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Title:
PROCESS FOR THE PREPARATION OF FORM II CLARITHROMYCIN
Document Type and Number:
WIPO Patent Application WO2005061524
Kind Code:
A3
Abstract:
The present invention provides an efficient process for the preparation of polymorphic Form I and II of clarithromycin. The process includes drying wet clarithromycin obtained after purification in the presence of nitrogen gas and in the absence of vacuum. The invention also relates to pharmaceutical compositions that include the Form II of clarithromycin and use of said compositions for treating a condition for which antibiotics are indicated.

Inventors:
KHANDURI CHANDRA HAS (IN)
BABU JAYACHANDRA SURESH (IN)
RAY PURNA CHANDRA (IN)
SHAH ZIGAR BHASKARBHAI (IN)
KUMAR YATENDRA (IN)
Application Number:
PCT/IB2004/004182
Publication Date:
March 23, 2006
Filing Date:
December 17, 2004
Export Citation:
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Assignee:
RANBAXY LAB LTD (IN)
KHANDURI CHANDRA HAS (IN)
BABU JAYACHANDRA SURESH (IN)
RAY PURNA CHANDRA (IN)
SHAH ZIGAR BHASKARBHAI (IN)
KUMAR YATENDRA (IN)
International Classes:
C07H1/00; C07H17/08; (IPC1-7): C07H17/08; A61K31/7048; A61P31/04; C07H1/00
Domestic Patent References:
WO2001044262A12001-06-21
WO2001051059A12001-07-19
Foreign References:
US6627743B12003-09-30
US5858986A1999-01-12
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