WHITEKER, GREGORY T.,ARNDT, KIM E.,RENGA, JAMES M.,ZHU, YUANMING,LOWE, CHRISTIAN T.,SIDDALL, THOMAS L.,PODHOREZ, DAVID E.,ROTH, GARY ALAN,WEST, SCOTT P.
申请号：
CA2825390
公开号：
CA2825390A1
申请日:
2012.01.24
申请国别(地区):
CA
年份:
2012
代理人:
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.
