发明申请
- 专利标题: PROCESS FOR THE PREPARATION OF 4-AMINO-5-FLUORO-3-CHLORO-6-(SUBSTITUTED)PICOLINATES
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申请号: US15243996申请日: 2016-08-23
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公开(公告)号: US20160355468A1公开(公告)日: 2016-12-08
- 发明人: Natalie C. Giampietro , James M. Renga
- 申请人: Dow AgroSciences LLC
- 申请人地址: US IN Indianapolis
- 专利权人: Dow AgroSciences LLC
- 当前专利权人: Dow AgroSciences LLC
- 当前专利权人地址: US IN Indianapolis
- 主分类号: C07C251/12
- IPC分类号: C07C251/12
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.
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