Novel 4-alkylsubstituted-3-hydroxy-3-pyrroline-2,5-diones of the formula
wherein R is a straight or branched chain alkyl group having from 6 to 16 carbon atoms or pharmaceutically acceptable salts thereof, are disclosed which inhibit glycolic acid oxidase and thus are useful in the treatment and prevention of calcium oxalate kidney stone formation. A novel process for their preparation is also disclosed.
本发明公开了新型 4-烷基取代-3-羟基-
3-吡咯啉-2,5-二酮,其式为
其中 R 为具有 6 至 16 个碳原子的直链或支链烷基或其药学上可接受的盐类,它们可抑制
乙醇酸氧化酶,因此可用于治疗和预防
草酸钙肾结石的形成。此外,还公开了一种制备它们的新工艺。