| 发明名称 |
PROCESSES FOR THE PREPARATION OF PESTICIDAL COMPOUNDS |
| 摘要 |
The present application provides processes for making pesticidal compounds and compounds useful both as pesticides and in the making of pesticidal compounds. |
| 申请公布号 |
US2015250177(A1) |
申请公布日期 |
2015.09.10 |
| 申请号 |
US201514715956 |
申请日期 |
2015.05.19 |
| 申请人 |
Dow AgroSciences LLC |
发明人 |
YANG Qiang;LORSBACH Beth;WHITEKER Gregory;ROTH Gary;DeAMICIS Carl;KNUEPPEL Daniel I.;BUYSSE Ann M.;GRAY Kaitlyn;LI Xiaoyong;MUHUHI Joseck M.;ROSS, JR. Ronald;PODHOREZ David E.;ZHANG Yu |
| 分类号 |
A01N43/56;C07D401/04 |
主分类号 |
A01N43/56 |
| 代理机构 |
|
代理人 |
|
| 主权项 |
1. A process comprising:
(a) reacting 3-hydrazinopyridine dihydrochloride with methyl acrylate, under basic conditions, to yield 1-(pyridin-3-yl)pyrazolidin-3-one; and (b) chlorinating 1-(pyridine-3-yl)pyrazolidin-3-one with phosphoryl chloride (POCl3) to yield dihydropyrazole chloride (5a) |
| 地址 |
Indianapolis IN US |
