Suggested Reaction 1.1.4.-

Left

dTDP 1-ester with (6S)-5,6-dihydro-4-hydroxy-6-methyl-5-oxo-2H-pyran
+1,4-Dithiothreitol

Right

dTDP 1-ester with 2,6-dideoxy-L-erythro-hexopyranos-3-ulose
+Oxidized dithiothreitol

[BiSSCat | GREP ]