申请人:NIHON NOHYAKU CO., LTD.
公开号:EP1852425A1
公开(公告)日:2007-11-07
A haloalkylsulfonanilide derivative represented by the formula (I): wherein R1 represents haloalkyl; R2 represents H, alkylcarbonyl, optionally substituted phenylcarbonyl, alkoxycarbonyl, optionally substituted phenoxycarbonyl, optionally substituted phenylsulfonyl, etc.; R3 and R4 each represents H, alkyl, cycloalkyl, halogeno, CN, etc.; R5, R6, R7, and R8 each represents H, halogeno, alkyl, cycloalkyl, optionally substituted phenyl (C1-6 alkyl), an optionally substituted heterocycle, etc.; A and W each represents O or S; and X represents one to four substituents selected among H, halogeno, 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 wide applicability, persistency, and selectivity for crops and effectiveness against weeds. It is excellent especially as a herbicide for rice fields.
公式(I)所表示的一种卤代烷基磺酰苯胺衍生物:其中R1代表卤代烷基;R2代表H、烷基羰基、可选取代的苯基羰基、烷氧羰基、可选取代的苯氧羰基、可选取代的苯基磺酰基等;R3和R4各自代表H、烷基、环烷基、卤素、CN等;R5、R6、R7和R8各自代表H、卤素、烷基、环烷基、可选取代的苯基(C1-6烷基)、可选取代的杂环、等;A和W各自代表O或S;X代表H、卤素、烷基、烯基、可选取代的苯基、可选取代的苯基烷基胺基羰基、OH、CN等中选择的1-4个取代基}及其盐;以及含有这些化合物作为活性成分的除草剂。该除草剂具有广泛适用性、持久性、对作物的选择性和对杂草的有效性。特别是作为稻田除草剂非常出色。