7,8-Dihydroisomorphine derivative, namely azidoethylmorphine
US4167636A · kind A · utility
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1Claims
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Assignee
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Key dates
| Filing date | Mar 29, 1978 |
| Grant date | Sep 11, 1979 |
| Priority date | — |
| Expiry date | Mar 29, 1998 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07D489/00
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
Azidoethylmorphine, a new 7,8-dihydroisomorphine derivative, has excellent antitussive effects without respiration depression.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.