Derivatives of 5H, 10H-imidazo1, 2-a!indeno1,2-e!pyrazin-4-one, preparation thereof and medicaments containing them
US5677306A · kind A · utility
3Cited by
5References
8Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 31, 1995 |
| Grant date | Oct 14, 1997 |
| Priority date | — |
| Expiry date | Mar 31, 2015 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61P25/28
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
Compounds having the formula (I) wherein R and R.sub.1, similar or different, represent a hydrogen or halogen atom or a radical alkyl, alkoxy, amino, acylamino, phenylureido, --N.dbd.CH--N(R.sub.2)R.sub.3, nitro, imidazolyl, phenyl, SO.sub.3 H or cyano; R.sub.2 and R.sub.3 which may be similar or different, represent each an alkyl radical; the invention also relates to the salts of such compounds, their preparation, intermediates for preparing them and drugs containing them. ##STR1##
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.