Process for the preparation of [R-(E)-1-[[[1-[3-[2-[7-chloro-2-quinolinyl]ethenyl]phenyl]-3-[2-(1-hydroxy-1-methylethyl)phenyl]propyl]thio]methyl]cyclopropaneacetic acid (montelukast) and its pharmaceutically acceptable salts
Process for the preparation of [R-(E)-1-[[[1-[3-[2-[7-chloro-2-quinolinyl]ethenyl]phenyl]-3-[2-(1-hydroxy-1-methylethyl)phenyl]propyl]thio]methyl]cyclopropaneacetic acid (montelukast) and its pharmaceutically acceptable salts
Process for the preparation of [R-(E)-1-[[[1-[3-[2-[7-chloro-2-quinolinyl]ethenyl]phenyl]-3-[2-(1-hydroxy-1-methylethyl)phenyl]propyl]thio]methyl]cyclopropaneacetic acid (montelukast) and its pharmaceutically acceptable salts
申请人:Sundaram Venkataraman
公开号:US20050234241A1
公开(公告)日:2005-10-20
The present invention is related to a process for preparing montelukast involving the compound of formula (VI):
wherein X═CN or CONH
2
.