CATALYST FOR ASYMMETRIC HYDROGENATION OF IMINE, SYNTHESIS METHOD AND APPLICATION THEREOF
申请人:Li Jin
公开号:US20140018548A1
公开(公告)日:2014-01-16
A chiral hydrogenated H
8
-BINOL bisphosphine compound is provided, with the structure shown as the following formula (I), wherein both R
1
and R
2
are halogen, H or C
1
-C
10
aliphatic group; R
3
is H or C
1
-C
10
aliphatic group; R
4
is halogen, amino, nitro, H, C
1
-C
10
aliphatic group or C
1
-C
10
aromatic group; and X is phenyl, substituted phenyl, cyclohexyl, substituted cyclohexyl, C
6
-C
30
aromatic group, or C
6
-C
30
heterocyclic aromatic group containing one or more heteroatoms selected from N, S, O. The present invention further provides a catalyst for an asymmetric catalytic hydrogenation reaction which contains the compound, wherein the catalyst can produce more than
90
% of enantiomers and efficiency with the turnover number of greater than
100,000
in the asymmetric hydrogenation reaction of imines.
提供了一种手性氢化H8-BINOL双膦化合物,其结构如下式(I)所示,其中R1和R2均为卤素、氢或C1-C10脂肪基;R3为氢或C1-C10脂肪基;R4为卤素、氨基、硝基、氢、C1-C10脂肪基或C1-C10芳香基;X为苯基、取代苯基、环己基、取代环己基、C6-C30芳香基或含有N、S、O中的一个或多个杂原子的C6-C30杂环芳香基。本发明还提供了一种不对称催化氢化反应的催化剂,其中包含该化合物,催化剂能够在亚胺的不对称氢化反应中产生超过90%的对映体,且具有大于100,000的周转数效率。