Patent ID: 7638521

Claim:
A compound of the formula (I) wherein, R1 is hydrogen or alkyl having 1, 2, 3, 4, 5 or 6 carbon atoms, R2 is hydrogen or alkyl having 1, 2, 3, 4, 5 or 6 carbon atoms, halogen, alkoxy having 1, 2, 3, 4, 5 or 6 carbon atoms or OH, R3 is hydrogen or alkyl having 1, 2, 3, 4, 5 or 6 carbon atoms, halogen, alkoxy having 1, 2, 3, 4, 5 or 6 carbon atoms or OH, Ar is 7H-pyrrolo-[2,3-d]-pyrimidine, which may be linked via any of its positions and which is substituted in at least one of its positions by alkyl having 1, 2, 3, 4, 5 or 6 carbon atoms, halogen, nitro, NRaRb, alkylcarbonylamino having 1, 2, 3 or 4 carbon atoms, hydroxyl, alkoxy having 1, 2, 3, 4, 5 or 6 carbon atoms, S(O) n R4, CO 2 H, alkoxycarbonyl having 1, 2, 3, 4, 5 or 6 carbon atoms, alkylcarbonyl having 1, 2, 3, 4, 5 or 6 carbon atoms, CONRaRb, CN, polyfluoroalkyl having 1, 2, 3 or 4 carbon atoms, polyfluoroalkoxy having 1, 2 or 3 carbon atoms or SO 3 H, n=0, 1 or 2, Ra and Rb are independently of each other hydrogen, linear or branched alkyl having 1, 2, 3, 4, 5 or 6 carbon atoms or Ra and Rb form, together with the nitrogen atom to which they are attached, a 5- or 6-membered heterocycle, which may optionally contain another hetero atom chosen from O, S and N, R4 is alkyl having 1, 2, 3, 4, 5 or 6 carbon atoms, alkylamino having 1, 2, 3, 4, 5 or 6 carbon atoms or NH 2 , or a racemic mixture, enantiomer, diastereomer, or tautomer of such compound, or a mixture thereof, or a pharmaceutically acceptable salt of such compound, racemic mixture, enantiomer, diastereomer, tautomer, or mixture.