Suggested Reaction 1.3.4.-

Left

2,3-Dihydroxy 1,1,1-Trichloro-2,2-bis(4'-chlorophenyl)ethane
+1,4-Dithiothreitol

Right

cis-2,3-Dihydrodiol 1,1,1-Trichloro-2,2-bis(4'-chlorophenyl)ethane
+Oxidized dithiothreitol

[BiSSCat | GREP ]