R-TYPE PYRIDYLOXYCARBOXYLIC ACID, SALT AND ESTER DERIVATIVE THEREOF, AND PREPARATION METHOD THEREFOR, AND HERBICIDAL COMPOSITION AND APPLICATION THEREOF
申请人:Qingdao Kingagroot Chemical Compound Co., Ltd.
公开号:US20220098153A1
公开(公告)日:2022-03-31
The invention relates to the field of pesticide technology, and in particular to a type of R-pyridyloxycarboxylic acid and salt, ester derivative, preparation method, herbicidal composition and application thereof. The R-pyridyloxycarboxylic acid is represented by formula I,
wherein, A, B each independently represent halogen, alkyl or cycloalkyl with or without halogen; C represents hydrogen, halogen, alkyl, haloalkyl; Q represents halogen, cyano, cyanoalkyl and the like; Y represents nitro or NR
1
R
2
; the salt is metal salt, amine salt, sulfonium salt, phosphonium salt; the ester is
wherein, X represents O or S; M represents alkyl, alkenyl, alkynyl and the like with or without halogen. The compound has excellent herbicidal activity and higher crop safety, especially good selectivity for key crops such as rice.
[EN] HERBICIDAL COMPOSITION CONTAINING R-TYPE PYRIDYLOXY CARBOXYLIC ACID DERIVATIVE AND USE THEREOF<br/>[FR] COMPOSITION HERBICIDE CONTENANT UN DÉRIVÉ D'ACIDE PYRIDYLOXYCARBOXYLIQUE DE TYPE R ET SON UTILISATION<br/>[ZH] 一种包含R型吡啶氧基羧酸衍生物的除草组合物及其应用
[EN] HERBICIDAL COMPOSITION CONTAINING R-TYPE PYRIDYLOXY CARBOXYLIC ACID DERIVATIVES AND APPLICATION THEREOF<br/>[FR] COMPOSITION HERBICIDE CONTENANT DES DÉRIVÉS D'ACIDE PYRIDYLOXYCARBOXYLIQUE DE TYPE R ET SON APPLICATION<br/>[ZH] 一种包含R型吡啶氧基羧酸衍生物的除草组合物及其应用