申请人:Technische Universität Berlin
公开号:EP3981773A1
公开(公告)日:2022-04-13
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.
本发明涉及手性醇对映体选择性硅烷化的非酶动态动力学解析(DKR)工艺,该工艺包括使用消旋化催化剂使包含手性醇第一对映体的底物反应,并使用对映体选择性硅烷化催化剂从所述第二对映体和氢硅烷生成硅烷醚、其中,对映体选择性硅烷化催化剂是一种催化体系,包括铜盐、无机碱或有机金属碱和(-)-1,2-双((2R,5R)-2,5-二磷酸)乙烷或(+)-1、2-双((2S,5S)-2,5-二芳基磷酰)乙烷((R,R)-Ar-BPE 或 (S,S)-Ar-BPE),而消旋化催化剂是本文公开的符合式 I 的化合物。