SUBSTITUTED AMINOMETHYLPHENYLSULFONYLUREAS, METHOD FOR THEIR PREPARING, HERBICIDE AGENT BASED ON THEREOF, METHOD FOR CONTROL OF WEED PLANTS AND INTERMEDIATE COMPOUNDS Russian patent published in 2003 - IPC

FIELD: organic chemistry, chemical technology, herbicides. SUBSTANCE: invention relates to new substituted aminomethylphenylsulfonylureas of the general formula (I) eliciting highly effective herbicide effect and to method for their preparing, to herbicide agent based on thereof and intermediate compounds of the general formula (II) . In compounds of the general formula (I) Z means methane or nitrogen atom; R¹ means group NR⁶R⁷ wherein R⁶ means alkyl with 1-4 carbon atoms and R⁷ means hydrogen atom or alkyl with 1-4 carbon atoms; alkyl with 1-4 carbon atoms; n = 0, 1 or 2 with exception of values 0 or 1 when R¹ means group NR⁶R⁷; R² and R³ mean independently each of other hydrogen atom or alkyl with 1-4 carbon atoms; R⁴ means hydrogen atom or alkyl with 1-4 carbon atoms; R⁵ means formyl, alkylcarbonyl with 1-4 carbon atoms in alkyl group that can be substituted with one or some halogen atoms; alkenylcarbonyl with 2-4 carbon atoms in alkenyl moiety, alkynylcarbonyl with 2-4 carbon atoms in alkynyl moiety, alkylsulfonyl with 1-4 carbon atoms wherein alkyl group can be substituted with one or some halogen atoms; cycloalkylcarbonyl with 3-6 carbon atoms in cycloalkyl moiety, alkoxycarbonyl with 1-4 carbon atoms in alkoxyl moiety, phenylcarbonyl, phenylsulfonyl, mono- or dialkylaminosulfonyl with 1-4 carbon atoms in each alkyl moiety and other values given in the invention claim. Method for preparing compounds of the general formula (I) or their salts involves interaction of sulfonylisocyanate of the general formula (II) with aminoheterocycle of the general formula (III) and the end product is isolated as free form or salt. Herbicide agent contains compound of the formula (I) or its salt and accessory agents usually used for protection of plants for preparing preparative forms. Method for control with weed plants involves application of compound of the formula (I) or its salt in effective dose on plants, plant seeds or planting square. EFFECT: improved preparing method, valuable properties of compounds. 7 cl, 2 tbl, 9 ex