Methods for preparing eszopiclone

Methods for preparing eszopiclone

Methods for the preparation of crystalline eszopiclone free base in water, in the absence of organic solvents, are provided. The methods are more environmentally acceptable than prior art methods, and produce eszopiclone free base essentially free of residual organic solvent.

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Bibliographische Detailangaben
Hauptverfasser: MENDELOVICI MARIOARA, RAMATY REVITAL, FINKELSTEIN NINA, MAINFELD ALEX
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
SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS ORMEDICINAL PREPARATIONS
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Beschreibung
Zusammenfassung:Methods for the preparation of crystalline eszopiclone free base in water, in the absence of organic solvents, are provided. The methods are more environmentally acceptable than prior art methods, and produce eszopiclone free base essentially free of residual organic solvent.