AN IMPROVED PROCESS FOR PREPARATION OF DAPAGLIFLOZIN PROPANEDIOL MONOHYDRATE

The present invention relates to an improved process for preparation of Dapagliflozin propanediol monohydrate of formula (I). The invention further relates to an improved process for the preparation of substantially pure intermediate of formula (VI) having des-bromo impurity of formula (VIII) less t...

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Bibliographische Detailangaben
Hauptverfasser:	PIMPARKAR, Hemant, DEVGIRKAR, Mahesh, PAWAR, Anil, BHALERAO, Rahul, NAMBIAR, Sudhir, GILLA, Goverdhan
Format:	Patent
Sprache:	eng ; fre
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:	The present invention relates to an improved process for preparation of Dapagliflozin propanediol monohydrate of formula (I). The invention further relates to an improved process for the preparation of substantially pure intermediate of formula (VI) having des-bromo impurity of formula (VIII) less than 0.15%. La présente invention concerne un procédé amélioré de préparation du monohydrate de dapagliflozine propanediol de formule (I). L'invention concerne en outre un procédé amélioré pour la préparation d'un intermédiaire sensiblement pur de formule (VI) ayant un taux d'impuretés des-bromo de formule (VIII) inférieur à 0,15 %.