The present invention refers to a process for the synthesis of (1-1-(R)-(E)-3-[2-(7-chloro-quinolin-2-yl)-vinyl]-phenyl}-3-[2-(1-hydroxy-1-methyl-ethyl)-phenyl]-propylsulfanylmethyl}-cyclopropyl)-acetic acid or its salts, comprising the reaction between 7-Chloro-2-vinyl-quinoline and a compound of formula (I)
wherein X is a halogen atom or a group of formula - OSO2R, wherein R is selected from the group consisting of CF3, tolyl, methyl and F;
in the presence of a palladium based catalyst. The invention is also directed to intermediates compounds of the process.
本发明涉及一种合成(1-1-(R)-(E)-3-[2-(7-氯-2-喹啉基)-乙烯基]-苯基}-3-[2-(1-羟基-1-甲基-乙基)-苯基]-丙基硫甲基}-环丙基)-乙酸或其盐的工艺,包括 7-氯-2-乙烯基喹啉和式 (I) 化合物之间的反应
其中 X 是卤素原子或式 - OSO2R 的基团,其中 R 选自 CF3、甲苯基、甲基和 F 组成的组;
在钯基催化剂存在下。本发明还涉及该工艺的中间体化合物。
PROCESS FOR OBTAINING MONTELUKAST
申请人:Perez Andres Juan Antonio
公开号:US20080194825A1
公开(公告)日:2008-08-14
The present invention refers to a process for the synthesis of (1-1-(R)-(E)-3-[2-(7-chloro-quinolin-2-yl)-vinyl]-phenyl}-3-[2-(1-hydroxy-1-methyl-ethyl)-phenyl]-propylsulfanylmethyl}-cyclopropyl)-acetic acid or its salts, comprising the reaction between 7-Chloro-2-vinyl-quinoline and a compound of formula (I)
wherein X is a halogen atom or a group of formula —OSO
2
R, wherein R is selected from the group consisting of CF
3
, tolyl, methyl and F;
in the presence of a palladium based catalyst. The invention is also directed to intermediates compounds of the process.