Halogenated pyrimidine 3-oxide derivatives, their use for the treatment and prevention of hair loss and for stimulating its regrowth
US5132106A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Jul 12, 1990 |
| Grant date | Jul 21, 1992 |
| Priority date | — |
| Expiry date | Jul 12, 2010 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07D239/48
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
The invention relates to compounds of formula: ##STR1## in which: R.sub.1 and R.sub.2 denote, independently of one another, a hydrogen atom or alternatively a carbamoyl group of formula: ##STR2## with R'.sub.3 denoting hydrogen or R.sub.3 ; an alkoxycarbonyl group of formula: ##STR3## or an acyl group of formula: ##STR4## in which formulae R.sub.3 denotes an alkyl, alkenyl or cycloalkyl radical; R.sub.3 can also denote an aryl or aralkyl radical; and PA1 R denotes a linear or braanched C.sub.1 -C.sub.8 alkyl radical substituted with one or more halogen atoms, and to their use for the treatment and prevention of hair loss and for stimulating its regrowth.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.