公开(公告)号：US10364231B2

公开(公告)日：2019-07-30

申请号：US15676398

申请日：2017-08-14

Applicant: BASF SE

Inventor： Richard Dehn ,  Michael Kraus ,  Martine Dehn ,  Manuel Danz ,  Joaquim Henrique Teles

IPC: C07C45/00 ,  C07D311/72 ,  C07C46/08 ,  C07C50/02 ,  C07C50/04

Abstract: The invention relates to a method for producing 2,3,5-trimethyl benzoquinone or a compound containing 2,3,5-trimethyl benzoquinone, the method comprising the following steps: Oxidation of 2,3,6-trimethylphenol with oxygen or an oxygen-containing gas in a two-or multi-phase reaction medium in the presence of a catalyst or catalyst system containing at least one copper (II)-halide to a mixture containing 2,3,5-trimethyl benzoquinone, characterized in that the reaction medium contains water and at least one secondary aliphatic acyclic alcohol having 6 or more, preferably 7 or more, carbon atoms.

公开(公告)号：US09758504B2

公开(公告)日：2017-09-12

申请号：US14902231

申请日：2014-06-25

Applicant: BASF SE

Inventor： Richard Dehn ,  Michael Kraus ,  Martine Dehn ,  Manuel Danz ,  Joaquim Henrique Teles

IPC: C07C45/00 ,  C07D311/72 ,  C07C46/08 ,  C07C50/02 ,  C07C50/04

CPC classification number: C07D311/72 ,  C07C46/08 ,  C07C50/02 ,  C07C50/04

Abstract: The invention relates to a method for producing 2,3,5-trimethyl benzoquinone or a compound containing 2,3,5-trimethyl benzoquinone, the method comprising the following steps: Oxidation of 2,3,6-trimethylphenol with oxygen or an oxygen-containing gas in a two- or multi-phase reaction medium in the presence of a catalyst or catalyst system containing at least one copper (II)-halide to a mixture containing 2,3,5-trimethyl benzoquinone, characterized in that the reaction medium contains water and at least one secondary aliphatic acyclic alcohol having 6 or more, preferably 7 or more, carbon atoms.