EXTRACTION OF TRAMADOL FROM NAUCLEA LATIFOLIA SMITH

摘要

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.