发明名称 |
FIPRONIL PRODUCTION PROCESS |
摘要 |
<p>An improved oxidation process for preparing 5-amino-3-cyano-1- (2,6-dichloro-4-trifluoromethylphenyl) -4-trifluoromethylsulphinyl-pyrazole, of formula (I) is described. The process includes admixing 5-amino-3-cyano-l- (2, 6-dichloro-4-trifluoromethylphenyl) -4-trifluoromethylthiopyrazole of formula (II) with dichloroacetic acid and hydrogen peroxide in the presence of a strong acid.</p> |
申请公布号 |
WO2012007938(A8) |
申请公布日期 |
2012.12.13 |
申请号 |
WO2011IL00546 |
申请日期 |
2011.07.10 |
申请人 |
IRVITA PLANT PROTECTION, A BRANCH OF;LEVIN, ANAT;GRABARNICK, MICHAEL |
发明人 |
LEVIN, ANAT;GRABARNICK, MICHAEL |
分类号 |
C07D231/44 |
主分类号 |
C07D231/44 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|