Derivatives of hexahydrodibenzofuran-3-one, their preparation and use in pharmaceutical compositions
US4010268A · kind A · utility
1Cited by
1References
9Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 24, 1975 |
| Grant date | Mar 1, 1977 |
| Priority date | — |
| Expiry date | Apr 24, 1995 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61P11/14
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
The present invention relates to derivatives of hexahydrodibenzofuran-3-one and their salts possessing interesting antitussive activity, their process of preparation, intermediates, and pharmaceutical compositions.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.