Process for the preparation of dialkyl, pyridine-2,3-dicarboxylates and derivatives thereof from dialkyl dichloromaleate
申请人:AMERICAN CYANAMID COMPANY
公开号:EP0461401A1
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 dichloromaleate with a source of ammonia and an appropriately substituted α,β-unsaturated aldehyde or ketone.
提供了一种制备取代和未取代的2,3-吡啶二羧酸酯化合物的方法,通过将二烷基二氯马来酸酯与氨源和适当取代的α,β-不饱和醛或酮反应。