Method for producing aromatic dicarboxylic acid using iron co-catalyst

A method for oxidizing a dimethyl aromatic compound, comprising reacting the dimethyl aromatic compound and an oxidant in the presence of a catalyst system in a solvent to produce a reaction product comprising an aromatic dicarboxylic acid; wherein the catalyst system comprises a catalyst and a co-c...

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Bibliographic Details
Main Authors Selvakumar Subramanian, Suman Kumar Jana, Syed Azhar Hashmi, Prasanna Kumar Pathath, Naveen Kumar Sathu
Format Patent
LanguageEnglish
Published 24.04.2024
Subjects
ACYCLIC OR CARBOCYCLIC COMPOUNDS
CHEMISTRY
METALLURGY
ORGANIC CHEMISTRY
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Summary:A method for oxidizing a dimethyl aromatic compound, comprising reacting the dimethyl aromatic compound and an oxidant in the presence of a catalyst system in a solvent to produce a reaction product comprising an aromatic dicarboxylic acid; wherein the catalyst system comprises a catalyst and a co-catalyst; wherein the catalyst comprises bromine, cobalt, and manganese; wherein the co-catalyst comprises iron in an amount of 10 to 100 ppm; wherein the bromine is present in an amount of 160 to 730 ppm; wherein the manganese is present in an amount of 100 to 450 ppm; wherein the cobalt is present in an amount of 100 to 450 ppm; and wherein the cobalt and manganese are present in an amount of greater than 300 to 900 ppm, based on a total weight of the dimethyl aromatic compound and the solvent.
Bibliography:Application Number: GB20230000329