An indazolesulfonylurea derivative represented by general formula (I) or (II), a herbicide containing the same as the active ingredient, and an intermediate for the production thereof, wherein R¹ represents hydrogen, alkyl, etc.; R² and R³ represent each independently hydrogen, halogen, alkyl, -COR⁴ (wherein R⁴ represents alkoxy, etc.), alkoxy, haloalkoxy, cyano, etc.; X represents oxygen or sulfur; Y represents hydrogen, alkyl, etc.; A and B represent each independently halogen, alkoxy, alkyl, etc.; and Z represents nitrogen or methine. This compound has an excellent herbicidal effect on various weeds which cause troubles in the upland field over a wide period ranging from the pregermination stage to the growing period. It can also control weeds growing on the lowland field.
通式(I)或(II)代表的
吲唑磺酰
脲衍
生物、含有相同活性成分的
除草剂及其生产中间体,其中 R¹ 代表氢、烷基等;R² 和 R³ 各自独立地代表氢、卤素、烷基、-COR⁴(其中 R⁴ 代表烷氧基等)、烷氧基、卤代烷基等。R²和R³各自独立地代表氢、卤素、烷基、-COR⁴(其中R⁴代表烷氧基等)、烷氧基、卤代烷氧基、
氰基等;X代表氧或
硫;Y代表氢、烷基等;A和B各自独立地代表卤素、烷氧基、烷基等;Z代表氮或
甲烷。该化合物对高地田间从发芽前到生长期的各种杂草都有很好的除草效果。它还能控制生长在低洼地的杂草。