Cross-Coupling catalyst comprising a cyclic nitrogen ligand and process using the same
申请人:Sumitomo Chemical Company, Limited
公开号:EP1306131A2
公开(公告)日:2003-05-02
There are disclosed a process for producing a coupling compound of formula (1):
(Y-)(n-1)R1-R2-(R1)(n'-1) (1),
wherein R1 and R2 independently represent
a substituted or unsubstituted aryl group,
which process is characterized by reacting
an unsaturated organic compound of formula (2):
n'(R1X1 n) (2)
wherein n, n', and R1 are the same as defined above, and X1 is the same or different and independently represents a leaving group and bonded with a sp2 carbon atom of R1 group,
with a boron compound of formula (3):
m R2(BX2 2)n'} (3)
wherein R2 and n' are the same as defined above, X2 represents a hydroxy group, an alkoxy group, in the presence of a catalyst containing
(A)a nickel compound, and
(B)a nitrogen-containing cyclic compound, and the catalyst.
公开了一种生产式(1)偶联化合物的工艺:
(Y-)(n-1)R1-R2-(R1)(n'-1) (1)、
其中 R1 和 R2 独立地代表
取代或未取代的芳基、
该工艺的特点是
式 (2) 的不饱和有机化合物:
n'(R1X1 n) (2)
其中 n、n'和 R1 与上述定义相同,X1 与上述定义相同或不同,且独立地代表离去基团并与 R1 基团的 sp2 碳原子结合、
与式 (3) 的硼化合物结合:
m R2(BX2 2)n'} (3)
其中 R2 和 n'与上文所定义的相同,X2 代表羟基、烷氧基,在催化剂存在下,含有
(A) 镍化合物,和
(B)一种含氮环状化合物和催化剂。