IN2014CH02021A - - Google Patents

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Publication number
IN2014CH02021A
IN2014CH02021A IN2021CH2014A IN2014CH02021A IN 2014CH02021 A IN2014CH02021 A IN 2014CH02021A IN 2021CH2014 A IN2021CH2014 A IN 2021CH2014A IN 2014CH02021 A IN2014CH02021 A IN 2014CH02021A
Authority
IN
India
Prior art keywords
rifaximin
preparation
improved processes
rifamycin
novel polymorph
Prior art date
Application number
Inventor
Venkata Naga Kali Vara Prasada Raju Vetukuri
Ambaiah Boini
Krishna Prasad Chigurupati
Original Assignee
Granules India Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Granules India Ltd filed Critical Granules India Ltd
Priority to CA2946101A priority Critical patent/CA2946101A1/en
Priority to IN2021CH2014 priority patent/IN2014CH02021A/en
Priority to EP15780496.4A priority patent/EP3134415A4/en
Priority to PCT/IB2015/052854 priority patent/WO2015159275A2/en
Priority to US15/304,740 priority patent/US9765088B2/en
Publication of IN2014CH02021A publication Critical patent/IN2014CH02021A/en

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Abstract

Improved processes for the preparation of Rifaximin. Particularly, improved processes for the preparation of Rifaximin from Rifamycin O and S. More particularly a novel polymorph of Rifaximin and process for its preparation are provided.
IN2021CH2014 2014-04-19 2015-04-19 IN2014CH02021A (en)

Priority Applications (5)

Application Number Priority Date Filing Date Title
CA2946101A CA2946101A1 (en) 2014-04-19 2015-04-19 An improved process for the preparation of rifamycin derivatives
IN2021CH2014 IN2014CH02021A (en) 2014-04-19 2015-04-19
EP15780496.4A EP3134415A4 (en) 2014-04-19 2015-04-19 An improved process for the preparation of rifamycin derivatives
PCT/IB2015/052854 WO2015159275A2 (en) 2014-04-19 2015-04-19 An improved process for the preparation of rifamycin derivatives
US15/304,740 US9765088B2 (en) 2014-04-19 2015-04-19 Process for the preparation of rifamycin derivatives

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IN2021CH2014 IN2014CH02021A (en) 2014-04-19 2015-04-19

Publications (1)

Publication Number Publication Date
IN2014CH02021A true IN2014CH02021A (en) 2015-10-23

Family

ID=54396327

Family Applications (1)

Application Number Title Priority Date Filing Date
IN2021CH2014 IN2014CH02021A (en) 2014-04-19 2015-04-19

Country Status (1)

Country Link
IN (1) IN2014CH02021A (en)

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IN2014CH02021A (en)