申请人:Bayer Aktiengesellschaft
公开号:US04018890A1
公开(公告)日:1977-04-19
Pharmaceutical compositions useful for effecting diuresis and saluresis and for treating hypertension in humans and animals are produced by combining a pyrazol-5-one of the formula: ##SPC1## Or a pharmaceutically acceptable nontoxic salt thereof Wherein R is hydrogen, lower alkyl or amino; X is methylene, ethylene, methylene wherein 1 hydrogen atom is substituted by lower alkyl, or ethylene wherein 1 hydrogen atom is substituted by lower alkyl or 1 hydrogen atom on each of the two carbon atoms is substituted by lower alkyl; Y is a direct bond, oxygen or sulphur, provided that when X is methylene wherein 1 hydrogen atom is substituted by alkyl of 1 to 4 carbon atoms, Y is a direct bond; Z is aryl of 6 to 10 carbon atoms unsubstituted or substituted by: A. 1 or 2 of the same or different substituents selected from the group consisting of halogen, trifluoromethyl, alkyl of 1 to 4 carbon atoms, alkenyl or 2 to 4 carbon atoms, alkoxy of 1 to 4 carbon atoms, and alkenoxy of 2 to 4 carbon atoms; B. cycloalkyl of 5, 6 or 7 carbon atoms, or cycloalkenyl of 5, 6 or 7 carbon atoms; C. lower alkylamino, dilower alkylamino, trifluoromethoxy, nitro, cyano, carbamoyl, lower alkylcarbamoyl, dilower alkylcarbamoyl, sulphamyl, lower alkylsulphamyl, dilower alkylsulphamyl, --SO.sub.n --lower alkyl wherein n is 0, 1 or 2, or said dialkylamino, carbamoyl, alkylcarbamoyl, dialkylcarbamoyl, sulphamyl, alkylsulphamyl, or dialkylsulphamyl, the nitrogen atom of which is a member of a 5-, 6- or 7-membered ring or said ring which additionally contains an oxygen atom; D. lower alkylamino, dilower alkylamino, trifluoromethoxy, nitro, cyano, carbamoyl, lower alkylcarbamoyl, dilower alkylcarbamoyl, sulphamyl, lower alkylsulphamyl, dilower alkylsulphamyl, or --SO.sub.n --lower alkyl wherein n is 0, 1 or 2, and 1 or 2 substituents selected from the group consisting of alkyl of 1 to 4 carbon atoms, alkenyl of 2 to 4 carbon atoms, alkoxy of 1 to 4 carbon atoms, alkenoxy of 2 to 4 carbon atoms, halogen and trifluoromethyl; or E. a fused, saturated or unsaturated 5-, 6- or 7-membered ring or said ring additionally containing 1 or 2 oxygen or sulphur atoms, In combination with a pharmaceutically acceptable nontoxic inert diluent or carrier. The compositions are preferably administered orally or parenterally and in the latter case, sterile or isotonic aqueous solutions are preferred.
本发明涉及一种用于促进人和动物利尿和排盐以及治疗高血压的制剂,其通过将式为:##
SPC1## 或其药学上可接受的无毒盐与一种药学上可接受的惰性稀释剂或载体相结合制备而成。其中,R为氢、低级烷基或
氨基;X为亚甲基、
乙烯基、亚甲基,其中1个氢原子被低级烷基取代,或
乙烯基,其中1个碳原子上的氢原子被低级烷基取代,或每个碳原子上的1个氢原子被低级烷基取代;Y为直接键、氧或
硫,但当X为亚甲基,其中1个氢原子被1-4个碳原子的烷基取代时,Y为直接键;Z为未取代或取代的6-10个碳原子的芳基,所述取代是指以下1种或2种相同或不同的取代基:A. 来自卤素、三
氟甲基、1-4个碳原子的烷基、2-4个碳原子的烯基、1-4个碳原子的烷氧基或2-4个碳原子的烯氧基的群体中选择的1种或2种取代基;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. 来自低级烷基
氨基、二低级烷基
氨基、三
氟甲氧基、硝基、
氰基、
氨基甲酰基、低级烷基
氨基甲酰基、二低级烷基
氨基甲酰基、磺酰
氨基、低级烷基磺酰
氨基、二低级烷基磺酰
氨基、--SO.sub.n --低级烷基(其中n为0、1或2),或所述的二烷基
氨基、
氨基甲酰基、烷基
氨基甲酰基、二烷基
氨基甲酰基、磺酰
氨基、烷基磺酰
氨基或二烷基磺酰
氨基,其氮原子是5、6或7元环的成员,或所述的环还包含一个氧原子;D. 来自低级烷基
氨基、二低级烷基
氨基、三
氟甲氧基、硝基、
氰基、
氨基甲酰基、低级烷基
氨基甲酰基、二低级烷基
氨基甲酰基、磺酰
氨基、低级烷基磺酰
氨基、二低级烷基磺酰
氨基、或--SO.sub.n --低级烷基(其中n为0、1或2),以及1种或2种来自以下群体的取代基:1-4个碳原子的烷基、2-4个碳原子的烯基、1-4个碳原子的烷氧基、2-4个碳原子的烯氧基、卤素和三
氟甲基;E. 融合的、饱和或不饱和的5、6或7元环,或所述环还含有1或2个氧或
硫原子。该制剂最好通过口服或经肠道给药,并且在后一种情况下,最好使用无菌或等渗的
水溶液。