Process for the production of 2,3,5-trimethylbenzoquinone

Details Process for the production of 2,3,5-trimethylbenzoquinone Process for the production of 2,3,5-trimethylbenzoquinone

1986-12-29

1989-05-09

Hollrah, Glennon H.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

C07C 5004

Patent

active

048287628

ABSTRACT:
A process for the production of 2,3,5-trimethylbenzoquinone (TMBQ) from 2,3,6-trimethylphenol (TMP) is described, comprising contacting TMP with oxygen or an oxygen containing gas in a medium of water and an aliphatic alcohol having from 5 to 10 carbon atoms in the presence of catalyst of a copper halogen complex represented by the formula as shown below or a mixture of the copper halogen complex and an alkali metal halide or a mixture of the copper halogen complex, an alkali metal halide and cupric hydroxide and/or cuprous chloride

REFERENCES:
patent: 3391053 (1968-07-01), Kolh
patent: 3574030 (1968-07-01), Callander et al.
patent: 3625983 (1971-12-01), Wollensak
patent: 3796732 (1974-03-01), Brenner
patent: 4208339 (1980-06-01), Costantini et al.
patent: 4442036 (1984-04-01), Hsu et al.
patent: 4491545 (1985-01-01), Thoemel et al.
Mellor's Comprehensive Treatise on Inorganic and Theoretical Chemistry, vol. III, supplement III.

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