5-Hydroxypyrazol-4-ylcarbonyl-substituted saccharin derivatives of the formula I ##STR1## where the substituents have the following meanings: L and M are hydrogen, C.sub.1 -C.sub.4 -alkyl, C.sub.1 -C.sub.4 -alkoxy, C.sub.1 -C.sub.4 -alkylthio, chlorine, cyano, methylsulfonyl, nitro or trifluoromethyl; Z is hydrogen, C.sub.1 -C.sub.4 -alkyl, C.sub.3 -C.sub.8 -cycloalkyl, C.sub.3 -C.sub.6 -alkenyl, C.sub.3 -C.sub.5 -alkynyl, C.sub.1 -C.sub.4 -acyl, benzyl or phenyl, the phenyl rings in each case being unsubstituted or substituted by halogen or C.sub.1 -C.sub.4 -alkyl; Q is a radical CO--J, J is a 4-linked 5-hydroxypyrazole ring of the formula II ##STR2## where R .sup.1 is C.sub.1 -C.sub.4 -alkyl and R .sup.2 is hydrogen or methyl, and agriculturally customary salts of the compounds I are described.
化合物I的5-羟基
吡唑-4-基甲酰基取代磺
酰亚胺衍
生物的式子如下:##STR1## 其中,取代基的含义如下:L和M为氢,C.sub.1-C.sub.4-烷基,C.sub.1-C.sub.4-烷氧基,C.sub.1-C.sub.4-烷
硫基,
氯,
氰,甲基磺酰基,硝基或三
氟甲基;Z为氢,C.sub.1-C.sub.4-烷基,C.sub.3-C.sub.8-环烷基,C.sub.3-C.sub.6-烯基,C.sub.3-C.sub.5-炔基,C.sub.1-C.sub.4-酰基,苄基或苯基,其中苯环在每种情况下未取代或被卤素或C.sub.1-C.sub.4-烷基取代;Q为CO-J基团,J为式子II的4-联5-羟基
吡唑环:##STR2## 其中,R1为C.sub.1-C.sub.4-烷基,R2为氢或甲基,并描述了化合物I的农业习惯盐。