公开(公告)号：US12049450B2

公开(公告)日：2024-07-30

申请号：US17414489

申请日：2018-12-27

Applicant: Qingdao Kingagroot Chemical Compound Co., Ltd.

Inventor： Lei Lian ,  Xuegang Peng ,  Rongbao Hua ,  Jingyuan Zhang ,  Qi Cui

IPC: C07D213/73 ,  A01N25/32 ,  A01N43/40 ,  A01N43/50 ,  A01N43/54 ,  A01N43/56 ,  A01N43/58 ,  A01N43/60 ,  A01N43/647 ,  A01N43/653 ,  A01N43/66 ,  A01N43/713 ,  A01N43/76 ,  A01N43/78 ,  A01N43/80 ,  A01N47/02 ,  A01N47/20 ,  A01N55/00 ,  A01N57/20 ,  A01P13/00 ,  C07D213/12 ,  C07D213/75 ,  C07D401/12 ,  C07D405/12 ,  C07D409/12 ,  C07D413/12 ,  C07D417/12 ,  C07F7/08 ,  C07F9/58

CPC classification number: C07D213/73 ,  A01N25/32 ,  A01N43/40 ,  A01N43/50 ,  A01N43/54 ,  A01N43/56 ,  A01N43/58 ,  A01N43/60 ,  A01N43/647 ,  A01N43/653 ,  A01N43/66 ,  A01N43/713 ,  A01N43/76 ,  A01N43/78 ,  A01N43/80 ,  A01N47/02 ,  A01N47/20 ,  A01N55/00 ,  A01N57/20 ,  A01P13/00 ,  C07D213/75 ,  C07D401/12 ,  C07D405/12 ,  C07D409/12 ,  C07D413/12 ,  C07D417/12 ,  C07F7/0812 ,  C07F9/58

Abstract: 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 NR1R2. The compound has excellent herbicidal activity and higher crop safety, especially good selectivity for key crops such as rice and soybean.