[EN] SYNTHETIC METHOD OF MONTELUKAST SODIUM INTERMEDIATE<br/>[FR] PROCÉDÉ DE SYNTHÈSE D'UN INTERMÉDIAIRE DU MONTÉLUKAST SODIQUE
申请人:SHANDONG NEW TIME PHARMACEUTICAL CO LTD
公开号:WO2011026398A1
公开(公告)日:2011-03-10
A process for preparing montelukast sodium intermediate 2-(2-(3-(2-(7-chloro-2-quinolyl)ethenyl)phenyl-3-oxopropyl)phenyl) propanol is provided. In the process, the target compound is prepared by condensing the starting materials 7-chloroquinaldine and 3-cyanobenzaldehyde, and then reacting with 2-(2-ortho-(2-haloethyl)-phenylpropyl)tetrahydropyrane ether.