Organic compounds -- part of the class 532-570 series – Organic compounds – Carboxylic acid esters
Patent
1995-03-27
1996-06-04
Killos, Paul J.
Organic compounds -- part of the class 532-570 series
Organic compounds
Carboxylic acid esters
560174, C07C 6976
Patent
active
055234593
ABSTRACT:
A process for preparing an .alpha.-keto acid ester (oxo acid) of the formula: ##STR1## wherein R.sup.1 is a hydrogen atom, aliphatic alkyl group of 1-6 carbon atoms, phenyl group or benzyl group, and R.sup.2 is an aliphatic alkyl group of 1-6 carbon atoms, which comprises causing an .alpha.-hydroxycarboxylic acid ester of the formula: ##STR2## to react with molecular oxygen in a gaseous phase in the presence of copper phosphate, possibly, mounted on a solid carrier.
Fukuda Yasunori
Hirai Koichi
Nakamura Yasuo
Yoshii Kiyotaka
Killos Paul J.
Ube Industries Ltd.
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