Process for making 6-desoxy-6-methylenenaloxone and 6-desoxy-6-methylenenaltrexone
US4535157A · kind A · utility
25Cited by
2References
3Claims
0Family size
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Key dates
| Filing date | Nov 1, 1983 |
| Grant date | Aug 13, 1985 |
| Priority date | — |
| Expiry date | Nov 1, 2003 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61P25/30
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
An improved Wittig reaction for making 6-desoxy-6-methylenenaloxone and 6-desoxy-6-methylenenaltrexone from naloxone and naltrexone utilizing an alkoxide base in an ethereal solvent.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.