Process for the preparation of rifamycin derivatives

The present invention relates to an improved and industrially advantageous process for the preparation of Rifaximin with high purity and yield. Particularly, the present invention relates to improved processes for the preparation of Rifaximin from Rifamycin O and S. More particularly the present inv...

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Bibliographic Details
Main Authors Chigurupati Krishna Prasad, Gilla Goverdhan, Vetukuri Vnkv Prasada Raju, Boini Ambaiah
Format Patent
LanguageEnglish
Published 19.09.2017
Subjects
APPARATUS THEREFOR
CHEMISTRY
GENERAL METHODS OF ORGANIC CHEMISTRY
HETEROCYCLIC COMPOUNDS
METALLURGY
ORGANIC CHEMISTRY
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Summary:The present invention relates to an improved and industrially advantageous process for the preparation of Rifaximin with high purity and yield. Particularly, the present invention relates to improved processes for the preparation of Rifaximin from Rifamycin O and S. More particularly the present invention relates to a process for the preparation of Rifaximin through 3-halorifamycin S. The present invention further relates to a novel polymorph of Rifaximin and process for its preparation.
Bibliography:Application Number: US201515304740