Compounds of the formula I ** Formula ** wherein R1 represents [C (R3) 2] mHet 1 or [C (R3) 2] mAr ', R2 represents C (R3) (R4) Ar or C (R3) ( R4) Het, R3 represents H or A ', R4 represents [C (R3) 2] mOH or [C (R3) 2] mOA, R5 represents N (R3) 2, R6 represents H or Hal, Ar represents a non-phenyl substituted, or mono- or di-substituted by Hal, Ar 'represents an unsubstituted phenyl, or mono- or di-substituted by Hal and / or by (CH2) mCN, Het represents an unsubstituted aromatic mononuclear heterocycle, or mono- or substituted by Hal, with 1 to 4 atoms of N, O and / or S, Het1 represents an aromatic mononuclear heterocycle with 1 to 4 atoms of N, O and / or S, which may be unsubstituted or mono- or di- substituted by Hal, A, [C (R3) 2] mCOHet2, [C (R3) 2] mN (R3) 2 and / or [C (R3) 2] mHet2, Het2 represents a mononuclear or binuclear, aromatic, saturated heterocycle or unsaturated unsubstituted or mono- or disubstituted by A and / or OH, with 1 to 2 atoms of N and / or O, A represents an unbranched or branched alkyl with 1-10 C atoms, where 1 -7 H atoms can be replaced by F, Cl and / or Br, and / or where one or two noncontiguous CH groups and / or CH2 groups can be replaced by NR3 and / or O, or cyclic alkyl with 3-7 C atoms , A 'represents an unbranched or branched alkyl with 1-6 C atoms, where 1-5 H atoms can be replaced by F, Hal represents F, Cl, Br or I, m represents 0, 1, 2, 3 or 4.Compuestos de la fórmula I**Fórmula** en donde R1 representa [C(R3)2]mHet 1 o [C(R3)2]mAr', R2 representa C(R3)(R4)Ar o C(R3)(R4)Het, R3 representa H o A', R4 representa [C(R3)2]mOH o [C(R3)2]mOA, R5 representa N(R3)2, R6 representa H o Hal, Ar representa un fenilo no sustituido, o mono- o di- sustituido por Hal, Ar' representa un fenilo no sustituido, o mono- o di- sustituido por Hal y/o por (CH2)mCN, Het representa un heterociclo mononuclear aromático no sustituido, o mono-o di- sustituido por Hal, con 1 a 4átomos de N, O y/o S, Het1 representa un heterociclo mononuclear aromáti
