AMIDES N- (1,2,5-OXADIAZOL-3-YL) -, N- (1,3,4-OXADIAZOL-2-YL) -, N- (TETRAZOL-5-YL) - AND N-(TRIAZOLE 5-YL)-ARYL CARBOXYLIC ACIDS AND THEIR USE AS HERBICIDES Russian patent published in 2017 - IPC C07D257/04 C07D271/08 C07D271/113 C07D413/12 A01N43/713 A01N43/824 A01N43/832 A01P13/00 

FIELD: chemistry.

SUBSTANCE: invention relates to amides of N-(1,2,5-oxadiazol-3-yl)-, N-(1,3,4-oxadiazol-2-yl)- and N-(tetrazol-5-yl)- aryl carboxylic acids of formula

,

wherein R is alkyl with 1-6 carbon atoms, alkenyl of 2-6 carbon atoms, alkynyl of 2-6 carbon atoms, (alkyl of 1-6 carbon atoms)-OR¹, (alkyl with 1-6 carbon atoms) -COOR¹, (alkyl with 1-6 carbon atoms)-CN, or benzyl, W is CY, X and Z, which in each case independently from one another represent halogen, alkyl with 1-6 carbon atoms, haloalkyl with 1-6 carbon atoms, or S(O)_nR², Y is halogen, S(O)_nR² or 5-membered partially saturated heteroaryl having 2 heteroatoms selected from N, O, substituted by s residues of cyanogroup, V is hydrogen,R¹ is alkyl with 1-6 carbon atoms, R² is alkyl with 1-6 carbon atoms, n is 0. 1 or 2, s is 1, Q is a rwsidue of Q1, Q3 or Q4, R⁶ is alkyl with 1-6 carbon atoms or alkynyl with 2-6 carbon atoms, where these 2 above-mentioned residues in each case are substituted by s residues from the group, consisting from phenyl, R⁸ is alkyl with 1-6 carbon atoms or halogen, R⁹ is alkyl with 1-6 carbon atoms, s is 0 or 1. The invention also relates to herbicidal agents.

EFFECT: obtained new compound of formula (I), having a high herbicidal activity.

5 cl, 340 tbl, 3 ex