Title of Invention

AN IMPROVED PROCESS FOR THE PREPARATION OF AN ANTIVIRAL AGENT

Abstract The present invention relates to an improved process for the preparation of pure Ribavirin of Formula I, from an intermediate Beta-D-ribofuranose derivative of Formula II Wherein R1 represents protecting groups and R2 represents alkyl groups which in turn is prepared from triazole derivative and ribofuranose compound in the presence of catalytic amount of triflouromethane sulfonic acid in the presence or absence of solvent.
Full Text

Documents:

383-che-2004 abstract.pdf

383-che-2004 claims granted.pdf

383-che-2004 correspondence others.pdf

383-che-2004 correspondence po.pdf

383-che-2004 description (complete) granted.pdf

383-che-2004 form 1.pdf

383-che-2004 form 19.pdf

383-che-2004 form 3.pdf

383-che-2004 form 5.pdf


Patent Number 238921
Indian Patent Application Number 383/CHE/2004
PG Journal Number 10/2010
Publication Date 05-Mar-2010
Grant Date 26-Feb-2010
Date of Filing 27-Apr-2004
Name of Patentee AUROBINDO PHARMA LIMITED
Applicant Address PLOT No.2, MAITRIVIHAR COMPLEX, AMEERPET, HYDERABAD - 500 038
Inventors:
# Inventor's Name Inventor's Address
1 BUDIDET SANKAR REDDY PLOT No.2, MAITRIVIHAR COMPLEX, AMEERPET, HYDERABAD - 500 038
PCT International Classification Number A61K31/7056
PCT International Application Number N/A
PCT International Filing date
PCT Conventions:
# PCT Application Number Date of Convention Priority Country
1 NA