| abstract |
The invention concerns a compound of general formula (I) wherein: R1 represents a hydrogen atom, a halogen, a C1-C4 alkoxyl, methyl, hydroxy or amino group; R2 represents -(CH2)2-OH or-CH2-C(O)OH when R3 represents a hydrogen atom, or R2 represents a hydrogen atom when R3 represents (CH2)2-OH or -CH2-C(O)OH, or R2 and R3 are bound to form one of the cycles represented by (a) and (b); X represents an oxygen atom, a -NH- or- N(C1-C4 alkyl)-group; and A is a group of formula (B) or (C). The invention is applicable in therapeutics. |