Suggested Reaction 1.1.99.-

Left

5,6,8,14-Tetradehydro-3,6-dimethoxy-17-methyl-morphinan-4,7-diol
+FAD

Right

5,6,8,14-Tetradehydro-4-hydroxy-3,6-dimethoxy-17-methyl-morphinan-7- one
+FADH2

[BiSSCat | GREP ]