Method for manufacturing p- and o-benzoquinone derivatives

Details Method for manufacturing p- and o-benzoquinone derivatives Method for manufacturing p- and o-benzoquinone derivatives

1981-01-28

1983-07-19

Garner, Vivian

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

260369, C07C 4606, C07C 5004, C07C 5008, C07C 5012, C07C 5018

Patent

active

043943152

ABSTRACT:
A method for synthesizing p- or o-benzoquinone derivatives represented by formula III or IV ##STR1## by oxidizing, with an aqueous hypohalite solution having a pH of from 8 to 10, a p- or o-hydroquinone derivative represented by formula I or II ##STR2## Oxidation is conducted at a temperature between -20.degree. C. and 35.degree. C., in the presence of a quaternary ammonium salt phase transfer catalyst.

REFERENCES:
patent: 3796732 (1974-03-01), Brenner
patent: 3941811 (1976-03-01), Vignau

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