Process for the preparation of trimethyl-benzoquinone

Details Process for the preparation of trimethyl-benzoquinone Process for the preparation of trimethyl-benzoquinone

1975-01-17

1976-05-11

Garner, Vivian

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

260621H, 260621R, C07C 4964

Patent

active

039563464

ABSTRACT:
A process for preparing trimethylbenzoquinone is provided which does not involve the formation of a sulphonic acid intermediate which comprises oxidising 2,3,6-trimethyl-phenol directly with manganese dioxide in an aqueous solution containing sulphuric acid in an amount up to 40% by weight.

REFERENCES:
patent: 2343768 (1944-03-01), Gibbs
patent: 3700701 (1972-10-01), Dietl
patent: 3795708 (1974-03-01), Rappen et al.

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