Zhu, Yuanming,Whiteker, Gregory T.,Renga, James M.,Arndt, Kim E.,Roth, Gary Alan,Podhorez, David E.,West, Scott P.
申请号：
AU2012209281
公开号：
AU2012209281B2
申请日:
2012.01.24
申请国别(地区):
AU
年份:
2015
代理人:
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.
