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    • 6. 发明授权
    • Herbicidal pyrazolin-5-one derivatives, compositions and use
    • 除草剂吡唑啉-5-酮衍生物,组合物和用途
    • US5174808A
    • 1992-12-29
    • US610597
    • 1990-11-08
    • Heinz-Jurgen WroblowskyPeter BabczinskiKlaus LurssenHans-Joachim SantelRobert R. Schmidt
    • Heinz-Jurgen WroblowskyPeter BabczinskiKlaus LurssenHans-Joachim SantelRobert R. Schmidt
    • A01N43/56C07D231/22C07D401/04C07D405/04C07D405/06C07D409/04C07D409/06
    • C07D401/04C07D231/22C07D405/04C07D409/04C07D409/06
    • Herbicidal pyrazolin-5-one derivatives of the formula ##STR1## in which R.sup.1 represents alkyl, cycloalkyl, halogenoalkyl, alkenyl, alkynyl, alkenyl or alkynyl substituted by optionally substituted phenyl, halogenoalkenyl, alkoxy, alkoxyalkyl, alkylthioalkyl, alkylsulphonylalkyl, alkylsulphinylalkyl, alkoxycarbonylalkyl, in each case optionally substituted aryl, aralkyl, aryloxyalkyl or arylthioalkyl, an optionally substituted heterocycle, heterocyclylalkyl or the --NH--CO--R.sup.3 or --CO--O--R.sup.4 groups, in which R.sup.3 and R.sup.4 in each case independently of one another represent alkyl or aryl,R.sup.2 represents hydrogen, alkyl, cycloalkyl, halogenoalkyl, alkenyl, alkinyl, halogenoalkenyl, alkoxyalkyl, alkylthioalkyl, alkylsulphonylalkyl, alkylsuslphinylalkyl or alkoxycarbonylalkyl andAr represents optionally substituted aryl or a heterocycle which is optionally substituted and optionally fused,excluding the compounds 1-(3-chlorophenyl)-3-methylthiomethyl-4-(N-hydroxyaminomethylidene)-pyrazoline-5-one, 1-(4-chlorophenyl)-3-methylthiomethyl-4-(N-hydroxyaminomethylidene)-pyrazolin-5-one, 1-(4-trifluoronethylphenyl-3-methylthiomethyl-4-(N-hydroxyaminomethylidene))-pyrazolin-5-one and 1-(4-n-nitrophenyl)-3-methylthiomethyl-4-(N-hydroxyaminomethylidene)-pyrazolin-5-one.
    • 式(Ⅰ)的除草吡唑啉-5-酮衍生物,其中R 1表示被任选取代的苯基,卤代烯基,烷氧基,烷氧基烷基,烷基硫代烷基,烷基磺酰基烷基,烷基亚磺酰基烷基,烷基磺酰基烷基, 烷氧基羰基烷基,在各种情况下均为任选取代的芳基,芳烷基,芳氧基烷基或芳硫基烷基,任选取代的杂环,杂环基烷基或-NH-CO-R 3或-CO-O-R 4基团,其中R 3和R 4各自独立地为 另一个代表烷基或芳基,R 2表示氢,烷基,环烷基,卤代烷基,烯基,炔基,卤代烯基,烷氧基烷基,烷基硫代烷基,烷基磺酰基烷基,烷基磺酰基烷基或烷氧基羰基烷基,Ar表示任选取代的芳基或任选被取代和任选稠合的杂环, 化合物1-(3-氯苯基)-3-甲硫基甲基-4-(N-羟基氨基亚甲基) - 吡唑并-5-酮, 1-(4-氯苯基)-3-甲基硫代甲基-4-(N-羟基氨基亚甲基) - 吡唑啉-5-酮,1-(4-三氟甲基苯基-3-甲硫基甲基-4-(N-羟基氨基甲基二烯) 5-(1-硝基苯基)-3-甲基硫代甲基-4-(N-羟基氨基亚甲基) - 对]吡唑-5-酮。