申请人:Leo Pharmaceutical Products Ltd. A/S
公开号:US03950376A1
公开(公告)日:1976-04-13
Compounds of the general formula ##SPC1## In which R.sub.1 represents a straight or branched C.sub.1 -C.sub.6 alkyl, alkenyl or alkynyl radical, or a C.sub.1 -C.sub.3 alkyl radical substituted with phenyl, halophenyl, trifluoromethylphenyl, (lower alkoxy)phenyl, or with a 5-membered or 6-membered heterocyclic ring containing not more than two heteroatoms selected from the group consisting of oxygen, sulphur and nitrogen; R.sub.2 stands for a phenyl radical, optionally being substituted with halogen, lower alkyl, hydroxy, or lower alkoxy; X and Y stand for oxygen or sulphur; their salts and esters and methods for their preparation. The compounds of the invention possess an outstanding diuretic and saluretic activity with a very low excretion of potassium ions and a low toxicity.
通式为##SPC1##的化合物,其中R.sub.1代表直链或支链的C.sub.1 -C.sub.6烷基、烯基或炔基基团,或者是用苯基、卤苯基、三氟甲基苯基、(较低的烷氧基)苯基取代的C.sub.1 -C.sub.3烷基基团,或者是含有不超过两个氧、硫和氮的杂原子的5元或6元杂环环的C.sub.1 -C.sub.3烷基基团;R.sub.2代表苯基基团,可选地取代卤素、较低烷基、羟基或较低烷氧基;X和Y代表氧或硫;它们的盐和酯以及其制备方法。该发明的化合物具有出色的利尿和排钠活性,钾离子排泄量非常低,毒性也很低。