7-chloro-2-ethyl-5-fluoro-4-nitrobenzoxazole 在
钯 作用下,
以
乙酸乙酯 、 氢气 为溶剂,
反应 5.0h,
以4-amino-7-chloro-2-ethyl-5-fluorobenzoxazole(0.73 g) was obtained as the single product的产率得到4-amino-7-chloro-2-ethyl-5-fluorobenzoxazole
[EN] FUSED-BENZENE DERIVATIVES USEFUL AS HERBICIDES<br/>[FR] DERIVES BENZENIQUES CONDENSES UTILISES COMME HERBICIDES
申请人:ISHIHARA SANGYO KAISHA
公开号:WO2000013508A1
公开(公告)日:2000-03-16
This invention relates to fused-benzene derivatives, their salts and compositions, intermediates, a process of producing them and their use as herbicides.
Fused-benzene derivatives useful as herbicides
申请人:Ishihara Sangyo Kaisha, Ltd.
公开号:US06573218B1
公开(公告)日:2003-06-03
A compound of the formula (Ia):
or its salts, in which the variables are as described in the disclosure; herbicidal compositions of said compounds, herbicidal processes using said compounds, defoliant processes using said compounds, and processes for preparing said compounds.