BORON-NITROGEN LIGAND WITH CHIRAL 1,2-ETHYLENEDIAMINE BACKBONE, AND PREPARATION METHOD AND USE THEREOF
申请人:SUZHOU RESEARCH INSTITUTE, LANZHOU INSTITUTE OF CHEMICAL PHYSICS, CHINESE ACADEMY OF SCIENCES
公开号:US20210253606A1
公开(公告)日:2021-08-19
A boron-nitrogen ligand with a chiral 1,2-ethylenediamine backbone, a preparing method and used thereof are provided. The structural formula of the boron-nitrogen ligand is as shown in formula (I):
wherein R
1
, R
2
and R
3
are respectively at least independently selected from substituted or unsubstituted C
3
-C
10
cycloalkyl, C
1
-C
10
alkyl or aryl; R
4
, R
5
, R
6
, R
7
, R
8
, R
9
, R
10
, R
11
and R
12
are respectively at least independently selected from hydrogen, halogen, substituted or unsubstituted C
1
-C
10
alkyl, C
1
-C
4
alkoxy, C
3
-C
30
cycloalkyl or aryl; Ar
1
and Ar
2
are respectively at least independently selected from substituted or unsubstituted C
6
-C
30
aryl. The preparation method of the present application is simple, and can be used for preparing a racemic or chiral boron-nitrogen ligand, which can be used as a catalyst for an asymmetric catalytic reaction and has economic practicability and industrial application prospects.
提供了一种具有手性1,2-乙二胺骨架的硼-氮配体,提供了一种制备方法和用途。硼-氮配体的结构式如下所示:其中R1、R2和R3分别至少独立地选自取代或未取代的C3-C10环烷基、C1-C10烷基或芳基;R4、R5、R6、R7、R8、R9、R10、R11和R12分别至少独立地选自氢、卤素、取代或未取代的C1-C10烷基、C1-C4烷氧基、C3-C30环烷基或芳基;Ar1和Ar2分别至少独立地选自取代或未取代的C6-C30芳基。本申请的制备方法简单,可用于制备光学活性或手性硼-氮配体,可用作不对称催化反应的催化剂,并具有经济实用性和工业应用前景。