Heterocyclic annelated 1-benzoxepin-5-ones
US4012411A · kind A · utility
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Key dates
| Filing date | Mar 3, 1975 |
| Grant date | Mar 15, 1977 |
| Priority date | — |
| Expiry date | Mar 3, 1995 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07D498/04
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
Compounds of the formula: ##STR1## are disclosed wherein X is NH, O or S and the tautomers thereof when X is nitrogen, and Y is hydrogen, lower alkyl, hydroxy, lower alkoxy, chloro, bromo or aryl. These compounds are useful in the management of allergic manifestations such as bronchial asthma.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.