Certain oxo-pyrrolo 1,4-dihydropyridines as antiallergy and antiinflammatory agents
US4992447A · kind A · utility
0Cited by
0References
6Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 8, 1989 |
| Grant date | Feb 12, 1991 |
| Priority date | — |
| Expiry date | May 8, 2009 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07D401/12
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
Compounds of the formula ##STR1## where R.sup.1 is lower alkyl, R.sup.2 is chlorophenyl, Y is alkylene, X is heterocyclic and Z is a fused ring are useful as antiinflammatory and antiallergy agents.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.