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.