(aza)indole derivative substituted in position 5, pharmaceutical composition comprising it, intermediate compounds and preparation process therefor

An intermediate compound represented by formula (III)

• wherein
• G1, G2, and G3, which may be identical or different, are a nitrogen atom or a CH group;
• R1 is a (C1-C6)alkyl, (C3-C7)cycloalkyl, (C1-C6)alkylORI, (CH2)CONRIIRIII, (CH2)nCORI, (CH2)nCOORII, (CH2)nOCORI, SO2RI, (CH2)nNRIISO2RI, or (CH2)nSO2RI group, optionally substituted with 1 to 3 hydroxy groups, wherein n is an integer from 1 to 6, RI is a (C1-C3)alkyl, or (C1-C3)alkylOH group, and RII and RIII, which may be identical or different, are a hydrogen atom or a (C1-C3)alkyl group;
• W is a σ bond, or a (C1-C6)alkyl, (C2-C6)alkenyl, O(C1-C6)alkyl, O(C2-C6)alkenyl, C(O)NH, (CH2)pCO(CH2)qi or (CH2)pC(OH)(CH2)q group, wherein p and q, which may be identical or different, are an integer from 0 to 3;
• and
• R2 is a phenyl, pyridyl, or (C4-C7)cycloalkyl group, optionally substituted with 1 to 3 substituents, which may be identical or different, represented by L-M-, wherein L is a σ bond, or a (C1-C6)alkyl, (C2-C6)alkenyl, (C2-C6)alkinyl, O(C1-C6)alkyl, O(C2-C3)alkenyl, or O(C2-C6)alkinyl group, and M is a hydrogen or halogen atom, or a OH, CF3, NO2, CN, COORII, SO2NHRII, CH2CONRIIRIII, NRIIRIII, SO2RIV, NHSO2RIV, PORIVRV, or OPORIVRV group, wherein RII and RIII, which may be identical or different, have the meaning above, and RIV and RV, which may be identical or different, are a (C1-C3)alkyl group,
• provided that
• when G1, G2, and G3 are all a CH group, R1 is a (C1-C6)alkyl or (C3-C7)cycloalkyl group, optionally substituted with 1 to 3 hydroxy groups, W is a σ bond, and the bond between the carbon atoms in the 2 and 3 position is a double bond, then
• R2 is not a phenyl or pyridyl group, optionally substituted with 1 to 3 substituents, which may be identical or different, selected from the group consisting of a halogen, (C1-C6)alkyl optionally substituted with a hydroxy group, trifluoromethyl, nitro, amino, di(C1-C3)alkylamino, hydroxy, (C1-C3)alkoxy, COOH, COORII, SO2CH3, SO2NHCH3, NHSO2CH3, PORIVRV, OPORIVRV, (C1-C6)alkyl-COOH, and (C2-C6)alkenyl-COOH;
• and provided that
• when G1 is N, and G2 and G3 are a CH group, then
• R2 is not a divalent aromatic group substituted with one L-M group represented by O(C1-C6)alkyl, O(C2-C6)alkenyl, or O(C2-C6)alkinyl group.