Cyanoprostaglandins
US4045465A · kind A · utility
1Cited by
2References
3Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 6, 1976 |
| Grant date | Aug 30, 1977 |
| Priority date | — |
| Expiry date | Aug 6, 1996 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02P20/55
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
The 19-cyano-20-nor derivatives of prostaglandins E.sub.1 and E.sub.2, and certain esters thereof, are bronchodilatory agents, useful in the treatment of bronchial asthma, bronchitis, pneumonia and emphysema. The 19-cyano-20-nor derivatives of prostaglandins E.sub.1 and E.sub.2, and certain esters thereof, which also have protecting groups on the hydroxy groups at C-11 and C-15 are useful intermediates for the preparations of the bronchodilatory agents of this invention.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.