发明公开
- 专利标题: PROCESS FOR THE PREPARATION OF QUATERNARY N-ALKYL MORPHINAN ALKALOID SALTS
- 专利标题(中): 用于生产季N-烷基吗啡喃生物碱盐的
-
申请号: EP03783211.0申请日: 2003-11-05
-
公开(公告)号: EP1562953A2公开(公告)日: 2005-08-17
- 发明人: CANTRELL, Gary, L. , HALVACHS, Robert, E.
- 申请人: Mallinckrodt Inc.
- 申请人地址: 675 McDonnell Boulevard,P.O.Box 5840 St. Louis,Missouri 63134 US
- 专利权人: Mallinckrodt Inc.
- 当前专利权人: Mallinckrodt Inc.
- 当前专利权人地址: 675 McDonnell Boulevard,P.O.Box 5840 St. Louis,Missouri 63134 US
- 代理机构: Cockerton, Bruce Roger
- 优先权: US424748P 20021108; US425580P 20021112
- 国际公布: WO2004043964 20040527
- 主分类号: C07D489/02
- IPC分类号: C07D489/02
摘要:
A process for the preparation of a quaternary derivative of the morphinan alkaloid, the process comprising contacting a tertiary N-substituted morphinan alkaloid with an alkyl halide in an anhydrous solvent system, wherein the solvent system comprises an aprotic dipolar solvent with the aprotic dipolar solvent constituting at least 25 wt% of the solvent system.
公开/授权文献
信息查询