发明名称 PROCESS FOR THE PREPARATION OF 4-AMINO-5-FLUORO-3-CHLORO-6-(SUBSTITUTED)PICOLINATES
摘要 4-Amino-5-fluoro-3-chloro-6-(substituted)picolinates are prepared from trifluoroacetic acid, p-methoxyaniline, a C1-C4 alkyl propiolate and a substituted methylene amine by a series of steps.
申请公布号 US2016159742(A1) 申请公布日期 2016.06.09
申请号 US201615040577 申请日期 2016.02.10
申请人 Dow AgroSciences LLC 发明人 Giampietro Natalie C.;Renga James M.
分类号 C07D213/79;C07C251/12 主分类号 C07D213/79
代理机构 代理人
主权项 1. A compound of Formula E wherein R1 represents C1-C4 alkyl, cyclopropyl, C2-C4 alkenyl or phenyl substituted with from 1 to 4 substituents independently selected from halogen, C1-C4 alkyl, C1-C4 haloalkyl, C1-C4 alkoxy or C1-C4 haloalkoxy, andR2 represents C1-C4 alkyl.
地址 Indianapolis IN US