Process for the preparation of 4-Amino-5-fluoro-3-chloro-6-(substituted)picolinates
申请人:Giampietro Natalie C.
公开号:US09260392B2
公开(公告)日:2016-02-16
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.
4-
氨基-5-
氟-3-
氯-6-(取代基)
吡啶酸盐是由
三氟乙酸、对
甲氧基苯胺、C1-C4烷基
丙炔酸酯和取代亚甲基胺经过一系列步骤制备而成。