| abstract |
FIELD: agriculture. n SUBSTANCE: invention refers to agriculture. Compound of formula (I): n in which X is CY; where Y is hydrogen, halogen, C 1 -C 3 -alkyl, C 1 -C 3 -haloalkyl, C 1 -C 3 -alkoxy, C 1 -C 3 -haloalkoxy, C 1 -C 3 -alkylthio or C 1 -C 3 -haloalkylthio; R 1 means OR 1' , in which R 1' means H, C 1 -C 8 -alkyl or C 7 -C 10 -aryl alkyl; R 2 means a halogen selected from F, Cl or Br, C 1 -C 4 -alkyl, C 1 -C 4 -haloalkyl, C 2 -C 4 -alkenyl, C 2 -C 4 -haloalkenyl, C 2 -C 4 -alkynyl, C 2 -C 4 -haloalkynyl, C 1 -C 4 -alkoxy, C 1 -C 4 -haloalkoxy, C 1 -C 4 -alkylthio, C 1 -C 4 -haloalkylthio, amino, C 1 -C 4 -alkylamino, C 2 -C 4 -haloalkylamino, formyl, (C 1 -C 3 -alkyl) carbonyl, (C 1 -C 3 -haloalkyl) carbonyl or cyano, provided that R 2 is not SCH 3 ; R 3 and R 4 each independently is hydrogen, C 1 -C 6 -alkyl, C 1 -C 6 -haloalkyl, C 3 -C 6 -alkenyl, C 3 -C 6 -haloalkenyl, C 3 -C 6 -alkynyl, hydroxy, C 1 -C 6 -alkoxy, C 1 -C 6 -haloalkoxy, formyl, (C 1 -C 3 -alkyl) carbonyl, (C 1 -C 3 -haloalkyl)carbonyl, (C 1 -C 6 -alkoxy) carbonyl, (C 1 -C 6 -alkyl) carbamyl, C 1 -C 6 -alkylsulfonyl, tri (C 1 -C 6 -alkyl) silyl or di (C 1 -C 6 -alkyl) phosphonyl, or R 3 and R 4 together with the nitrogen atom, to which they are attached, form a 5- or 6-membered saturated ring, or R 3 and R 4 , taken together, mean = CR 3' R 4' , where R 3' and R 4' each independently is hydrogen, C 1 -C 6 -alkyl, C 3 -C 6 -alkenyl, C 3 -C 6 -alkynyl, C 1 -C 6 -alkoxy or C 1 -C 6 -alkylamino, or R 3' and R 4' together with the carbon atom to which they are attached, form a 5- or 6-membered saturated ring; Ar is Ar2, Ar3, Ar4, Ar5 or Ar6. n EFFECT: invention provides higher efficiency of weed control. n 30 cl, 13 tbl |