Process for the preparation of gabapentin free from inorganic acids anions
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United States of America Patent
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Sep 14, 2004
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app pub date -
May 27, 2003
filing date -
Apr 18, 2003
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Abstract
Gabapentin free from mineral acids anions is obtained by precipitating from a gabapentin aqueous solution a corresponding hydroxybenzoate, from which pure gabapentin is subsequently obtained by dissolution in a lower alcohol and treatment with a tertiary base.
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