摘要 |
<P>PROBLEM TO BE SOLVED: To provide a process for preparing an oxycodone hydrochloride composition having less impurities. <P>SOLUTION: The process for preparing the oxycodone hydrochloride composition having less than 25 ppm 14-hydroxycodeinone includes hydrogenating, in a solvent, the oxycodone hydrochloride composition having at least less than 100 ppm 14-hydroxycodeinone. <P>COPYRIGHT: (C)2013,JPO&INPIT |