The present invention relates to a process for the synthesis of Montelukast sodium of formula I the chemical name of which is [(R)-(E)]-1-[[[1-[3-[2-(7-chloro-2- quinolinyl)ethenyl]phenyl] -3 - [2-( 1 -hydroxy- 1 -methylethyl)phenyl]propyl] thio]methyl] - -cyclopropaneacetic acid sodium salt. The present invention further provides compounds of general formulae V, VI, VIb and VIII as new intermediates.
本发明涉及一种用于合成Montelukast
钠的过程,其
化学名称为[(R)-(E)]-1-[[[1-[3-[2-(7-
氯-2-
喹啉基)
乙烯基]苯基]-3-[2-(1-羟基-1-甲基乙基)苯基]丙基]
硫基]甲基]- -
环丙烷乙酸钠盐的
化学式I。本发明还提供了通式V、VI、VIb和VIII的新中间体化合物。