Process for preparing 3,5-dimethylisoxazole-4-sulphonyl chloride

Process for preparing 3,5-dimethylisoxazole-4-sulphonyl chloride

By a novel process, 3,5-dimethylisoxazole-4-sulphonyl chloride is prepared by reacting 3,5-dimethylisoxazole initially with chlorosulphonic acid and then additionally with thionyl chloride at a temperature between 60 DEG C. and 110 DEG C.

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Bibliographische Detailangaben
Hauptverfasser: GALLENKAMP, BERND, ROHE, LOTHAR
Format: Patent
Sprache:eng
Schlagworte:
CHEMISTRY
HETEROCYCLIC COMPOUNDS
METALLURGY
ORGANIC CHEMISTRY
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Beschreibung
Zusammenfassung:By a novel process, 3,5-dimethylisoxazole-4-sulphonyl chloride is prepared by reacting 3,5-dimethylisoxazole initially with chlorosulphonic acid and then additionally with thionyl chloride at a temperature between 60 DEG C. and 110 DEG C.