Electrochemical process for the production of benzanthrone

Details Electrochemical process for the production of benzanthrone Electrochemical process for the production of benzanthrone

1980-05-19

1982-01-19

Douglas, Winston A.

Chemistry: electrical and wave energy

Processes and products

204 59R, 204 72, 204 75, 260352, 260364, C07C 5022, C25B 304

Patent

active

043115659

ABSTRACT:
An electrochemical process for the production of benzanthrone by reaction of anthraquinone as, starting material, with glycerol, which process comprises reducing anthraquinone, which may additionally contain electronegative substituents, at the cathode in an electrolytic cell in acid medium, and simultaneously cyclizing the reduced semiquinone form with glycerol to produce the corresponding benzanthrone. The novel process affords numerous advantages compared with chemical reduction methods.

REFERENCES:
patent: 798104 (1905-08-01), Isler
patent: 3925172 (1975-12-01), Voorhies
patent: 4102757 (1978-07-01), Chillier-Duchatel et al.
patent: 4127595 (1978-11-01), Matsuura et al.

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