5-HYDROXYPYRAZOL-4-YL-CARBONYL-SUBSTITUTED SACCHARIN DERIVATIVES WITH HERBICIDAL PROPERTIES,PRODUCING AND USEING THEM AND HERBICID COMPOSITIONS CONTAINING THEM

摘要

PCT No. PCT/EP95/02974 Sec. 371 Date Feb. 3, 1997 Sec. 102(e) Date Feb. 3, 1997 PCT Filed Jul. 27, 1995 PCT Pub. No. WO96/05197 PCT Pub. Date Feb. 22, 19965-Hydroxypyrazol-4-ylcarbonyl-substituted saccharin derivatives of the formula I I where the substituents have the following meanings: L and M are hydrogen, C1-C4-alkyl, C1-C4-alkoxy, C1-C4-alkylthio, chlorine, cyano, methylsulfonyl, nitro or trifluoromethyl; Z is hydrogen, C1-C4-alkyl, C3-C8-cycloalkyl, C3-C6-alkenyl, C3-C5-alkynyl, C1-C4-acyl, benzyl or phenyl, the phenyl rings in each case being unsubstituted or substituted by halogen or C1-C4-alkyl; Q is a radical CO-J, J is a 4-linked 5-hydroxypyrazole ring of the formula II II where R 1 is C1-C4-alkyl and R 2 is hydrogen or methyl, and agriculturally customary salts of the compounds I are described.