| abstract |
HALOALKILSULFONANILIDE DERIVATIVE OR A SALT OF THE SAME HERBICIDE AND METHOD FOR USING A HERBICIDE. A haloalkylsulfonylphilide derivative represented by formula (I): wherein R4 represents haloalkyl; R2 is H, alkylcarbonyl, optionally substituted phenylcarbonyl, alkoxycarbonyl, optionally substituted phenoxycarbonyl, optionally substituted phenylsulfonyl, etc .; R3 and R4 each represent H, alkyl, cycloalkyl, halogen, CN, etc .; R 5, R 6, R 7 and R 1 each represent H, halogen, alkyl, cycloalkyl, optionally substituted phenyl (C 1-6 alkyl), an optionally substituted heterocycle, etc .; A and W each represent O or S; and X represents one to four substituents selected from fi, halogen, alkyl, alkenyl, optionally substituted phenyl, optionally substituted phenylalkylaminocarbonyl, OH, CN, etc. } and a salt thereof; and a herbicide containing any of these compounds as an active ingredient. The herbicide is excellent in broad applicability, persistence, and selectivity for crops and weed effectiveness. It is excellent especially as a rice field herbicide. |