公开(公告)号：AT243182T

公开(公告)日：2003-07-15

申请号：AT01710004

申请日：2001-02-01

Applicant: DEGUSSA

Inventor： MAASSEN RALF DR ,  KRILL STEFFEN DR ,  HUTHMACHER KLAUS DR

IPC: C07B61/00 ,  C07C46/08 ,  C07C50/02

Abstract: Production of 2,3,5-trimethyl-p-benzoquinone comprises the oxidation of 2,3,5- or 2,3,6-trimethylphenol with oxygen or an oxygen-containing gas in a mixture of water and an 8-11C neocarboxylic acid and in the presence of a catalyst containing one or more copper(II) salts at 50-100 degrees C.

公开(公告)号：ES2201025T3

公开(公告)日：2004-03-16

申请号：ES01710004

申请日：2001-02-01

Applicant: DEGUSSA

Inventor： MAASSEN RALF DR ,  KRILL STEFFEN DR ,  HUTHMACHER KLAUS DR

IPC: C07B61/00 ,  C07C46/08 ,  C07C50/02

Abstract: Production of 2,3,5-trimethyl-p-benzoquinone comprises the oxidation of 2,3,5- or 2,3,6-trimethylphenol with oxygen or an oxygen-containing gas in a mixture of water and an 8-11C neocarboxylic acid and in the presence of a catalyst containing one or more copper(II) salts at 50-100 degrees C.