Process for the preparation of an optically active 5H-pyrrolo [3,4-B] pyrazine derivative

Process for the preparation of an optically active 5H-pyrrolo [3,4-B] pyrazine derivative

A substantially pure dextrorotatory isomer of zopiclone or a pharmaceutically acceptable salt thereof and crystalline forms thereof are provided. Also provided is a process for its preparation and pharmaceutical compositions containing same.

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Bibliographische Detailangaben
Hauptverfasser: PILLAI BIJU KUMAR GOPINATHEN, ARJUNAN SANKAR, PRADHAN NITIN SHARAD CHANDRA, JOSHI NARENDRA SHRIRAM
Format: Patent
Sprache:eng
Schlagworte:
CHEMISTRY
HETEROCYCLIC COMPOUNDS
HUMAN NECESSITIES
HYGIENE
MEDICAL OR VETERINARY SCIENCE
METALLURGY
ORGANIC CHEMISTRY
PREPARATIONS FOR MEDICAL, DENTAL, OR TOILET PURPOSES
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Beschreibung
Zusammenfassung:A substantially pure dextrorotatory isomer of zopiclone or a pharmaceutically acceptable salt thereof and crystalline forms thereof are provided. Also provided is a process for its preparation and pharmaceutical compositions containing same.