701-48-4Relevant articles and documents
Pyrazol-5-ones
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, (2008/06/13)
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; R1 is hydrogen, alkyl, alkenyl, unsubstituted or substituted aryl or unsubstituted or substituted aralkyl; R2 is alkyl; and R3 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 --SOn 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 --SOn 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.
