Novel derivatives of ureylene, 2,4-triaminopyrimidine-3- oxide, their preparation and use in cosmetic and pharmaceutical compositions
US4945093A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Jul 29, 1988 |
| Grant date | Jul 31, 1990 |
| Priority date | — |
| Expiry date | Jul 29, 2008 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07D239/50
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
A compound having formula: ##STR1## is described, where R.sub.3 and R.sub.4 may be identical or different and represent a hydrogen atom, alkyl, alkenyl, cycloalkyl; PA0 or R.sub.3 and R.sub.4 represent aryl aralkyl; PA0 or R.sub.3 and R.sub.4 together with the nitrogen atom linked thereto form a heterocycle; PA0 R.sub.1 and/or R.sub.2, independent of each other, represent hydrogen or carbanoyl having formula: ##STR2## where R.sub.7 represents alkyl, alkenyl, cycloalkyl, aryl or aralkyl. The compounds of formula (I) can be used in cosmetic or pharmaceutical compositions for the cosmetic treatment of hair, the treatment of alopecia, and also for the treatment of desquamating dermatitis.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.