4-Substituted-2, 3-dihydro-1-benzoxepin-3, 5-diones and tautomers
US4001224A · kind A · utility
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4Claims
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Assignee
Inventors
Key dates
| Filing date | Mar 18, 1976 |
| Grant date | Jan 4, 1977 |
| Priority date | — |
| Expiry date | Mar 18, 1996 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07D313/08
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
Compounds of the formula: ##STR1## are disclosed. In this structural formula X is ##STR2## and Y is hydrogen, lower alkyl, hydroxy, lower alkoxy, chloro, bromo or aryl. Included within the scope of this invention are tautomers of the above compound. These compounds and their tautomers are indicated in the management of allergic manifestations such as bronchial asthma.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.