C - Chemistry – Metallurgy – 07 – C
Patent
C - Chemistry, Metallurgy
07
C
C07C 257/06 (2006.01)
Patent
CA 2640585
Provided is a novel method of making 2-butyl-3-[[2'(1-trityl-1H-tetrazol-5- yl)biphen-4--yl]methyl]1,3-diazaspiro[4,4]non-1-ene-4-one, which can be converted to irbesartan. Also provided are methods of making irbesartan.
Dolitzky Ben-Zion
Kaftanov Julia
Nisnevich Gennady
Pertsikov Boris
Rukhman Igor
Heenan Blaikie Llp
Teva Pharmaceutical Industries Ltd.
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