PYRIDYLOXY-CARBOXYLATE DERIVATIVE AND PREPARATION METHOD THEREFOR, HERBICIDAL COMPOSITION, AND USE
申请人:Qingdao Kingagroot Chemical Compound Co., Ltd.
公开号:US20220073466A1
公开(公告)日:2022-03-10
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 with or without halogen or the like; M represents -alkyl-R, R represents unsubstituted or substituted heterocyclyl, aryl or heteroaryl; Y represents O or S; 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.
该发明涉及杀虫剂技术领域,特别涉及一种吡啶氧基羧酸酯衍生物、其制备方法、除草剂组合物及其应用。该吡啶氧基羧酸酯衍生物由式I表示,其中,A、B各自独立地表示卤素,或带有或不带有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、氰基烷基、羟基烷基、氨基、硝基、甲酰基、带有或不带有卤素的烷基或类似物;M表示-烷基-R,R表示未取代或取代的杂环烷基、芳基或杂芳基;Y表示O或S;X表示硝基或NR1R2。该化合物具有出色的除草活性和更高的作物安全性,特别对水稻、大豆等关键作物具有良好的选择性。