A synthesis method for preparing Montelukast sodium intermediate 2-(2-(3-(2-(7-chloroquinolyl)vinyl)phenyloxopropyl)phenyl) propanol is provided. In this method, the target compound is prepared by condensing the starting materials 7-chloroquinaldine and 3-cyanobenzaldehyde, and then reacting. Disclosed is a process for the preparation of montelukast sodium. The process comprises a) reacting 2-(2-(3(S)-(3-(2-(7-chloroquinolinyl)-ethenyl)phenyl)hydroxypropyl)phenyl)propanol with methane sulfonyl chloride and coupling the resultant mesylate compound with. 2 3 weeks as you recognize to use Nizoral Dandruff. Shampoo.