Substituted 1,8-dihydroxy-9-(10H)anthracenones
US4327114A · kind A · utility
6Cited by
5References
9Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 8, 1981 |
| Grant date | Apr 27, 1982 |
| Priority date | — |
| Expiry date | Jan 8, 2001 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07C45/71
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
Compounds of the formula ##STR1## wherein R.sub.1, R.sub.2, R.sub.3 and R.sub.4, which may be identical to or different from each other, are each hydrogen, halogen, branched alkyl of 3 to 12 carbon atoms or cycloalkyl of 3 to 12 carbon atoms, provided, however, that at least one of R.sub.1 to R.sub.4 is other than hydrogen; the compounds are useful as dermatologics for the treatment of psoriasis, dandruff, ichthyosis and hyperkeratotic skin conditions.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.