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Title:
METHOD FOR PRODUCING 2,3,5-TRIMETHYL-P-BENZOQUINONE
Document Type and Number:
Japanese Patent JP2001278835
Kind Code:
A
Abstract:

To enable the oxidation of trimethylphenol into trimethyl-p- benzoquinone in a good yield while surely excluding the danger of explosion of a reactional mixture and also to avoid the defects of existing methods which are enumerated in the evaluation of prior art.

A mixture of water with a 8-11C neocarboxylic acid, favorably neodecanoic acid is used as a solvent system. A copper (II) halide activated by being added with an alkaline earth metal halide, an alkali metal halide, a transition metal halide or a rare earth element halide is used as an especially preferable catalyst.


Inventors:
Maassen, Ralf
Krill, Dr. Steffen
Huthmacher, Dr. Klaus
Application Number:
JP2001000067447
Publication Date:
October 10, 2001
Filing Date:
March 09, 2001
Export Citation:
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Assignee:
DEGUSSA AG
International Classes:
C07B61/00; C07C46/08; C07C50/02; (IPC1-7): C07C46/08; C07B61/00; C07C50/02
Attorney, Agent or Firm:
矢野 敏雄 (外4名)