SYM-TRIAZINYL SULFONYL UREA DERIVATIVES, COMPOSITION FOR CONTROLLING GROWTH OF UNDESIRABLE VEGETATION AND METHOD OF CONTROLLING GROWTH OR UNDESIRABLE VEGETATION Russian patent published in 1995 - IPC

FIELD: agriculture. SUBSTANCE: the product of the formula 1 therein R is CO₂CH₃, CO₂C₂H₅, CO₂C₃H₇, CO₂CH₂CH-CH₂, CO₂CH(CH₃)₂, CO₂CH₂CH₂Cl, SO₂N(CH₃)₂ or OSO₂CH₃. Reagent 1 the appropriate sulfonylisocyanate. Reagent 2: 4-ethoxy-6-methylamino-1,3,5-triazine-2-amine. Compounds have herbicidal activity and are selection to rape or cabbage and are used in a herbicidal composition comprising 0.1-99% of the active ingredient. The method for controlling and undesirable vegetation uses application rates of 0.009-0.125 kg/ha. Compound q has the formula: . EFFECT: improved properties of the composition. 7 cl, 4 tbl