PROCESSES AND INTERMEDIATES FOR PREPARING 3-(1-PIPERAZINYL)-1,2-BENZISOTHIAZOLE

PROCESSES AND INTERMEDIATES FOR PREPARING 3-(1-PIPERAZINYL)-1,2-BENZISOTHIAZOLE

The present invention relates to processes for the preparation of 3-(1-piperazinyl)-1,2-benzisothiazole or its pharmaceutically acceptable salt and to novel intermediates used in the process. 3-(1-piperazinyl)-1,2-benzisothiazole is a key intermediate useful for the preparation of ziprasidone.

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Bibliographische Detailangaben
Hauptverfasser: SINAY, TERRY G., JR, FOX, DARRELL E, WALINSKY, STANLEY W, LAMBERT, JOHN F
Format: Patent
Sprache:eng ; fre
Schlagworte:
ACYCLIC OR CARBOCYCLIC COMPOUNDS
CHEMISTRY
HETEROCYCLIC COMPOUNDS
METALLURGY
ORGANIC CHEMISTRY
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Beschreibung
Zusammenfassung:The present invention relates to processes for the preparation of 3-(1-piperazinyl)-1,2-benzisothiazole or its pharmaceutically acceptable salt and to novel intermediates used in the process. 3-(1-piperazinyl)-1,2-benzisothiazole is a key intermediate useful for the preparation of ziprasidone.