N-(phenyl) or N-(phenylcyclopropyl)-2,5-dihydro-2-oxo-4[(substituted phenyl)amino]-3-furancarboxamide derivatives
US4625040A · kind A · utility
17Cited by
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12Claims
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Key dates
| Filing date | Mar 13, 1986 |
| Grant date | Nov 25, 1986 |
| Priority date | — |
| Expiry date | Mar 13, 2006 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61P37/08
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
Compounds which possess antiallergy activity have the formula: ##STR1## wherein R is selected from phenyl and phenyl mono or disubstituted with lower alkyl, nitro, halogenated methyl, halogen, lower alkoxy and combinations thereof; wherein R.sup.1 is selected from hydrogen and lower alkyl; and where R.sup.2 is selected from phenyl, phenyl monosubstituted with lower alkyl, nitro, halogenated methyl, halogen, and lower alkoxy, and trans-phenylcyclopropyl in which the phenyl group may be substituted with lower alkyl or halogen.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.