A process for the production of 14-oxygenated morphinan-6-ones wherein a methylether group in position 3 of the phenyl ring which has to be cleaved to obtain the hydroxy group, and wherein the protection of the hydroxy group in position 3 of the phenyl ring in the presence of a ketal group is avoided.
一种制备14-氧化
吗啡-6-酮的方法,其中苯环3位的
甲醚基必须被裂解以获得羟基,并且在醚羰基存在的情况下避免对苯环3位的羟基进行保护。