PROCESS FOR PREPARING OXYMORPHONE, NALTREXONE, AND BUPRENORPHINE

摘要

Methods are provided which include converting oripavine to other opiates, including converting oripavine to naltrexone, buprenorphine, 14-hydroxymorp hinone and/or converting 14-hydroxymorphinone to oxymorphone. Purification a nd salt formation are optionally included.