Process for the preparation of the esters of an acid

Details Process for the preparation of the esters of an acid Process for the preparation of the esters of an acid

1987-01-08

1989-03-14

Gray, Bruce D.

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

Organic compounds

Carboxylic acid esters

560122, 560123, 560124, 560126, C07C 6966

Patent

active

048125920

ABSTRACT:
The invention concerns a process for the preparation of the esters of an alkyltartronic acid by direct oxidation, with O.sub.2 or the like, at 30.degree.-200.degree. C., of the corresponding alkyl-malonic esters, in the presence of a catalytic system, comprising a salt of a transition metal, selected from Mn, Fe, Co and Cu, and an alkali-metal salt of an aliphatic carboxylic acid, optionally in the presence of a polar solvent.

REFERENCES:
patent: 3997593 (1976-12-01), Stadler et al.
patent: 4342773 (1982-08-01), Di Toro et al.
Eskola et al., Chemical Abstracts, vol. 42, No. 122h, 1948.
White et al., J. Am. Chem. Soc., vol. 106, pp. 3701-3703 (1984).

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