Vilsmeier reactions with cyclic ketals of 14-hydroxydihydrocodeinone and some new cyclic derivatives of 14-hydroxydihydrocodeinone.
D055598:Chemical Phenomena; D002621:Chemistry; D003061:Codeine; D003525:Cyclosteroids; D007202:Indicators and Reagents; D007659:Ketones
D003525:Cyclosteroids; D007202:Indicators and Reagents; D007659:Ketones; D003061:Codeine