Compounds presenting the general formula (I): ** Formula ** in which: R1 represents: Hydrogen； C1-C6 alkyl； COR5； SO2R5； CO (CH2) mR6； CO (CH2) mOR6； (CH2) mR6； (CH2) mCONR7R8； (CH2) nNR7R8； (CH2) NOR6； CHR7OR9； (CH2) mR10 m represents: 1 to 6 n represents: 2 to 6 R2 represents: - a phenyl substituted with one or more groups selected from a halogen, C1-C6 alkyl, CN, OH, CF3, OCF3, SMe, COMe , CMe (OH) CF3, CH (OH) CF3, COOR7, CONR7R11； - a naphthyl, 1,2,3,4-tetrahydro-naphthalene, biphenyl, phenyl pyridine or a different indole heterocycle, in the case where R1, R4 and R'4 represent a hydrogen, either unsubstituted or substituted with one or more groups selected from a halogen or C1-C6 alkyl, CN, OH, CF3, OCF3, OMe, SMe； - a cycloalkyl, or unsubstituted or substituted with OH, CONH2, SO2Me, SO2NH2； with the proviso that: - the R2 group is always attached to the carbonyl through a carbon atom； - when R2 is a phenyl, the COOR7 substituent is never in position 4 in relation to carbonyl； R3 represents: methyl or ethyl； R4 and R'4, identical or different, represent: hydrogen； halogen； C1-C6 alkyl； CN； CF3； OCF3； SMe； OMe； NR7R8； SO2Me； R5 represents: C1-C6 alkyl； phenyl, or unsubstituted or substituted with one or more groups selected from halogen, C1-C6 alkyl, CN, OH, CF3, OCF3, SMe； a naphthyl, or unsubstituted or substituted with one or more groups selected from halogen or C1-C6 alkyl, CN, OH, CF3, OCF3, SMe； a cycloalkyl, either unsubstituted or substituted with a CONH2, SO2Me, SO2NH2； heteroaryl, or unsubstituted or substituted with one or more groups selected from halogen, C1-C6 alkyl, CN, OH, CF3, OCF3, SMe； R6 represents: hydrogen； C1-C6 alkyl； phenyl, or unsubstituted or substituted with one or more groups selected from halogen, C1-C6 alkyl, CN, OH, CF3, OCF3, SMe； a naphthyl or heterocycle, or unsubstituted or substituted with one or more groups selected from halogen or C1-C6 alkyl, CN, OH, CF3, OCF3, SMe； a cycloalkyl, or unsubstituted or substituted with CONH
