| 摘要 |
4-Amino-5-fluoro-3-halo-6-(substituted)picolinates are conveniently prepared from 4,5,6-trichloropicolinonitrile by a series of steps involving fluorine exchange, amination, halogen exchange, halogenation, nitrile hydrolysis, esterification, and transition metal assisted coupling. |
| 申请人 |
DOW AGROSCIENCES LLC |
发明人 |
ZHU, YUANMING;WHITEKER, GREGORY, T.;RENGA, JAMES, M.;ARNDT, KIM, E.;ROTH, GARY, ALAN;PODHOREZ, DAVID, E.;WEST, SCOTT, P. |
