The invention relates to pyrrolo[2,3b]-pyrazine derivatives having the general Formula (I) wherein R2 and R3 are identical or different and represent H, C1-C6 alkyl, said alkyl being a straight or branched-chain alkyl, which can be substituted, R6 is an optionally substituted aromatic cycle Ar or a cycloalkyl, said cycloalkyl being optionally substituted by an aryl group which can also be substituted, R7 is H, C1-C6 alkyl, (alk.)n-hal., CH2-CH═CH2, CH2-cycloalkyl, CH2-Ar, with “alk.” being a C1-C6 alkylene group, n being 1-6, Z is H or CH3. Application as active principle of pharmaceutical compositions, particularly for treating or preventing neurodegenerative disorders and proliferative disorders.
