PYRIDYLOXY CARBOXYLATE DERIVATIVE, PREPARATION METHOD THEREFOR, HERBICIDAL COMPOSITION AND USE THEREOF
申请人:Qingdao Kingagroot Chemical Compound Co., Ltd.
公开号:US20220053763A1
公开(公告)日:2022-02-24
The invention relates to the field of pesticide technology, and in particular a type of pyridyloxy carboxylate derivative, preparation method, herbicidal composition and application thereof. The pyridyloxy carboxylate derivative is represented by formula I,
wherein, A, B each independently represent halogen, or alkyl or cycloalkyl with or without halogen; C represents hydrogen, halogen, alkyl or haloalkyl; Q represents halogen, cyano, cyanoalkyl, hydroxyalkyl, amino, nitro, formyl, alkyl or alkenyl with or without halogen or the like; M represents -alkyl-R, -haloalkyl-R or
X represents nitro or NR
1
R
2
. The compound has excellent herbicidal activity and higher crop safety, especially good selectivity for key crops such as rice and soybean.
本发明涉及杀虫剂技术领域,具体涉及一种吡啶氧羧酸酯衍生物、制备方法、除草剂组合物及其应用。所述吡啶氧羧酸酯衍生物由式I表示,其中A、B各自独立地表示卤素、或带或不带卤素的烷基或环烷基;C表示氢、卤素、烷基或卤代烷基;Q表示卤素、氰基、氰代烷基、羟基烷基、氨基、硝基、甲酰基、带或不带卤素的烷基或烯基等;M表示-烷基-R、-卤代烷基-R或X表示硝基或NR1R2。该化合物具有优异的除草活性和更高的作物安全性,特别是对关键作物如水稻和大豆具有良好的选择性。