The present invention provides improved process for preparation of revaprazan hydrochloride (I) comprising reaction of l-methyl-l,2,3,4-tetrahydroisoquinoline (III) withcompound (VII) wherein R is a good leaving group selected from F, Cl, Br, I, (1), (2), (3) in presence of phase transfer catalyst and solvent to give revaprazan (VI) and followed by treatment with hydrochloride acid.
本发明提供了一种改进的制备
盐酸雷伐普兰(I)的方法,包括将l-甲基-l,2,3,4-
四氢异喹啉(III)与化合物(VII)在相转移催化剂和溶剂的存在下反应,其中R是从F、Cl、Br、I、(1)、(2)、(3)中选择的良好离去基团,从而得到雷伐普兰(VI),然后用
盐酸处理。