发明授权
- 专利标题: Method of preparing the enantiomers of O-dimethyltramadol
- 专利标题(中): 制备O-二甲基曲马多的对映异构体的方法
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申请号: US784078申请日: 1997-01-17
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公开(公告)号: US5728885A公开(公告)日: 1998-03-17
- 发明人: Helmut Buschmann , Werner Winter , Ivars Graudums , Peter Jansen, deceased , Wolfgang Werner Alfred Strassburger , Elmar Josef Friederichs
- 申请人: Helmut Buschmann , Werner Winter , Ivars Graudums , Peter Jansen, deceased , Wolfgang Werner Alfred Strassburger , Elmar Josef Friederichs
- 申请人地址: DEX Aachen
- 专利权人: Gruenenthal GmbH
- 当前专利权人: Gruenenthal GmbH
- 当前专利权人地址: DEX Aachen
- 优先权: DEX19601744.0 19960119
- 主分类号: A61K31/135
- IPC分类号: A61K31/135 ; A61P25/04 ; C07B57/00 ; C07C213/00 ; C07C213/08 ; C07C213/10 ; C07C215/64 ; C07C217/74 ; C07C209/88
摘要:
A method of preparing the enantiomers of O-demethyltramadol and the use of the enantiomers as pain-killing drugs are described.
公开/授权文献
- US4704708A Acoustic borehole logging tool 公开/授权日:1987-11-03
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