4-(3-HETEROCYCLYL-1-BENZOYL)PYRAZOLS AND THEIR APPLICATION AS HERBICIDES

摘要

The invention relates to compounds with the general formula where their substituents have the following meanings: R1 & R3 are hydrogen, nitro, halogen, cyano, alkyl, halogenalkyl, alkoxy, halogenalkoxy, alkylthio, halogenalkylthio, alkylsulphynyl, halogenalkylsulphynyl, alkylsulphonyl, halogenalkylsulphonyl, aminosulphonyl, N-alkylaminosulphonyl, N,N-dialkylaminosulphonyl, N-alkylsulphonylamino, N-halogenalkylslphonylamino, N-alkyl-N-alkylsulphonylamino or N-alkyl-N-halogenalkylslphonyamino; R2 optionally is substituted 5- or 6-member heterocyclic residue containing from 1 to 4 identical or different heteoratoms of the group of oxygen, sulphur or nitrogen; R4 is hydrogen, halogen or alkyl and R5 is substituted pyrazol residue bound in 4th position. The invention also relates to their acceptable salts for farming, to method for the preparation of the compounds, to forms containing them and to the application of these derivatives or form containing them for control of unwanted vegetation. 16 claims