A process for the purification of roxithromycin by crystallisation from methanol

摘要

This process for the purification of roxithromycin, an antibiotic for therapeutic purposes, is characterised that the purification is carried out by the dissolution or suspension of the product in methanol followed by cooling. Purification may also be obtained by addition of a non-solvent and/or by concentration of the mixture, thus obtaining a purified product