AN IMPROVED PROCESS FOR PREPARATION OF PITAVASTATIN CALCIUM AND POLYMORH THEREOF

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专利权人:

发明人:

DWIVEDI SHRIPRAKASH DHAR,PATEL DHIMANT JASUBHAI,SHAH ALPESH PRAVINCHANDRA

申请号：

IN2655/MUM/2011

公开号：

IN2011MU02655A

申请日:

2011.09.19

申请国别(地区):

IN

年份:

2013

代理人:

摘要：

The invention provides the process for the preparation of pitavastatin and its pharmaceuticaily acceptable salts thereof. In particular, the invention provides a process for the preparation of storage stable pitavastatin calcium in crystalline form having water content in the range of 5% to 10% wt/wt The present invention also provides stable crystalline form of pitavastatin calcium substantially free from crystal Form-A and use thereof for pharmaceutical compositions.

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