Process for preparing pyridine carboxylic acid esters

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United States of America Patent

PATENT NO 5047542
SERIAL NO

07214549

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Abstract

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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.

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Patent Owner(s)

  • HOECHST CELANESE CORPORATION

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Gupton, B Franklin Virginia Beach, VA 5 25
Mueller, Werner H Corpus Christi, TX 30 457
Rea, James H Portsmouth, VA 20 177
Saukaitis, John East Greenwich, RI 4 9

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