(3,4-c)-Pyrido psoralens, process of preparation, application in cosmetology and therapeutics, and cosmetological and pharmaceutical composition with them
US4464354A · kind A · utility
11Cited by
1References
16Claims
0Family size
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Key dates
| Filing date | Feb 24, 1983 |
| Grant date | Aug 7, 1984 |
| Priority date | — |
| Expiry date | Feb 24, 2003 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61P37/08
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
Monofunctional psoralen derivatives having the general formula ##STR1## wherein R represents a hydrogen atom, a lower alkyl group having from 1 to 4 atoms, preferably a methyl radical, or a lower alkoxy radical having from 1 to 4 carbon atoms, preferably a methoxy radical are described. The derivatives are photobiologically active and are useful in photochemical therapy and in cosmetics.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.