The present invention relates to an improved process for the preparation of Fesoterodine and pharmaceutically acceptable salts thereof. The present invention particularly relates to a process for the preparation of fesoterodine and pharmaceutically acceptable salts thereof which involves use and preparation of R(+)benzyl tolterodine and fumarate salt of R(+)-[4-benzyloxy-3-(3-diisopropylamino-1-phenylpropyl)-phenyl]-methanol.
本发明涉及一种改进的制备Fesoterodine及其药学上可接受的盐的方法。本发明特别涉及一种制备Fesoterodine及其药学上可接受的盐的方法,其中涉及使用和制备R(+)苄基托
吡啶和R(+)-[4-苄氧基-3-(3-
二异丙基氨基-1-苯基丙基)-苯基]-
甲醇富马酸盐。