Process for Preparation of Diphosphine Compounds and Intermediates for the Process
申请人:Goto Mitsutaka
公开号:US20070161805A1
公开(公告)日:2007-07-12
A production method of a compound represented by the formula
wherein R
1a
, R
1b
, R
1c
, R
1d
, R
1e
, R
1f
, R
2a
, R
2b
, R
2c
, R
2d
, R
2e
and R
2f
are the same or different and each is a hydrogen atom and the like, and R
3
, R
4
, R
5
, R
6
, R
7
, R
8
, R
9
and R
10
are the same or different and each is a hydrogen atom and the like, or a salt thereof, which comprises reacting a compound represented by the formula
wherein X is a leaving group and other symbols are as defined above, or a salt thereof, with a phosphine-borane complex represented by the formula
wherein the symbols are as defined above, or a salt thereof, in a solvent in the presence of an amine and a nickel catalyst, is provided.
提供一种化合物的生产方法,该化合物的化学式表示为:
其中,R1a、R1b、R1c、R1d、R1e、R1f、R2a、R2b、R2c、R2d、R2e和R2f相同或不同,每个都是氢原子等,R3、R4、R5、R6、R7、R8、R9和R10相同或不同,每个都是氢原子等,或其盐。该方法包括在胺和镍催化剂的存在下,在溶剂中将下列化合物:
其中,X是离去基团,其他符号如上定义,或其盐,与下列膦硼烷复合物反应:
其中,符号如上定义,或其盐。