Process for improved oxycodone synthesis
US10844072B2 · kind B2 · utility
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36References
12Claims
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Key dates
| Filing date | Jul 31, 2019 |
| Grant date | Nov 24, 2020 |
| Priority date | — |
| Expiry date | Jul 31, 2039 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07D489/08
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
Processes for preparing oxycodone are provided. Said processes encompass a step which is a hydrogenation of an 14-hydroxycodeinone salt in the presence of trifluoroacetic acid and/or a glycol.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.