1R,2S,4R)-(-)-2-(2'-{N,N-DIMETHYLAMINO}-ETHOXY)-2-PHENYL-1,7,7-TRI-METHYL-BICYCLO2,2,1HEPTANE OF HIGH GRADE, PHARMACEUTICALLY ACCEPTABLE ADDITIVE ACID SALTS THEREOF, A METHOD FOR PREPARATION OF THESE COMPOUNDS AND MEDICAMENTS

摘要

The invention concerns(1R, 2S, 4R)-(-)-2-[(2'-{N,N-dimethylamino}-ethoxy)]-2-[phenyl]-1,7,7-tri-[methyl]-bicyclo[2,2,1]heptane of high grade and pharmaceutically acceptable acid additive salts thereof which contain no more than 0.2% (1R, 3S, 4R)-3-[(2'-{N,N-dimerthylamino}-ethyl)]-1,7,7-tri-[methyl]-bicyclo[2,2,1]heptane-2-on and/or pharmaceutically acceptable acid additive salt thereof. Also the invention concerns the process for preparing these compounds. Furthermore, the invention concerns medicaments containing one or more of these compounds and application of these compounds.