PROCESS FOR PREPARING 2,3-DICHLOROTHIOPHENE

Process for preparing 2,3-dichlorothiophene The invention relates to the preparation of 2,3-dichloro-thiophene by chlorinating 3-chlorothiophene or by isomerizing 2-chlorothiophene to 3-chlorothiophene and subsequently chlorinating the latter. The isomerization is generally carried out by means of a...

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Bibliographische Detailangaben
Hauptverfasser:	LEUPOLD, ERNST I, LITTERER, HEINZ
Format:	Patent
Sprache:	eng ; fre
Schlagworte:	APPARATUS THEREFOR CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOIDCHEMISTRY CHEMISTRY GENERAL METHODS OF ORGANIC CHEMISTRY HETEROCYCLIC COMPOUNDS METALLURGY ORGANIC CHEMISTRY PERFORMING OPERATIONS PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL THEIR RELEVANT APPARATUS TRANSPORTING
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Beschreibung
Zusammenfassung:	Process for preparing 2,3-dichlorothiophene The invention relates to the preparation of 2,3-dichloro-thiophene by chlorinating 3-chlorothiophene or by isomerizing 2-chlorothiophene to 3-chlorothiophene and subsequently chlorinating the latter. The isomerization is generally carried out by means of a zeolite catalyst.