Process for the preparation of dialkyl pyridine-2,3-dicarboxylat

Details Process for the preparation of dialkyl pyridine-2,3-dicarboxylat Process for the preparation of dialkyl pyridine-2,3-dicarboxylat

1991-12-09

1993-07-06

Rotman, Alan L.

Organic compounds -- part of the class 532-570 series

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

546299, 546321, 546251, C07D21308, C07D21380, C07D213803

Patent

active

052255603

ABSTRACT:
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.

REFERENCES:
patent: 4723011 (1988-02-01), Doehner, Jr.
patent: 4758667 (1988-07-01), Szczepanski et al.
patent: 4798619 (1989-01-01), Los
patent: 4871859 (1989-10-01), Gupton et al.
patent: 4948896 (1990-08-01), Nagao
patent: 5008392 (1991-04-01), Meier et al.

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