Method for producing orthocarbonic acid trialkyl esters

Details Method for producing orthocarbonic acid trialkyl esters Method for producing orthocarbonic acid trialkyl esters

2007-03-20

2007-03-20

Wong, Edna (Department: 1753)

Electrolysis: processes, compositions used therein, and methods

Electrolytic synthesis

Preparing organic compound

C205S456000, C205S413000, C205S447000

Reexamination Certificate

active

10363317

ABSTRACT:
A process is provided for the preparation of trialkyl orthocarboxylates by the electrochemical oxidation of alpha, beta-diketones or alpha, beta-hydroxyketones, the keto group being present in the form of a ketal group derived from C1- to C4-alkylalcohols and the hydroxyl group optionally being present in the form of an ether group derived from C1- to C4-alkylalcohols (ketals K), in the presence of C1- to C4-alcohols (alcohols A), the molar ratio of the ketals K to the alcohols A in the electrolyte being 0.2:1 to 10:1.

REFERENCES:
patent: 0 179 289 (1986-04-01), None
patent: 0 212 509 (1987-03-01), None
patent: 0 393 668 (1990-10-01), None
Ginzel et al., “Indirect Electrochemical Alpha-Methoxylation of Aliphatic Ethers and Acetal. Reactivity and Regioselectivity of the Anodic Oxidation Using Tris(2,4-dibromophenyl)amine as Redox Catalyst”, Tetrahedron (no month, 1987), vol. 43, No. 24, pp. 5797-5805.

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