JOHNSON PETER LEE,RENGA JAMES M,GIAMPIETRO NATALIE C,WHITEKER GREGORY T,GALLIFORD CHRISTOPHER
申请号：
AU2013359258
公开号：
AU2013359258A1
申请日:
2013.12.12
申请国别(地区):
AU
年份:
2014
代理人:
摘要：
4-Amino-3-chloro-6-(substituted)picolinates are prepared from difluoroacetic acid or trifluoroacetic acid, tritylamine or t-butylamine as a protecting group, a 3,3-dialkoxyprop-1-yne and a substituted methylene amine by a series of steps.
