Alkali metal 2,5-dihydro-3-ethoxycarbonyl-2-[(substituted phenyl)amino]-4-furanyloxides
US4730063A · kind A · utility
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7Claims
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Key dates
| Filing date | Dec 5, 1986 |
| Grant date | Mar 8, 1988 |
| Priority date | — |
| Expiry date | Dec 5, 2006 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07D307/68
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
Alkali metal 2,5-dihydro-3-ethoxycarbonyl-2-[(substituted phenyl)amino]-4-furanyloxides are useful as anti-allergy agents.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.