申请人:Pierre Fabre Medicament
公开号:US07902381B2
公开(公告)日:2011-03-08
The invention relates to preparing derivatives of formula (1), wherein, in particular R1 and R2, identical or different, represent a hydrogen, flourine or chlorine atom, a hydroxy group, an alkyl radical and an alkoxy radical, R3 is an alkyl radical, a hydroxy group, or a methoxy radical, R4 is a hydrogen atom or a methyl radical and R5 and R6, 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).
本发明涉及制备式(1)的衍生物,其中特别是R1和R2,相同或不同,表示氢、氟或氯原子、羟基、烷基和烷氧基,R3是烷基、羟基或甲氧基,R4是氢原子或甲基基团,R5和R6,相同或不同,表示氢原子、烷基、烷氧基、烷硫基和烷基氨基基团。本发明方法包括还原式(9)的酰胺。