申请人:Vacher Bernard
公开号:US20080234499A1
公开(公告)日:2008-09-25
The invention relates to preparing derivatives of formula (1), wherein, in particular R
1
and R
2
, identical or different, represent a hydrogen, flourine or chlorine atom, a hydroxy group, an alkyl radical and an alkoxy radical, R
3
is an alkyl radical, a hydroxy group, or a methoxy radical, R
4
is a hydrogen atom or a methyl radical and R
5
and R
6
, 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).
该发明涉及制备式(1)的衍生物,其中,特别是R1和R2,相同或不同,代表氢、氟或氯原子、羟基、烷基基团和烷氧基团,R3是烷基基团、羟基或甲氧基团,R4是氢原子或甲基基团,R5和R6,相同或不同,代表氢原子、烷基基团、烷氧基团、烷硫基团和烷基氨基团。该创新方法在于还原式(9)的酰胺。