Invention Grant
US07939543B2 Method of reducing α, β unsaturated ketones in opioid compositions
有权
减少α，bgr的方法 阿片样物质组成中的不饱和酮
- Patent Title: Method of reducing α, β unsaturated ketones in opioid compositions
- Patent Title (中): 减少α，bgr的方法 阿片样物质组成中的不饱和酮
-
Application No.: US11885402Application Date: 2006-02-27
-
Publication No.: US07939543B2Publication Date: 2011-05-10
- Inventor: Robert J. Kupper
- Applicant: Robert J. Kupper
- Applicant Address: US CT Stamford
- Assignee: Purdue Pharma L.P.
- Current Assignee: Purdue Pharma L.P.
- Current Assignee Address: US CT Stamford
- Agency: Davidson, Davidson & Kappel LLC
- International Application: PCT/EP2006/001798 WO 20060227
- International Announcement: WO2006/094672 WO 20060914
- Main IPC: A61K31/485
- IPC: A61K31/485 ; C07D489/04
Abstract:
The present invention is directed to a process for reducing the level of α, β-unsaturated ketone in an opioid analgesic composition by hydrogenation the opioid analgesic composition with diimide or a diimide progenitor.
Public/Granted literature
- US20080132702A1 Method Of Reducing Alpha, Beta Unsaturated Ketones In Opioid Compositions Public/Granted day:2008-06-05
Information query
IPC分类:
