Hydroquinonlyphenyl butyric acid amide derivative
US4889853A · kind A · utility
2Cited by
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6Claims
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Key dates
| Filing date | Jul 8, 1988 |
| Grant date | Dec 26, 1989 |
| Priority date | — |
| Expiry date | Jul 8, 2008 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07D405/12
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
A hydroquinonylphenyl butyric acid amide derivative having the formula (I): ##STR1## wherein R.sup.1 represents an aromatic or heterocyclic group which may be substituted, R.sup.2 represents a hydrogen atom, a lower alkylcarbonyl group, an aromatic carbonyl or heterocyclic carbonyl group which may be substituted, and X represents an oxygen atom or sulfur atom or a pharmaceutically acceptable salt thereof, which has a cerebral insufficiency improving activity.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.