1-Benzoxepino[4,3-c]pyridines
US4116966A · kind A · utility
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3Claims
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Assignee
Inventors
Key dates
| Filing date | Nov 21, 1977 |
| Grant date | Sep 26, 1978 |
| Priority date | — |
| Expiry date | Nov 21, 1997 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07D491/04
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
The present invention is concerned with 11-oxo-1-benzoxepino[4,3-c]pyridines of Formula I: ##STR1## wherein R.sub.1 and R.sub.2 may be hydrogen, lower alkyl, cyano, carboxamido, carboxy, ethoxycarbonyl or tetrazolyl and R.sub.3 may be hydrogen, lower alkyl, halogen, hydroxy or lower alkoxy. These compounds are indicated in the management of allergic conditions such as bronchial asthma, hay fever and the like.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.