1-METHYL-5-ALKYLSULFONYL-, 1-METHYL-5-ALKYLSULFINYL AND 1- METHYL-5-ALKYLTHIO-SUBSTITUTED PYRAZOLYLPYRAZOLES AND HERBICIDE AGENT BASED ON THEREOF Russian patent published in 2003 - IPC

FIELD: organic chemistry, herbicides. SUBSTANCE: invention describes 1-methyl-5-alkylsulfonyl-, 1-methyl-5-alkylsulfinyl and 1-methyl-5-alkylthio-substituted pyrazolylpyrazoles of the general formula (I): wherein R¹ means alkyl with 1-3 carbon atoms; R² means halogen atom or cyano; R³ means cyano, nitro or thiocarbamoyl; R⁴ means halogen atom, alkyl with 1-6 carbon atoms possibly substituted with one halogen atom or one group among and ; n = 0, 1 or 2. Invention describes also herbicide agent containing at least one compound of the general formula (I). Invention provides preparing novel compounds of the general formula (I) eliciting herbicide effect with regards to broad spectrum of mono- and dicotyledonous weeds. EFFECT: valuable herbicide properties of compounds. 8 cl, 1 tbl, 259 ex