发明名称 |
PROCESS FOR THE PREPARATION OF 4-AMINO-5-FLUORO-3-CHLORO-6-(SUBSTITUTED)PICOLINATES |
摘要 |
4-Amino-5-fluoro-3-chloro-6-(substituted)picolinates are prepared from trifluoroacetic acid, p-methoxyaniline, a C1-C4 alkyl propiolate and a substituted methylene amine by a series of steps. |
申请公布号 |
US2016159742(A1) |
申请公布日期 |
2016.06.09 |
申请号 |
US201615040577 |
申请日期 |
2016.02.10 |
申请人 |
Dow AgroSciences LLC |
发明人 |
Giampietro Natalie C.;Renga James M. |
分类号 |
C07D213/79;C07C251/12 |
主分类号 |
C07D213/79 |
代理机构 |
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代理人 |
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主权项 |
1. A compound of Formula E wherein
R1 represents C1-C4 alkyl, cyclopropyl, C2-C4 alkenyl or phenyl substituted with from 1 to 4 substituents independently selected from halogen, C1-C4 alkyl, C1-C4 haloalkyl, C1-C4 alkoxy or C1-C4 haloalkoxy, andR2 represents C1-C4 alkyl. |
地址 |
Indianapolis IN US |