WO2010018441A2 - An improved process for the preparation of substantially pure telmisartan - Google Patents

An improved process for the preparation of substantially pure telmisartan Download PDF

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Publication number
WO2010018441A2
WO2010018441A2 PCT/IB2009/006505 IB2009006505W WO2010018441A2 WO 2010018441 A2 WO2010018441 A2 WO 2010018441A2 IB 2009006505 W IB2009006505 W IB 2009006505W WO 2010018441 A2 WO2010018441 A2 WO 2010018441A2
Authority
WO
WIPO (PCT)
Prior art keywords
telmisartan
ethyl
ethyl ester
biphenyl
solvent
Prior art date
Application number
PCT/IB2009/006505
Other languages
French (fr)
Other versions
WO2010018441A3 (en
Inventor
Bakulesh Mafatlal Khamar
Ishrat Husain Siddiqui
Ravi Ponnaiah
Indravadan Ambalal Modi
Original Assignee
Cadila Pharmaceuticals 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
Priority to IN1695MU2008 priority Critical
Priority to IN1695/MUM/2008 priority
Application filed by Cadila Pharmaceuticals Ltd. filed Critical Cadila Pharmaceuticals Ltd.
Publication of WO2010018441A2 publication Critical patent/WO2010018441A2/en
Publication of WO2010018441A3 publication Critical patent/WO2010018441A3/en

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