EXTRACTION OF TRAMADOL FROM NAUCLEA LATIFOLIA SMITH
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United States of America Patent
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Feb 11, 2016
app pub date -
Mar 26, 2014
filing date -
Mar 26, 2013
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Abstract
A process for obtaining (±)-cis-2-dimethylaminomethyl-1-(3-methoxyphenyl)-cyclohexanol includes the following steps: (a) extracting from roots of Nauclea Latifolia with an appropriate solvent, leading to a crude residue, and (b) purifying the crude residue to obtain a purified residue containing (±)-cis-2-dimethylaminomethyl-1-(3-methoxyphenyl)cyclohexanol.
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