Bis-basic ethers of 2,6- and 2,7-dihydroxyanthraquinones
US3974186A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Sep 5, 1973 |
| Grant date | Aug 10, 1976 |
| Priority date | — |
| Expiry date | Sep 5, 1993 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07C46/00
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
Disclosed are novel compounds and pharmaceutical formulations having antiviral activity. The disclosed compounds have the formula ##SPC1## Wherein one R.sup.2 is a hydrogen atom and the other R.sup.2 is the radical ##SPC2## A is a straight chain alkylene group having 2 or 3 carbon atoms and each R.sup.3 and R.sup.4 is a hydrogen atom, an alkyl radical having 1 to 3 carbon atoms or each set of R.sup.3 and R.sup.4 taken together with the nitrogen atom to which they are attached is a saturated monocyclic heterocyclic group. Also included are the acid addition salts of these bases. These compounds may be prepared by various methods which are described.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.