| abstract |
The invention concerns compounds of formula (I) in which R1 represents a hydrogen atom or a linear or branched (C1-C4) alkyl group; R2 represents a linear or branched (C1-C6) alkyl, cyclo(C3-C7) alkyl or cyclo(C3-C7)alkyl(C1-C5) alkyl group; R3 represents a -OR4, -O(CH2)nNR5R6, -NHC(NH)NH2, -NHC(NH)N(CH3)2, -NR5R6, -NR5(CH2)nNR6R7 group, a group (a), X being selected among the oxygen and sulphur atoms and the -CHR8, -NR8, -SO- and -SO2- groups; R4, R5, R6, R7 and R8 being a hydrogen atom, a linear or branched (C1-C6)alkyl, cyclo (C3-C7)alkyl, cyclo(C3-C7)alkyl(C1-C5)alkyl, phenyl, phenyl(C1-C6)alkyl or heteroaryl group; m = 1 or 2 and n = 2, 3 or 4. The invention is applicable in therapy. |