Acylbenzoxazolinones compounds
US5147883A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | May 31, 1991 |
| Grant date | Sep 15, 1992 |
| Priority date | — |
| Expiry date | May 31, 2011 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07D413/06
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
Compounds of general formula (I): ##STR1## in which: R.sub.1 represents a hydrogen atom or a lower alkyl group, A represents a hydrogen atom, and in this case B represents a group CO-G, G being: PA1 either a heteroaryl group selected from furan, indole, pyrrole, pyridine, quinoline, isoquinoline and benzofuran, optionally substituted with one or more lower alkyl or lower alkoxy groups or a halogen atoms, PA1 or a linear or branched lower alkyl group substituted with a carboxyl group, PA1 or a linear or branched lower alkenyl group substituted with a carboxyl group, PA1 or a phenyl or naphthyl group substituted with a carboxyl group, PA1 or alternatively A forms with B a group CO(CH.sub.2).sub.n CH(CH.sub.3) with n being a integer equal to 1, 2, 3 or 4, the CO group being attached to the aromatic ring of the benzoxazolinone at the 5- or 6-position, PA1 as well as, where appropriate, their isomers and, when the compound of formula (I) possesses a carboxylic acid group, their addition salts with a pharmaceutically acceptable base, and, when the compound of formula (I) contains a basic group, their addition salts with a pharmaceutically acceptable acid, it being understood that lower a…
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.