Spirobenzofuranone compounds
US4284644A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Jan 25, 1980 |
| Grant date | Aug 18, 1981 |
| Priority date | — |
| Expiry date | Jan 25, 2000 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07D493/10
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
Novel spiro compounds of the formula: ##STR1## wherein Ring A represents a benzene ring or a naphthalene ring, said rings being unsubstituted or substituted by at least one of lower alkyl, nitro, halogen, amino which may optionally be substituted, hydroxyl which may optionally be substituted, acyl, sulfamoyl, carboxyl, lower alkoxycarbonyl, carbamoyl which may optionally be substituted, ureido which may optionally be substituted, thioureido which may optionally be substituted, lower alkylthio, lower alkylsulfinyl, lower alkylsulfonyl, aminomethyl which may optionally be substituted, cyano and phenyl, have gastric secretion inhibitive, anti-inflammatory and analgesic activities, and are of value as drugs.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.