Metal salts of 2′-(1H-Tetrazol-5yl)-1.1′-biphenyl-4-carboxaldehyde
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United States of America Patent
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Jun 1, 2010
Grant Date -
Sep 25, 2008
app pub date -
Jul 10, 2006
filing date -
Jul 11, 2005
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Expired
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Abstract
The invention relates to a method or process for the manufacture of blood pressure lowering agents, such as valsartan, novel intermediates as well as process steps in said synthesis. The method or process leads via the novel intermediate salts of the formula IA, is a cation and n is 1, 2, 3, 4, 5 or 6.
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