Carbostyril derivatives
US5006528A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Oct 20, 1989 |
| Grant date | Apr 9, 1991 |
| Priority date | — |
| Expiry date | Oct 20, 2009 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07D215/227
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
A novel carbostyril derivative and salt thereof represented by the formula (1) ##STR1## (wherein R is a group of the formula ##STR2## ((wherein R.sup.1 is a C.sub.1- C.sub.3 alkoxy group)), a group of the formula ##STR3## ((wherein R.sup.2 and R .sup.3 are each, at the same time, a chlorine atom, a bromine atom; and R.sup.4 is a hydrogen atom or a chlorine atom)), 2-methyl-3-nitrophenyl group, 3,5-dichlorophenyl group, or a group of the formula ##STR4## ((wherein R.sup.5 is a chlorine atom or a bromine atom; and R.sup.6 is a methyl group)); the carbon-carbon bond between 3- and 4-position in the carbostyril skeleton is a single or double bond).
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.