申请人:Astra Aktiebolag
公开号:US05883129A1
公开(公告)日:1999-03-16
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 and alkyl; X and Y are the same or different and selected from alkoxy, aryloxy, alkyl, alkylthio, arylthio, fluoroalkyl, halogen, cyano, OCF.sub.3 and SCF.sub.3 with the proviso that the compound of formula I wherein R.sub.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)的新衍生物,其通式为I:其中R1和R2相同或不同,选择自H和烷基;X和Y相同或不同,选择自烷氧基、芳氧基、烷基、烷基硫醚、芳基硫醚、氟烷基、卤素、氰基、OCF3和SCF3,但式I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,3-HAO是产生内源性神经毒素喹诺酸(QUIN)的原因。