Process for preparing pyridine carboxylic acid esters

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

C - Chemistry, Metallurgy

07

D

260/297, 260/297

C07D 213/80 (2006.01)

Patent

CA 1331002

ABSTRACT OF THE DISCLOSURE 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 utilizing a dehydrogenation catalyst such as palladium on carbon.

592392

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