LIAN, LEI,ZHENG, YURONG,PENG, XUEGANG,JIN, TAO,CUI, QI,LI, SONG
申请号:
CA2980382
公开号:
CA2980382A1
申请日:
2016.03.04
申请国别(地区):
CA
年份:
2017
代理人:
摘要:
The invention belongs to the technical field of pesticides, and in particular relates to a pyrazole compound or a salt thereof, and a preparation method, a herbicide composition and a use thereof. Disclosed is a pyrazole compound of formula (I) or a salt thereof. In the formula (I), R1 represents a hydrogen atom or C1-C4 alkyl; R2 represents C1-C3 alkyl; R3 represents a C1-C6 linear or cyclic group containing one or more of O, S and N heteroatoms; R4 represents a C1-C3 alkyl or halogen; and R5 represents a pyrazole ring or a pyrazole ring substituted by one or more alkyl, alkoxy, halogen, haloalkyl, amino and nitro groups. The pyrazole compound is a good herbicide with a broad-spectrum bioactivity and outstanding crop safety.