Provided are intermediates for preparing dabigatran etexilate i.e. isopropanol solvate of l-methyl-2-[N-(4-amidinophenyl)-aminomethyl] benzimidazol-5-yl-carboxylicacid-N-(2-pyridyl)-N-(2-ethoxy carbonyl ethyl)-amide hydrochloride of formula (Vila) and crystalline form II of l-methyl-2-[N-(4-amidinophenyl)-aminomethyl] benzimidazol-5-yl-carboxylic acid-N-(2-pyridyl)-N-(2-ethoxy carbonyl ethyl)-amide hydrochloride of formula (VII).
提供了制备
达比加群酯中间体的物质,即l-甲基-2-[N-(4-
氨基苯基)-
氨甲基]
苯并咪唑-5-基-
羧酸-N-(2-
吡啶基)-N-(2-乙氧羰基乙基)-酰胺盐酸盐(Vila)的
异丙醇溶剂化合物和l-甲基-2-[N-(4-
氨基苯基)-
氨甲基]
苯并咪唑-5-基-
羧酸-N-(2-
吡啶基)-N-(2-乙氧羰基乙基)-酰胺盐酸盐(VII)的结晶形式II。