| abstract |
The present invention provides a haoalkanesulfonylaniline derivative of the following formula (I), [wherein, R1 represents a haloalkyl group, R2 represents H, an alkylcarbonyl group, a substituted phenyl carbonyl group, an alkoxycarbonyl group, a substituted phenoxycarbonyl group, a substituted benzenesulfonyl group etc., each of R3 and R4 represents H, an alkyl group, a cycloalkyl group, a halogen atom, CN etc., each of R5, R6, R7 and R8 represents H, a halogen atom, an alkyl group, a cycloalkyl group, a substituted phenyl (C1-C6)alkyl group, a substituted heterocycle etc., each of A and X represents O or S, X represents 1~4 substituted group selected from, a halogen atom, an alkyl group, an alkenyl group, a substituted phenyl group, a substituted phenylalkylamino group, OH, CN etc.] or the salt thereof and a weed killer containing the compound as the active component. The present weed killer is excellent in broad application, effect persistence and selectivity between crop and weed, especially useful as weed killer in paddy field. |