Invention Grant
![Process for preparing substituted 9,10-dioxo-9,10-dihydroanthrecenes and 6H-anthra[1,9-cd]isoxazol-6-ones](/docs/US/2020-02-04/US10550090B2/abs.jpg.600x600.jpg)
- Patent Title: Process for preparing substituted 9,10-dioxo-9,10-dihydroanthrecenes and 6H-anthra[1,9-cd]isoxazol-6-ones
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Application No.: US16085829Application Date: 2017-03-17
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Publication No.: US10550090B2Publication Date: 2020-02-04
- Inventor: Laykea Tafesse
- Applicant: Purdue Pharma L.P.
- Applicant Address: US CT Stamford
- Assignee: Purdue Pharma L.P.
- Current Assignee: Purdue Pharma L.P.
- Current Assignee Address: US CT Stamford
- Agency: Purdue Pharma L.P.
- Agent Weiying Yang
- International Application: PCT/US2017/022904 WO 20170317
- International Announcement: WO2017/161235 WO 20170921
- Main IPC: A61K31/4965
- IPC: A61K31/4965 ; C07D241/04 ; C07C227/18 ; C07C229/60 ; C07D413/04
![Process for preparing substituted 9,10-dioxo-9,10-dihydroanthrecenes and 6H-anthra[1,9-cd]isoxazol-6-ones](/abs-image/US/2020/02/04/US10550090B2/abs.jpg.150x150.jpg)
Abstract:
The disclosure provides processes of preparing compounds of Formula (I) and Formula (IV), their salts, and intermediates thereof, wherein R1, R2, R3, and R7 are defined as set forth in the specification.
Public/Granted literature
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