PROCESS FOR THE PREPARATION OF DIALKYL, PYRIDINE-2,3-DICARBOXYLATES AND DERIVATIVES THEREOF FROM DIALKYL DICHLOROSUCCINATE

摘要

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 .alpha.,.beta.-unsaturated aldehyde or ketone.