Suggested Reaction 1.21.4.-

Left

(S)-Stylopine
+1,4-Dithiothreitol

Right

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

[BiSSCat | GREP ]