The present invention relates to novel derivatives of 3-hydroxyanthranilic acid, 3-HANA, of the general formula I ##STR1## wherein R.sup.1 and R.sup.2 are the same or different and selected from H, alkyl, aryl and arylalkyl; X and Y are the same or different and selected from alkoxy, aryloxy, alkyl, alkylthio, arylthio, fluoroalkyl, halogen, cyano, OSO.sub.2 CH.sub.3, OSO.sub.2 CF.sub.3, OCF.sub.3 and SCF.sub.3 with the proviso that the compound of formula I wherein R.sup.1 and R.sup.2 =H, X=Br and Y=Me is excluded; or a pharmaceutically acceptable salt thereof, methods and intermediates for their preparation, novel pharmaceutical compositions and the use thereof for inhibiting the enzyme 3-hydroxyanthranilate oxygenase, 3-HAO, responsible for the production of the endogenous neurotoxin quinolinic acid, QUIN.
本发明涉及3-羟基
蒽醌酸(3-HANA)的新型衍
生物,其
化学式为I式:其中,R1和R2相同或不同,选择自H、烷基、芳基和芳基烷基;X和Y相同或不同,选择自烷氧基、芳氧基、烷基
硫基、芳基
硫基、氟烷基、卤素、
氰基、OSO2CH3、OSO2CF3、OCF3和SCF3,但化合物I式中R1和R2=H,X=Br和Y=Me的化合物被排除;或其药学上可接受的盐,其制备方法和中间体,新型药物组合物以及用于抑制3-羟基
蒽醌酸氧化酶(3-HAO)的酶活性,该酶活性负责产生内源性神经毒素喹诺酸(QUIN)的用途。