Pierre Fabre Medicament

Florence Castan-Cuisiat

Bernard Vacher

Yves Brunel

The invention relates to preparing derivatives of formula (1), wherein, in particular Rand R, identical or different, represent a hydrogen, flourine or chlorine atom, a hydroxy group, an alkyl radical and an alkoxy radical, Ris an alkyl radical, a hydroxy group, or a methoxy radical, Ris a hydrogen atom or a methyl radical and Rand R, identical or different, represent a hydrogen atom, an alkyl radical, an alkoxy radical, an alkylthio radical, and an alkylamino radical. The inventive method consists in reducing an amid of formula (9). 

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Castres, France

Florence Castan-Cuisiat