Suggested Reaction 1.21.3.-

Left

(6aS)-6,6a,11,14-Tetrahydro-8-methoxy-12H-benzo[a]-1,3- benzodioxolo[4,5-g]quinolizim-9-ol
+O2

Right

(S)-Stylopine
+H2O2

[BiSSCat | GREP ]