| abstract |
This invention comprises the use of compounds of formula (I)wherein the dotted line represents an optional bond; X is oxygen or sulfur; R<1 >is hydrogen, C1-12alkyl, Ar<1>, Ar<2>C1-6alkyl, quinolinylC1-6alkyl, pyridylC1-6alkyl, hydroxyC1-6alkyl, C1-6alkyloxyC1-6alkyl, mono- or di(C1-6alkyl)aminoC1-6alkyl, aminoC1-6alkyl, or a radical of formula -Alk<1>-C(=O)-R<9>, -Alk<1>-S(O)-R<9 >or -Alk<1>-S(O)2-R<9>; R<2>, R<3 >and R<16 >each independently are hydrogen, hydroxy, halo, cyano, C1-6alkyl, C1-6alkyloxy, hydroxyC1-6alkyloxy, C1-6alkyloxy C1-6alkyloxy, aminoC1-6alkyloxy, mono- or di(C1-6alkyl)aminoC1-6alkyloxy, Ar<1>, Ar<2>C1-6alkyl, Ar<2>oxy, Ar<2>C1-6alkyloxy, hydroxycarbonyl, C1-6alkyloxycarbonyl, trihalomethyl, trihalomethoxy, C2-6alkenyl; R<4 >and R<5 >each independently are hydrogen, halo, Ar<1>, C1-6alkyl, hydroxyC1-6alkyl, C1-6alkyloxyC1-6alkyl, C1-6alkyloxy, C1-6alkylthio, amino, hydroxycarbonyl, C1-6alkyloxycarbonyl, C1-6alkylS(O)C1-6alkyl or C1-6alkylS(O)2C1-6alkyl; R<6 >and R<7 >each independently are hydrogen, halo, cyano, C1-6alkyl, 4,4-dimethyl-oxazolyl, C1-6alkyloxy or Ar<2>oxy; R<8 >is hydrogen, C1-6alkyl, cyano, hydroxycarbonyl, C1-6alkyloxycarbonyl, C1-6alkylcarbonylC1-6</PDA |