FIELD: organic chemistry. SUBSTANCE: product of the formula: Q-SO2-NHC(=O)-N(L)-G where: Q - N-[SO2N(CH3)2]-OR″-OR'' or N-
-R'''; R'' - C1 - C4-alkyl, C2 - C4-alkenyl, C1 - C4-alkyl substituted with C1 - C4-alkoxy, phenyl; R''' - C1 - C4-alkyl; L - hydrogen, C1 - C4-alkyl; G - 
; B - methyl, methoxy; C - methyl, methoxy, difluoromethoxy. Selective composition has 2-40% product and special additions - the rest. Proposed herbicide is used in agriculture. EFFECT: improved method of synthesis. 2 cl, 10 dwg, 33 tbl
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