申请人:Bayer Aktiengesellschaft
公开号:US03957814A1
公开(公告)日:1976-05-18
1-Substituted pyrazol-5-ones of the formula ##SPC1## And pharmaceutically acceptable, nontoxic salts thereof, wherein R is hydrogen, amino, alkyl, alkenyl, phenyl or trifluoromethyl; R.sup.1 is hydrogen, alkyl, alkenyl, unsubstituted or substituted aryl or unsubstituted or substituted aralkyl; R.sup.2 is alkyl; and R.sup.3 is pyridyl, or aryl substituted by: A. 1 or 2 of the same or different substituents selected from the group consisting of halogen, trifluoromethyl, lower alkyl, lower alkenyl and lower alkoxy; B. cycloalkyl of 5, 6 or 7 carbon atoms or cycloalkenyl of 5, 6 or 7 carbon atoms; C. mono(lower alkyl)amino, di(lower alkyl)amino, trifluoromethoxy, nitro, cyano, carbamoyl, lower alkylcarbamoyl, di(lower alkyl)carbamoyl, sulphamyl, lower alkylsulphamyl, di(lower alkyl)sulphamyl, or --SO.sub.n lower alkyl wherein n is 0, 1 or 2; D. a member selected from the group consisting of mono(lower alkyl)amino, di(lower alkyl)amino, trifluoromethyl, nitro, cyano, carbamoyl, lower alkylcarbamoyl, di(lower alkyl)sulphamyl, and --SO.sub.n lower alkyl wherein n is 0, 1 or 2, and 1 or 2 of the same or different substituents selected from the group consisting of lower alkyl, lower alkenyl, lower alkoxy, halogen, and trifluoromethyl; or E. a fused, saturated or unsaturated 5-, 6-, or 7-membered ring or said ring containing 1 or 2 oxygen or sulphur atoms; Are useful for their diuretic, saluretic, antihypertensive and antithrombatic effects.
式子为##SPC1##的1-取代吡唑酮及其药学上可接受、无毒的盐,其中R为氢、氨基、烷基、烯基、苯基或三氟甲基;R1为氢、烷基、烯基、未取代或取代的芳基或未取代或取代的芳基烷基;R2为烷基;R3为吡啶基,或被以下物质取代的芳基:A. 来自卤素、三氟甲基、低烷基、低烯基和低烷氧基的同一或不同取代基中的1或2个;B. 5、6或7个碳原子的环烷基或5、6或7个碳原子的环烯基;C. 单(低烷基)氨基,二(低烷基)氨基,三氟甲氧基,硝基,氰基,氨基甲酰基,低烷基氨基甲酰基,二(低烷基)氨基甲酰基,磺酰氨基,低烷基磺酰氨基,二(低烷基)磺酰氨基,或--SO.sub.n低烷基,其中n为0、1或2;D. 来自单(低烷基)氨基,二(低烷基)氨基,三氟甲基,硝基,氰基,氨基甲酰基,低烷基氨基甲酰基,二(低烷基)磺酰氨基,或--SO.sub.n低烷基,其中n为0、1或2的成员,以及来自低烷基、低烯基、低烷氧基、卤素和三氟甲基的同一或不同取代基中的1或2个;或E. 融合的、饱和或不饱和的5、6或7个成员环或该环包含1或2个氧或硫原子。它们对于它们的利尿、盐利尿、降压和抗血栓效果是有用的。