HERBICIDAL COMPOUNDS Russian patent published in 2025 - IPC C07D209/54 C07D221/20 C07D221/22 C07D223/14 C07D401/06 C07D401/12 C07D471/04 A01N43/38 A01N43/42 A01N43/46 A01N43/90 A01N47/06 A01P13/00 

FIELD: chemistry; agriculture.

SUBSTANCE: group of inventions relates to agricultural chemistry and includes a compound of formula (I), an herbicidal composition based thereon, a method of controlling weeds and use of the compound of formula (I) as a herbicide. In formula (I) R¹ is 1-propynyl; R² and R³ are methyl; R⁴ selected from D4, D5, D6, D12, D13, D14, D23, D28 and D30, given in the claim, Y is selected from a group consisting of O, CR²⁷R²⁸ and N-R²⁹; R^4c is selected from a group consisting of hydrogen, C₁-C₄alkyl, -C(=O)C₁-C₄alkyl, -C(=O)C₁-C₄haloalkyl, -S(O)_nC₁-C₆alkyl, -C(O)-(CH₂)_n-C₃-C₆cycloalkyl, -C(O)C(R¹¹)R¹²R¹³, -C(O)(CR⁹R¹⁰)CN, -C(O)OC₁-C₆alkyl, -C(O)C₁-C₃alkoxyC₁-C₆haloalkyl, -C(O)(CH₂)_nNR⁵R⁶, -C(O)-(CH₂)n-NR⁷C(O)R⁸, -C(O)-(CH₂)_n-phenyl, -C(O)-(CH₂)_n-heterocyclyl, -C(O)(CH₂)_nO-(CH₂)_n-heterocyclyl, where heterocyclyl is 5- or 6-membered aromatic heterocyclyl containing a nitrogen atom as a heteroatom; R⁵, R⁹, R¹⁰, R¹¹, R¹², R²⁷, R²⁸, R²⁹, R^c, R^d are hydrogen; R⁶ represents C₁-C₆alkyl; R⁷ is selected from a group consisting of hydrogen and C₁-C₆alkyl; R⁸ is selected from a group consisting of C₁-C₆alkyl and pyridyl; R¹³ represents C₁-C₆alkoxy; G is selected from a group consisting of -(CH₂)_n-R^a, -C(O)-R^a and -C(O)-(CR^cR^d)_n-O-R^b; R^a independently selected from hydrogen and C₁-C₈alkyl; R^b represents C₁-C₈alkyl; n independently equals 0, 1 or 2.

EFFECT: compound of formula (I), having herbicide properties and used for weed control.

9 cl, 3 tbl, 1 ex