| 发明名称 |
Process for the preparation of 4-amino-5-fluoro-3-halo-6-(substituted)picolinates |
| 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. |
| 申请公布号 |
US8609855(B2) |
申请公布日期 |
2013.12.17 |
| 申请号 |
US201213356691 |
申请日期 |
2012.01.24 |
| 申请人 |
WHITEKER GREGORY T.;RENGA JAMES M.;ZHU YUANMING;LOWE CHRISTIAN T.;SIDDALL THOMAS L.;PODHOREZ DAVID E.;ROTH GARY A.;WEST SCOTT P.;ARNDT CYNTHIA;DOW AGROSCIENCES, LLC. |
发明人 |
WHITEKER GREGORY T.;ARNDT KIM E.;RENGA JAMES M.;ZHU YUANMING;LOWE CHRISTIAN T.;SIDDALL THOMAS L.;PODHOREZ DAVID E.;ROTH GARY A.;WEST SCOTT P. |
| 分类号 |
C07D213/73 |
主分类号 |
C07D213/73 |
| 代理机构 |
|
代理人 |
|
| 主权项 |
|
| 地址 |
|
