Disclosed are quinoxalinone compounds of the formula I or Ia ##STR1## and physiologically tolerated salts and prodrugs thereof, in which n=zero, one or two; R.sup.1 =fluorine, chlorine, hydroxyl or C.sub.1 -C.sub.3 -alkoxy; R.sup.2 =C.sub.1 -C.sub.4 -alkyl which is unsubstituted or is substituted by hydroxyl, C.sub.1 -C.sub.4 -alkoxy or C.sub.1 -C.sub.4 -alkylthio; R.sup.3 =C.sub.1 -C.sub.6 -alkyloxycarbonyl or C.sub.2 -C.sub.6 -alkenyloxycarbonyl, and X=oxygen, sulfur or selenium, a process for their preparation and pharmaceutical compositions containing the compounds.
本发明涉及式I或Ia的
喹喔啉酮化合物及其生理耐受的盐和前药,其中n为零,一或二;R1为
氟,
氯,羟基或C1-C3-烷氧基;R2为未取代的C1-C4-烷基或被羟基,C1-C4-烷氧基或C1-C4-烷基
硫代取代的C1-C4-烷基;R3为C1-C6-烷氧羰基或C2-C6-烯氧羰基,X为氧,
硫或
硒,其制备方法以及含有这些化合物的药物组合物。