Therefore, there is a need remaining to provide a method of demethylating {TAIL ~ 14 OH substituted alkaloid derivatives}, and in particular, oxycodone and oxymorphone without the need of protecting/deprotecting {HEAD ~ the 14 OH group} 
Therefore , there is a need remaining to provide a method of demethylating { TAIL ~ 14 OH substituted alkaloid derivatives } , and in particular , oxycodone and oxymorphone without the need of protecting / deprotecting { HEAD ~ the 14 OH group }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD