Suggested Reaction 1.1.4.-

Left

(13E)-11alpha-Hydroxy-9,15-dioxoprost-13-enoate
+1,4-Dithiothreitol

Right

(13E)-(15S)-11alpha,15-Dihydroxy-9-oxoprost-13-enoate
+Oxidized dithiothreitol

[BiSSCat | GREP ]