VERFAHREN ZUR UMESTERUNG VON DIMETHYLSUCCINYLSUCCINAT

Process for transesterification of dimethyl succinylsuccinate using one or more aliphatic alcohols, which in each case have at least 2 C atoms, in the presence of an acidic catalyst with or without the presence of a diluent which is inert under the reaction conditions, with exclusion of oxygen and u...

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Bibliographische Detailangaben
Hauptverfasser:	ALTREITER JOHANN, MOESTL FRANZ, SCHWARZ FRANZ-THOMAS. DR
Format:	Patent
Sprache:	ger
Schlagworte:	ACYCLIC OR CARBOCYCLIC COMPOUNDS ADHESIVES APPARATUS THEREFOR CHEMISTRY DYES GENERAL METHODS OF ORGANIC CHEMISTRY HETEROCYCLIC COMPOUNDS LAKES METALLURGY MISCELLANEOUS APPLICATIONS OF MATERIALS MISCELLANEOUS COMPOSITIONS MORDANTS NATURAL RESINS ORGANIC CHEMISTRY ORGANIC DYES OR CLOSELY-RELATED COMPOUNDS FOR PRODUCING DYES PAINTS POLISHES
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Beschreibung
Zusammenfassung:	Process for transesterification of dimethyl succinylsuccinate using one or more aliphatic alcohols, which in each case have at least 2 C atoms, in the presence of an acidic catalyst with or without the presence of a diluent which is inert under the reaction conditions, with exclusion of oxygen and under pressure, at least one of the two methoxy groups being replaced by the oxy group corresponding to the alcohol used, and use of the process in a process for preparation of terephthalic acid and of quinacridones.