申请人:Laboratories Bago, S.A.
公开号:US04255581A1
公开(公告)日:1981-03-10
In this disclosure, the synthesis of alkyl and aryl esters of substituted 2-anilino-3-pyridinecarboxylic acids is described. This preparation is performed reacting a previously obtained alkyl or aryl ester of 2-chloro-3-pyridinecarboxylic acid, with 3,2 or 3-substituted aniline.
本文披露了合成取代的2-苯胺基-3-吡啶羧酸的烷基和芳基酯的方法。该制备方法是通过将之前获得的2-氯-3-吡啶羧酸的烷基或芳基酯与3,2或3-取代的苯胺反应而实现的。