The present invention relates to a process for the preparation of montelukast sodium salt. The process includes (a) reacting 2-(2-(3-(S)-(3-(7-chloro-2- quinolinyl)-ethenyl) phenyl)-3-hydroxypropyl)- phenyl-2-propanol of Formula (II) with diphenyl chloro phosphate to get a compound of Formula III; (b) condensing the compound of Formula III with a compound of Formula IV to get compound of Formula V; (c) and converting the compound of Formula V to montelukast sodium of Formula (I).
本发明涉及一种制备蒙特卢卡司钠盐的过程。该过程包括(a) 将公式(II)的2-(2-(3-(S)-(3-(7-
氯-2-
喹啉基)-
乙烯基)苯基)-3-羟基丙基)-苯基-2-
丙醇与二苯基
氯磷酸酯反应,得到公式III的化合物;(b) 将公式III的化合物与公式IV的化合物缩合,得到公式V的化合物;(c) 将公式V的化合物转化为公式(I)的蒙特卢卡司
钠。