The present invention provides a process for the preparation of Silodosin of Formula (I). More particularly, the present invention provides the process for preparation of tartrate salt of 3-[7-cyano-5[(2R)-2-(2-[2-(2,2,2- trifluoroethoxy)phenoxy]ethyl}amino)propyl]-2, 3-dihydro-1H-indol-1 -yl }propyl benzoate of Formula (IV), which is a precursor in the preparation of Silodosin.
本发明提供了一种制备化合物Silodosin(
化学式I)的方法。更具体地,本发明提供了一种制备
酒石酸盐的方法,该
酒石酸盐是化合物3-[7-
氰基-5-[(2R)-2-(2-[2-(2,2,2-三
氟乙氧基)苯氧基]乙基}
氨基)丙基]-2,3-二氢-1H-
吲哚-1-基]丙基
苯甲酸苯酯(
化学式IV)的前体,用于制备Silodosin。