发明名称 Crystalline Forms of (-)-(1R,2R)-3-(3-dimethylamino-1-ethyl-2-methylpropyl)-phenol hydrochloride
摘要 A hitherto unknown crystalline form of (-)-(1R,2R)-3-(3-dimethylamino-1-ethyl-2-methylpropyl)-phenol hydrochloride, pharmaceutical compositions containing the new crystalline form, methods of producing the new crystalline form, and a related method of use including treatment of, e.g., pain and/or urinary incontinence.
申请公布号 US2014296346(A1) 申请公布日期 2014.10.02
申请号 US201414304313 申请日期 2014.06.13
申请人 GRUENENTHAL GmbH 发明人 FISCHER Andreas;BUSCHMANN Helmut;GRUSS Michael;LISCHKE Dagmar
分类号 C07C213/10;C07C215/54 主分类号 C07C213/10
代理机构 代理人
主权项 1. A process for producing a (-)-(1R,2R)-3-(3-dimethylamino-1-ethyl-2-methylpropyl)-phenol hydrochloride of crystalline Form A, said process comprising: dissolving a (-)-(1R,2R)-3-(3-dimethylamino-1-ethyl-2-methylpropyl)-phenol hydrochloride of crystalline Form B in acetone, acetonitrile or isopropanol to form a solution; leaving the solution to crystallize and isolating crystals of (-)-(1R,2R)-3-(3-dimethylamino-1-ethyl-2-methylpropyl)-phenol hydrochloride of crystalline Form A.
地址 Aachen DE