Process for the preparation of dialkyl pyridine-2,3-dicarboxylate and derivatives thereof from dialkyl dichlorosucciante
申请人:AMERICAN CYANAMID COMPANY
公开号:EP0461403A1
公开(公告)日:1991-12-18
There is provided a process for the preparation of substituted and unsubstituted-2,3-pyridinedicarboxylate compounds by reacting a dialkyl dichlorosuccinate with a dehydrohalogenating agent, an ammonia source and an appropriately substituted α,β-unsaturated aldehyde or ketone.
本发明提供了一种通过二烷基二氯琥珀酸酯与脱氢卤化剂、氨源和适当取代的 α、β-不饱和醛或酮反应制备取代和未取代的 2,3-吡啶二甲酸酯化合物的工艺。