RENGA, JAMES M.,WHITEKER, GREGORY T.,JOHNSON, PETER LEE,GALLIFORD, CHRISTOPHER
申请号：
PL13861549
公开号：
PL2931043T3
申请日:
2013.12.12
申请国别(地区):
PL
年份:
2018
代理人:
摘要：
4-Amino-5-fluoro-3-chloro-6-(substituted)picolinates are prepared from trifluoroacetic acid, p-methoxyaniline, a 3,3-dialkoxyprop-1-yne and a substituted methylene amine by a series of steps.
