Quinazoline derivatives
US5801180A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Jul 31, 1997 |
| Grant date | Sep 1, 1998 |
| Priority date | — |
| Expiry date | Jul 31, 2017 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T74/18184
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
The present invention provides a nitrogenous heterocyclic compound represented by the following general formula (1) or a pharmacologically acceptable salt thereof which is useful for various ischemic heart diseases and the like: ##STR1## in formula (1), ring A represents a benzene ring, a pyridine ring or a cyclohexane ring; ring B represents a pyridine ring, a pyrimidine ring or an imidazole ring, R.sup.1, R.sup.2, R.sup.3 and R.sup.4 represent each a hydrogen atom, a halogen atom or a group such as a lower alkoxy group; R.sup.5 represents a group represented by the formula --NR.sup.11 R.sup.12 (wherein R.sup.11 and R.sup.12 represent each a hydrogen atom or a group such as a lower alkyl group) or the like; and R.sup.6 represents a group represented by the formula ##STR2## (wherein R.sup.19 represents a hydrogen atom, a lower alkyl group or the like; R.sup.20, R.sup.21 and R.sup.22 represent each a hydrogen atom, a halogen atom, a hydroxyl group or the like; and r represents 0 or an integer of 1 to 8)!.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.