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US 2006/0149079 A1Published application
Process for preparing valsartan
AssigneeDr. Reddy's Laboratories, Inc.
InventorsPratap Padi, Satya Bollikonda, Ananda Jasty, Suma Yasareni, Vishal Parmar
Life of this patent
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Abstract
A process for preparing valsartan.
Claims14
A process for preparing valsartan, comprising condensing N-[(2′-cyanobiphenyl-4-yl)methyl]-(L)-valine methyl ester, or a salt thereof, with valeryl chloride in the presence of an inorganic base to form N-[(2′-cyanobiphenyl-4-yl)methyl]-N-valeryl-(L)-valine methyl ester.
A compound having the formula
A process for preparing valsartan, comprising hydrolyzing a compound having the formula
Dependencies are inferred from the claim text.