Process for preparing pyridine carboxylic acid esters

Details Process for preparing pyridine carboxylic acid esters Process for preparing pyridine carboxylic acid esters

1988-07-01

1991-09-10

Lee, Mary C.

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

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

546319, 546321, C07D21355

Patent

active

050475428

ABSTRACT:
A novel method is disclosed for the preparation of 2,3-pyridine-dicarboxylates by the reaction of a ketoester such as dimethyl oxalacetate with an .alpha.,.beta.-unsaturated aldehyde or ketone such as 2-ethylacrolein and at least 1 molar equivalent of ammonium salt in suitable solvent.

REFERENCES:
patent: 4723011 (1988-02-01), Dochner, Jr.

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