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: US14304345申请日: 2014-06-13
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公开(公告)号: US20140296533A1公开(公告)日: 2014-10-02
- 发明人: James M. Renga , Gregory T. Whiteker , Peter L. Johnson , Christopher Galliford
- 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: C07D213/803
- IPC分类号: C07D213/803 ; C07D213/74 ; C07D213/73 ; C07C251/12
摘要:
4-Amino-5-fluoro-3-chloro-6-(substituted)picolinates are prepared from trifluoroacetic acid, p-methoxyaniline, a 3,3-dialkoxyprop-1-yne and a substituted methylene amine by a series of steps.