Quinolinone derivatives and their preparation in therapy
US4983607A · kind A · utility
25Cited by
2References
8Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 10, 1989 |
| Grant date | Jan 8, 1991 |
| Priority date | — |
| Expiry date | Oct 10, 2009 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07D401/12
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
A quinolinone derivative which is a compound of formula (I): ##STR1## in which: R.sub.1 and R.sub.2 are each, independently of one another, a hydrogen or halogen atom or a (C.sub.1-4)alkyl radical; PA0 R.sub.3 is a hydrogen atom or a (C.sub.1-4)alkyl radical; PA0 R.sub.4 is an unsubstituted or substituted naphthyl, tetrahydronaphthyl, benzyl, phenyl, pyridyl, isoquinolyl or benzoyl radical; and X and Y are each a hydrogen atom or together form a bond; or a pharmaceutically acceptable acid addition salt thereof and, when X and Y are each a hydrogen atom, the diastereoisomers and enantiomers thereof.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.