N-hydroxyurea derivatives as antiallergy and antiinflammatory agents
US5464849A · kind A · utility
1Cited by
1References
12Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 5, 1994 |
| Grant date | Nov 7, 1995 |
| Priority date | — |
| Expiry date | Oct 5, 2014 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07D277/28
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
Compounds of formula I ##STR1## or salts thereof, where R is alkyl, phenyl, phenoxy or substituted phenyl and phenoxy; X is S or O; n is an integer of 1 or 2; A is --CH.sub.2 -- or --CH(CH.sub.3)--; and B is hydrogen or methyl, useful as antiallergy and antiinflammatory agents.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.