Use of thiadiazoleurea derivatives

Use of one or more of the compounds of the formula I

• in which
• Ar1 denotes phenyl, naphthyl, biphenyl or Het, each of which is unsubstituted or mono-, di-, tri-, tetra- or pentasubstituted by R1,
• Ar2 denotes phenyl, naphthyl, biphenyl or Het, each of which is unsubstituted or mono-, di-, tri-, tetra- or pentasubstituted by R2,
• Y denotes O, S, CH—NO2, C(CN)2 or N—R4,
• Z denotes —O—, —S—, —CH2—(CH2)n—, —(CH2)n—CHA-, —CHA-(CH2)n—, —C(═O)—, —CH(OH)—, —(CHA)nO—, —(CH2)nO—, —O(CHA)n-, —O(CH2)n—, —(CH2)nS—, —S(CH2)n—, —(CH2)nNH—, —NH(CH2)n—, —(CH2)nNA-, —NA(CH2)n—, —CHHal- or —C(Hal)2-,
• Het denotes a mono- or bicyclic aromatic heterocycle having 1 to 4 N, O and/or S atoms,
• R1, R2, independently of one another, denote A, Ar′, OR3, SR3, OAr′, SAr′, N(R3)2, NHAr′, Hal, NO2, CN, (CH2)nCOOR3, (CH2)nCON(R3)n, COR3, S(O)mA, S(O)mAr′, NHCOA, NHCOAr′, NHSOmA, NHSOOmAr′, SOmN(R3)2, —O—(CH2)n—N(R3)2, O(CH2)nNHR3, O(CH2)nNA2, O(CH2)nC(CH3)2(CH2)nN(R3)2, NH(CH2)n(CH3)2(CH2)nN(R3)2, O(CH2)nN(R3)SOmA, O(CH2)nN(R3)SOmN(R3)A, O(CH2)nN(R3)SOmAr′, (CH2)nN(R3)SOmA, (CH2)nN(R3)SOmN(R3)A, (CH2)nN(R3)SOmAr′, O(CH2)nSOmA, O(CH2)nSOmN(R3)A, O(CH2)nSOmAr′, (CH2)nSOmA, (CH2)nSOmN(R3)A, (CH2)nSOmAr′, —NH—(CH2)n—NH2, —NH—(CH2)n—NHA, —NH—(CH2)n—NA2, —NA-(CH2)n—NH2, —NA-(CH2)n—NHA, —NA-(CH2)n—NA2, —O—(CH2)n-Het1 or Het1,
• R3 denotes H, A or (CH2)nAr′,
• R4 denotes H, CN, OH, A, (CH2)mAr′, COR3, COAr′, S(O)mA or S(O)mAr′,
• Ar′ denotes phenyl which is unsubstituted or mono-, di-, tri-, tetra- or pentasubstituted by A, Ph, OH, OA, SH, SA, OPh, SPh, NH2, NHA, NA2, NHPh, Hal, NO2, CN, (CH2)nCOOH, (CH2)nCOOA, (CH2)nCONH2, (CH2)nCONHA, CHO, COA, S(O)mA, S(O)mPh, NHCOA, NHCOPh, NHSO2A, NHSO2Ph or SO2NH2,
• Ph denotes phenyl which is unsubstituted or mono-, di- or trisubstituted by A, Hal, CN, COOR, COOH, NH2, NO2, OH or OA,
• Het1 denotes a monocyclic saturated heterocycle having 1 to 4 N, O and/or S atoms, which may be unsubstituted or mono-, di- or trisubstituted by Hal, A, OA, CN, (CH2)nOH, (CH2)nHal, NH2, ═NH, ═N—OH, ═N—OA and/or carbonyl oxygen (═O),
• A denotes alkyl having 1 to 10 C atoms, where 1-7 H atoms may also be replaced by F and/or chlorine,
• Hal denotes F, Cl, Br or I,
• n denotes 0, 1, 2, 3, 4 or 5,
• m denotes 0, 1 or 2,
• and pharmaceutically usable derivatives, solvates, salts and stereoisomers thereof, including mixtures thereof in all ratios, for the preparation of a medicament for the prophylaxis and/or treatment of diseases in which the inhibition, regulation and/or modulation of kinase signal transduction plays a role.