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Title:
METHOD FOR PRODUCING 2,3,5-TRIMETHYL-P-BENZOQUINONE
Document Type and Number:
Japanese Patent JP2001151721
Kind Code:
A
Abstract:

To provide a new method for producing 2,3,5-trimethyl-p-benzoquinone capable of partially settling significant defects described in conventional technology level and relative to charged material cost, post-treatment cost and especially viewpoint of safety technology in industrially preventing degradation.

This method comprises carrying out the oxidation of phenol, at 20-120°C, consisting of water and a 5-10C fatty alcohol or water, a 1-4C fatty alcohol and an aromatic hydrocarbon, in the presence of a catalyst system comprising a copper halide and a transition metal halide of a group consisting of Fe, Cr, Mn, Co, Ni and Zn or a rare earth element halide.


Inventors:
MAASSEN RALF
KRILL STEFFEN DR
JAEGER BARBARA
HUTHMACHER KLAUS DR
Application Number:
JP2000312413A
Publication Date:
June 05, 2001
Filing Date:
October 12, 2000
Export Citation:
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Assignee:
DEGUSSA
International Classes:
C07B61/00; C07C46/08; C07C50/02; B01J27/122; (IPC1-7): C07C46/08; B01J27/122; C07C50/02
Attorney, Agent or Firm:
Toshio Yano (4 outside)