A process for the preparation of etoricoxib

The present invention provides a improved process for preparing Etoricoxib using substituted ²-chlorovinaniidinium salts containing a cyclic group, optionally containing a heteroatom. The present invention also provides a process for the preparation of the intermediate ²-chlorovinamidinium salts. In...

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Bibliographic Details
Main Authors PANDEY, BIPIN, DAVE, MAYANK GHANSHYAMBHAI, SHAH, MITESH
Format Patent
LanguageEnglish
French
German
Published 25.07.2012
Subjects
CHEMISTRY
HETEROCYCLIC COMPOUNDS
METALLURGY
ORGANIC CHEMISTRY
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Summary:The present invention provides a improved process for preparing Etoricoxib using substituted ²-chlorovinaniidinium salts containing a cyclic group, optionally containing a heteroatom. The present invention also provides a process for the preparation of the intermediate ²-chlorovinamidinium salts. In one of the embodiments is provided a process for the purification of Etoricoxib as well as the intermediates.
Bibliography:Application Number: EP20120162558