Invention Grant
- Patent Title: Process for the preparation of morphinan-6-one compounds
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Application No.: US14909573Application Date: 2014-02-05
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Publication No.: US09908891B2Publication Date: 2018-03-06
- Inventor: Nicolas Archer , Timothy Davies , Amy Price , Maureen Young
- Applicant: JOHNSON MATTHEY PUBLIC LIMITED COMPANY
- Applicant Address: GB London
- Assignee: Johnson Matthey Public Limited Company
- Current Assignee: Johnson Matthey Public Limited Company
- Current Assignee Address: GB London
- Agency: Baker & Hostetler LLP
- Priority: GB1313915.9 20130802
- International Application: PCT/GB2014/050324 WO 20140205
- International Announcement: WO2015/015147 WO 20150205
- Main IPC: C07D489/08
- IPC: C07D489/08 ; C07D489/02
Abstract:
The present invention provides processes for preparing morphinan-6-one compounds, in particular oxymorphone and salts thereof, having improved impurity profiles.
Public/Granted literature
- US20160176887A1 PROCESS FOR THE PREPARATION OF MORPHINAN-6-ONE COMPOUNDS Public/Granted day:2016-06-23
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