| 发明名称 |
PROCESS FOR THE PREPARATION OF 4-AMINO-3-CHLORO-5-FLUORO-6-(SUBSTITUTED) PICOLINATES |
| 摘要 |
4-Amino-3-chloro-5-fluoro-6-(substituted)picolinates are conveniently prepared from 3,4,5,6-tetrachloropicolinonitrile by a series of steps involving fluorine exchange, amination, halogen exchange and hydrolysis, esterification and transition metal assisted coupling. |
| 申请公布号 |
WO2012103041(A2) |
申请公布日期 |
2012.08.02 |
| 申请号 |
WO2012US22285 |
申请日期 |
2012.01.24 |
| 申请人 |
DOW AGROSCIENCES LLC;ARNDT, KIM E.;RENGA, JAMES M.;ZHU, YUANMING;WHITEKER, GREGORY T.;LOWE, CHRISTIAN T. |
发明人 |
ARNDT, KIM E.;RENGA, JAMES M.;ZHU, YUANMING;WHITEKER, GREGORY T.;LOWE, CHRISTIAN T. |
| 分类号 |
C07D213/79;C07D213/803;C07D213/81;C07D213/84 |
主分类号 |
C07D213/79 |
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