Improved process for the preparation of an optically active...

Details Improved process for the preparation of an optically active... Improved process for the preparation of an optically active...

C - Chemistry, Metallurgy

07

D

C07D 487/04 (2006.01)

Patent

CA 2637542

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.

L'invention concerne un isomère dextrogyre de zopiclone sensiblement pur, ou un sel pharmaceutiquement acceptable de cet isomère, ainsi que des formes cristallines dudit isomère, L'invention concerne en outre un procédé pour sa préparation et des compositions pharmaceutiques le renfermant.

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