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
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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.