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：
AU2012209283
公开号：
AU2012209283A8
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-trichloropicolinates by a series of steps involving fluorine exchange, amination, halogen exchange, halogenation and transition metal assisted coupling.
