HYDRATE OF 2-ISOPROPOXY-5-METHYL-4-(4-PIPERIDYL) ANILINE DIHYDROCHLORIDE, PREPARATION METHOD THEREFOR AND USES THEREOF

摘要

The present invention relates to a hydrate of 2-isopropoxy-5-methyl-4-(4-piperidyl) aniline dihydrochloride, and a preparation method therefor. The hydrate of 2-isopropoxy-5-methyl-4-(4-piperidyl) aniline dihydrochloride has a good crystallization form, is very suitable for recrystallization purification and has a very good impurity removal effect, and the content of a single impurity can reach 0.1%.