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.
该发明涉及高纯度的(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]庚烷及其药用可接受的酸盐,其含有不超过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/或其药用可接受的酸盐。此外,该发明涉及制备这些化合物的方法。此外,该发明涉及含有1种或多种这些化合物的药物及其用途。