The present invention relates to novel processes for the preparation of trans- N-4-[2- [4-(2,3-dichloro phenyl) piperazine-1-yl] ethyl] cyclohexyl} -N',N'-dimethylurea hydrochloride represented by the following structural formula-1a and polymorphs thereof. (I) The present invention also relates to novel intermediate compounds which are useful for the preparation of compound of formula-1a.
本发明涉及一种用于制备trans-N-4-[2-[4-(2,3-二
氯苯基)
哌嗪-1-基]乙基]环己基}-N',N'-二甲基
脲盐酸盐的新工艺,其结构式如下-1a及其多晶形态。本发明还涉及一种有用于制备式-1a化合物的新中间体化合物。