High purity (1R, 2S, 4R) -(-) -2- [ (2' -{N,N-dimethylamino} -ethoxy) ] -2- [phenyl] -1, 7,7 -tri - [methyl] -bicyclo [2.2.1] heptane and pharmaceutically acceptable acid addition salts thereof and a process for the preparation of these compounds as well as medicaments containing 1 or more of these compounds and their use
申请人:——
公开号:US20020040164A1
公开(公告)日:2002-04-04
The invention relates to high purity (1R,2S,4R)-(−)-2-[ (2′-{N,N-dimethylamino}-ethoxy)]-2-[phenyl]-1,7,7-tri-methyl -bicyclo[2.2.1]heptane and pharmaceutically acceptable acid addition salts thereof containing not more than 0.2% of (1R,3S,4R)-3-[(2′-{N,N-dimethylamino}-ethyl)]-1 ,7,7-tri-[methyl]-bicyclo[2.2.1]heptane-2-one and/or of a pharmaceutically acceptable acid addition salt thereof.
Furthermore the invention is concerned with a process for the preparation of these compounds.
Moreover the invention relates to medicaments containing 1 or more of these compounds and their use.
本发明涉及高纯度(1R,2S,4R)-(-)-2-[(2'-N,N-二甲基氨基)-乙氧基]-2-[苯基]-1,7,7-三甲基-双环[2.2.1]庚烷及其药学上可接受的酸盐,其中不含有超过0.2%的(1R,3S,4R)-3-[(2'-N,N-二甲基氨基)-乙基]-1,7,7-三[甲基]-双环[2.2.1]庚烷-2-酮和/或药学上可接受的酸盐。此外,本发明涉及制备这些化合物的方法。此外,本发明涉及含有1个或多个这些化合物的药物及其用途。