QUINOXALINES, A PROCESS FOR THEIR PREPARATION, AND THEIR USE

摘要

Disclosed are quinoxalinone compounds of the formula I or Ia <IMG> (Ia) <IMG> and physiologically tolerated salts and prodrugs thereof, in which n = zero, one or two; R1 = fluorine, chlorine, hydroxyl or C1-C3-alkoxy; R2 = C1-C4-alkyl which is unsubstituted or is substituted by hydroxyl, C1-C4-alkoxy or C1-C4-alkylthio; R3= C1-C6-alkyloxycarbonyl or C2-C6-alkenyloxycarbonyl, and X = oxygen, sulfur or selenium, a process for their preparation and pharmaceutical compositions containing the compounds.