Novel crystalline forms of (S)-N-(1-Carboxy-2-methyl-prop-1-y)-N-pentanoyl-N[2'-(1H-tetrazol-5-yl)bi--phenyl-4-ylmethyl]-amine
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Nov 21, 2007
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May 25, 2005
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Abstract
This invention relates to novel crystalline forms of valsartan, namely Form A, Form B, Form C, Form D and their solvates thereof. Processes for the preparation of the novel forms are also provided. The present invention further relates to novel processes for preparing a stable amorphous form of valsartan, and in this connection, to the amorphous form of valsartan produced by such processes. The present invention also discloses a novel process for obtaining stable Form I crystals of valsartan.
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