Cardiotonic quinazoline derivatives
US4668683A · kind A · utility
8Cited by
3References
7Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 20, 1986 |
| Grant date | May 26, 1987 |
| Priority date | — |
| Expiry date | Mar 20, 2006 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07D487/04
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
Quinazoline derivatives and their pharmaceutically acceptable acid addition salts having the general formula ##STR1## wherein R.sup.1 and R.sup.2 each represents hydrogen or alkyl; PA1 R.sup.3 represents alkyl or substituted alkyl; PA1 R.sup.7 and R.sup.8 each represent alkoxy; PA1 Z is oxygen or sulfur; PA1 m is zero or 1; PA1 n is zero or an integer from 1 to 5, exhibit a cardiotonic activity with little tendency to cause tachycardia.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.