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 is hydrogen, C alkyl, Ar , Ar C alkyl, quinolinylC alkyl, pyridylC alkyl, hydroxyC alkyl, C alkyloxyC alkyl, mono- or di(C alkyl)aminoC alkyl, aminoC alkyl, or a radical of formula âAlk âC( O)âR , âAlk âS(O)âR or âAlk âS(O) âR ; R , R and R each independently are hydrogen, hydroxy, halo, cyano, C alkyl, C alkyloxy, hydroxyC alkyloxy, C alkyloxy C alkyloxy, aminoC alkyloxy, mono- or di(C alkyl)aminoC alkyloxy, Ar , Ar C alkyl, Ar oxy, Ar C alkyloxy, hydroxycarbonyl, C alkyloxycarbonyl, trihalomethyl, trihalomethoxy, C alkenyl; R and R each independently are hydrogen, halo, Ar , C alkyl, hydroxyC alkyl, C alkyloxyC alkyl, C alkyloxy, C alkylthio, amino, hydroxycarbonyl, C alkyloxycarbonyl, C alkylS(O)C alkyl or C alkylS(O) C alkyl; R and R each independently are hydrogen, halo, cyano, C alkyl, 4,4-dimethyl-oxazolyl, C alkyloxy or Ar oxy; R is hydrogen, C alkyl, cyano, hydroxycarbonyl, C alkyloxycarbonyl, C alkylcarbonylC alkyl, cyanoC alkyl, C alkyloxycarbonylC alkyl, carboxyC alkyl, hydroxyC alkyl, aminoC alkyl, mono- or di(C alkyl)aminoC alkyl, imidazolyl, haloC alkyl, C alkyloxyC alkyl, aminocarbonylC alkyl, or a radical of formula âOâR , âSâR , âNâR R ; R is hydrogen, halo, cyano, C alkyl, C alkyloxycarbonyl, Ar ; R is hydrogen, C alkyl, C alkyloxy or halo; R is hydrogen or C alkyl; for the manufacture of a medicament to inhibit smooth muscle cell proliferation.