Process for the electrocarboxylation of carbonyl compounds, for

Details Process for the electrocarboxylation of carbonyl compounds, for Process for the electrocarboxylation of carbonyl compounds, for

1986-01-15

1987-11-24

Demers, Arthur P.

Chemistry: electrical and wave energy

Processes and products

204 72, 204 75, 204 76, 204 77, C25B 300, C25B 310

Patent

active

047087803

ABSTRACT:
A process for the electrocarboxylation of carbonyl compounds, for producing .alpha.-hydroxycarboxylic acids by means of the reaction: ##STR1## The electrolysis of the carbonyl compound is conducted in a diaphragm-less cell with a soluble metal anode in the presence of a support electrolyte and an organic solvent into which carbon dioxide is bubbled.
The complex salt obtained by the electrolysis is precipitated by treatment with a solvent, and is then separated and hydrolyzed to obtain the required acid.

REFERENCES:
patent: 4072583 (1978-02-01), Hallcher et al.
patent: 4582577 (1986-04-01), Wagenknecht
patent: 4601797 (1980-07-01), Wagenknecht
Silvestri et al., Chem. Abst. 102(1955) #35188.
Ikeda et al., Chem. Letters 1984, pp. 453-454.
Engels et al., Angew Chem. Int. Ed. Eng. 22(1983); No. 6, pp. 492-493.
Harrison et al., Compendium of Organic Synthetic Methods Interscience, New York, N.Y., 1974, pp. 56-63.

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