申请人:Idemitsu Kosan Co., Ltd.
公开号:US06159904A1
公开(公告)日:2000-12-12
Pyrazole derivatives of the general formula (I) or salts thereof, ##STR1## wherein each symbols are as defined in the specification, herbicides containing the above compounds as active ingredients, and aromatic carboxylic acid derivatives or salts thereof suitable as intermediates for the production of the above pyrazole derivatives. The above pyrazole derivatives or salts thereof, provided by the present invention, cause no phytotoxicity on upland field crops such as corn, etc., and can selectively control a broad range of upland weeds such as grass weeds and broad-leaved weeds at a low dosage in pre-emergence treatment and in post-emergence treatment.
本发明提供的一般式(I)的吡唑衍生物或其盐,其中每个符号如规范中所定义,包含上述化合物作为活性成分的除草剂,以及适用于生产上述吡唑衍生物的芳香族羧酸衍生物或其盐作为中间体。本发明提供的上述吡唑衍生物或其盐对于玉米等旱地作物不会产生植物毒性,并且可以在预出苗处理和出苗后处理中以低剂量选择性地控制广泛范围的旱地杂草,例如草本杂草和阔叶杂草。