The invention relates to new substituted pyrazol derivatives of general formula (I) in which: R.sup.1, R.sup.2, R.sup.3, R.sup.4, R.sup.5 and R.sup.6 have the meanings given in the description, agents with herbicidal action containing at least one compound of formula (I), and their use as herbicides.
This application is a divisional of application U.S. Ser. No. 08/809,391, filed on Apr. 22, 1997, now allowed, which is a national phase application filed 35 U.S.C. 371 of international application PCT/EP95/03732 which has an international filing date of Sep. 21, 1995.
The invention relates to 3-(heterocyclyl)-substituted benzoylpyrazois of formula (I), wherein the variables have the following meanings: X is O, NH or N-alkyl; R.sup.1 is alkyl; R.sup.2, R.sup.3, R.sup.4, R.sup.5 are hydrogen, alkyl or alkyl halide; R.sup.6 is halogen, nitro, alkyl halide, alkoxy, halogenalkoxy, alkylthio, halogenalkylthio, alkylsulfonyl or halogenalkylsulfonyl; R.sup.7 is hydroxy, alkoxy, alkenyloxy, alkylsulfonyloxy, alkylcarboyloxy, alkylthiocarbonyloxy, phenylsulfonyloxy or phenylcarbonyloxy, and the phenyl radical can be substituted; R.sup.8, R.sup.9 are alkyl; R.sup.10 is hydrogen or alkyl; and R.sup.11 is hydrogen or alkyl; and to their agriculturally useable salts. The invention also relates to intermediate products and methods for producing the inventive compounds and to the use of these compounds or products containing them for combating undesirable plants.