HIGH PURITY (1R,2R,4R)-(-)-2-N,N-(DIMETHYLLAMINOETHOXY)-2-PHENYL-1,7,7-TRIMETHYL-BICYCLO2.2.1HEPTANE, PHARMACEUTICAL ACCEPTABLE SALTS THEREOF, PROCESS FOR PREPARING THE SAME AND MEDICAMENTS CONTAING ONE OR MORE OF SAID COMPOUNDS

摘要

(57) The invention relates to (1R, 2S, 4R) - (-) - 2 - [(2 '- {N, N-dimethylamino} ethoxy)] - 2- [phenyl] -1,7,7-three - [methyl] -bicyclo [2.2.1] heptane of high purity and its pharmaceutically acceptable acid additive salts containing not more than 0.2% (1R, 3S, 4R) -3 - [(2 '- {N, N-dimethylamino} ethyl)] - 1,7,7-tri- [methyl] -bicyclo [2.2.1] heptan-2-one and / or its pharmaceutically acceptable acid addition salt. The invention also relates to a method for producing these compounds. Moreover, the invention relates to medicaments containing one or more of these compounds, and to the use of these compounds.