Process for the oxidation of aromatic compounds to hydroxyaromatic compounds

An improved process is described for the synthesis of hydroxylated aromatic compounds by means of the oxidation of an aromatic substrate with hydrogen peroxide in an organic solvent, in the presence of synthetic zeolites, wherein the improvement consists in the fact that the organic solvent is selec...

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Bibliographische Detailangaben
Hauptverfasser:	UNGARELLI, RAFFAELE, BALDUCCI, LUIGI, BIANCHI, DANIELE
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	ACYCLIC OR CARBOCYCLIC COMPOUNDS APPARATUS THEREFOR CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOIDCHEMISTRY CHEMISTRY GENERAL METHODS OF ORGANIC CHEMISTRY METALLURGY ORGANIC CHEMISTRY PERFORMING OPERATIONS PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL THEIR RELEVANT APPARATUS TRANSPORTING
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Beschreibung
Zusammenfassung:	An improved process is described for the synthesis of hydroxylated aromatic compounds by means of the oxidation of an aromatic substrate with hydrogen peroxide in an organic solvent, in the presence of synthetic zeolites, wherein the improvement consists in the fact that the organic solvent is selected from compounds having general formula (I) wherein: R1, R2, R3 and R4, the same or different, represent a hydrogen atom or an alkyl group with from 1 to 4 carbon atoms or from compounds having general formula (II) wherein R and R', the same or different, represent an alkyl radical with from 1 to 4 carbon atoms.