New crystalline form of Atorvastatin hemi-calcium

The present invention relates to a new crystalline form of Atorvastatin hemi-calcium and also relates to a process for preparation of the same by treating Atorvastatin hemi-calcium amorphous form or form-I or mixture of amorphous and crystalline forms with methanol.

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Bibliographische Detailangaben
Hauptverfasser:	GORANTLA, SEETA RAMANJANEYULU, GOGULAPATI, VENKATA PANAKALA RAO, BANDARI, MOHAN, CHAVAKULA, RAMDAS
Format:	Patent
Sprache:	eng
Schlagworte:	CHEMISTRY HETEROCYCLIC COMPOUNDS METALLURGY ORGANIC CHEMISTRY
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Beschreibung
Zusammenfassung:	The present invention relates to a new crystalline form of Atorvastatin hemi-calcium and also relates to a process for preparation of the same by treating Atorvastatin hemi-calcium amorphous form or form-I or mixture of amorphous and crystalline forms with methanol.