Quinone derivatives
US5329010A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Feb 25, 1992 |
| Grant date | Jul 12, 1994 |
| Priority date | — |
| Expiry date | Feb 25, 2012 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07D213/55
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
The present invention is a quinone derivative which exhibits excellent therapeutic activity represented by the general formula (I) or a pharmacologically acceptable salt thereof: ##STR1## wherein A stands for a group represented by the formula: ##STR2## (wherein R.sup.3, R.sup.4 and R.sup.5 is the same or different from each other and each stand for a hydrogen atom, a hydroxyl group, a lower alkyl group, a lower alkoxy group, an alkoxyalkyl group, an alkoxyalkoxy group, a cycloalkylalkoxy group, a thiol group or a thioalkyl group, with the proviso that R.sup.3 and R.sup.4 are each a lower alkoxy group PA0 R.sup.1 stands for a heteroarylalkyl group; and PA0 B stands for a carboxyl group or a protected carboxyl group.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.