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 ofsubstituted and unsubstituted-2,3-pyridinedicarboxylatecompounds by reacting a dialkyl dichlorosuccinate with adehydrohalogenating agent, an ammonia source and anappropriately substituted .alpha.,.beta.-unsaturated aldehyde orketone.