Novel 1-phthalazone derivative, a process for its preparation and a pharmaceutical composition containing it
US3963716A · kind A · utility
Inventors
Key dates
| Filing date | Sep 10, 1974 |
| Grant date | Jun 15, 1976 |
| Priority date | — |
| Expiry date | Sep 10, 1994 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07D307/89
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
A pharmaceutically active phthalzone derivative of the following formula ##SPC1## Wherein each of R.sub.1 and R.sub.2 is a member selected from the group consiting of alkyl of from 1 to 3 carbon atoms; R.sub.3 is a member selected from the group consiting of alkyl of from 1 to 5 carbon atoms with the proviso that R.sub.3 can form together with R.sub.2 a member selected from the group consiting of methylene, methyl-substituted and ethyl-substituted methylene. This compound is effectie for treating hypertension, thrombosis and athroscllerosis. A process for its preparation and a pharmaceutical composition containing it are also provided.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.