Patent ID: 6080782
Filing Date: 2000-06-27
Classification: A61P,C07D,Y10S

Abstract:
A compound of formula I in whichR1 is 1-6C-alkoxy, 3-7C-cycloalkoxy, 3-7C-cycloalkylmethoxy, benzyloxy or 1-4C-alkoxy which is completely or partially substituted by fluorine,R2 is 1-4C-alkyl andR3 is hydrogen or 1-4C-alkyl, orR2 and R3, together and including the two carbon atoms to which they are bonded, are a 5-, 6- or 7-membered hydrocarbon ring, if desired interrupted by an oxygen atom,R4 is hydrogen, cyano, carboxyl, 1-4C-alkoxycarbonyl or nitro and5 is hydroxyl, carboxyl, 1-4C-alkoxycarbonyl, amino, mono- or di-1-4C-alkylamino, 1-4C-alkylcarbonylamino, 1-4C-alkylsulphonylamino, trifluoromethylsulphonylamino or cyanoamino,or a salt thereof.