申请人:Kumiai Chemical Industry Co., Ltd.
公开号:US05534481A1
公开(公告)日:1996-07-09
The present invention provides an indazolesulfonylurea derivative represented by the general formula: ##STR1## [wherein R.sup.1 is a hydrogen atom or an alkyl group, etc., R.sup.2 and R.sup.3 are the same or different and represent a hydrogen atom, a halogen atom, an alkyl group, the formula --COR.sup.4 (wherein R.sup.4 represents an alkoxy group, etc.), an alkoxy group, a haloalkoxy group or a cyano group, etc., X is an oxygen atom or a sulfur atom, Y is a hydrogen atom or an alkyl group, etc., A and B are the same or different and represent a halogen atom, an alkoxy group or an alkyl group, etc., and Z represents a nitrogen atom or a methine group], as well as a herbicide containing it as an active ingredient and an intermediate for its production. The compound of the present invention exhibits excellent herbicidal effects over a wide range from the preemergence stage to the growing stage of various weeds which are problematic in agricultural fields. Further, it is capable of controlling weeds germinating in paddy fields.
本发明提供了一种通式表示的吲唑磺酰脲衍生物: [其中R.sup.1是氢原子或烷基等,R.sup.2和R.sup.3相同或不同,代表氢原子、卤原子、烷基、--COR.sup.4的结构(其中R.sup.4代表烷氧基等),烷氧基、卤代烷氧基或氰基等,X是氧原子或硫原子,Y是氢原子或烷基等,A和B相同或不同,代表卤原子、烷氧基或烷基等,Z代表氮原子或甲烷基等],以及作为活性成分的除草剂和其生产的中间体。本发明的化合物在广泛范围内表现出优异的除草效果,可控制农田中常见的各种杂草从萌芽阶段到生长阶段的生长。此外,它能够控制稻田中发芽的杂草。