Suggested Reaction 1.21.4.-

Left

(13aS)-5,8,13,13a-tetrahydro-3,10-dimethoxy-6H- dibenzo[a,g]quinolizine-2,9-diol
+1,4-Dithiothreitol

Right

(S)-Reticuline
+Oxidized dithiothreitol

[BiSSCat | GREP ]