体和氢硅烷生成硅醚,其中对映选择性硅基化催化剂是由铜盐、无机或有机金属碱和(-)-1,2-双((2R,5R)-2,5-二芳基膦酰)乙烷或(+)-1,2-双((2S,5S)-2,5-二芳基膦酰)乙烷((R,R)-Ar-BPE或(S,S)-Ar-BPE)组成的催化体系,而消旋催化剂是本文所披露的公式I的化合物。