Process for synthesis and purification of anhydrous crystalline S-zopiclone
申请人:Apotecnia , S.A.
公开号:EP2058313A3
公开(公告)日:2009-06-24
Process for synthesis and purification of anhydrous crystalline S-zopiclone for the preparation of enantiomerically pure S)-5-chloromethyloxycarbonyloxy)-6-5-chloropyrid-2-yl)-7-oxo-5,6-dihydropyrrolo[3,4b]pyrazine (S)-(I).