A synthesis method for preparing Montelukast sodium intermediate 2-(2-(3-(2-(7-chloro-2-quinolyl)vinyl)phenyl-3-oxopropyl)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 the resultant product with 2-(2-ortho-(2-haloethyl)-phenylpropyl)tetrahydropyrane ether. The present invention can easily obtain start materials and is applicable for mass production.
本发明提供了一种合成方法,用于制备蒙特卢卡斯
钠中间体2-(2-(3-(2-(7-
氯-2-
喹啉基)
乙烯基)苯基-3-氧代丙基)苯基)
丙醇。在该方法中,通过缩合起始材料
7-氯喹啉和
3-氰基苯甲醛,然后将所得产物与2-(2-邻-(2-卤乙基)-苯基丙基)
四氢吡喃醚反应,制备目标化合物。本发明可以轻松获得起始材料,并适用于大规模生产。