发明授权
- 专利标题： Process for the preparation of 4-amino-5-fluoro-3-halo-6-(substituted)picolinates
-
申请号： US13356691申请日： 2012-01-24
-
公开(公告)号： US08609855B2公开(公告)日： 2013-12-17
- 发明人: Gregory T. Whiteker , Kim E. Arndt , James M. Renga , Yuanming Zhu , Christian T. Lowe , Thomas L. Siddall , David E. Podhorez , Gary A. Roth , Scott P. West
- 申请人： Gregory T. Whiteker , James M. Renga , Yuanming Zhu , Christian T. Lowe , Thomas L. Siddall , David E. Podhorez , Gary A. Roth , Scott P. West , Cynthia Arndt
- 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
- 代理商 Robert Chang; Craig E. Mixan
- 主分类号： C07D213/73
- IPC分类号： C07D213/73
摘要：
4-Amino-5-fluoro-3-halo-6-(substituted)picolinates are conveniently prepared from 4,5,6-trichloropicolinates by a series of steps involving fluorine exchange, amination, halogen exchange, halogenation and transition metal assisted coupling.
公开/授权文献
信息查询
IPC分类:
