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

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

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-...

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Hauptverfasser: KRASZNAI GYORGY, BUDAI ZOLTAN, NAGY KALMAN, VERECZKEY GYORGYI DONATH, SZULAGYI JANOS, LUKACS GYULA, PORCS-MAKKAY MARTA, MEZEI TIBOR, SIMIG GYULA, NEMETH NORBERT, SZABO TIBOR
Format: Patent
Sprache:eng
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Zusammenfassung: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.