Suggested Reaction 1.3.3.-

Left

dTDP-4-oxo-2,6-dideoxy-L-mannose
+O2

Right

dTDP 1-ester with (6R)-5,6-dihydro-4-hydroxy-6-methyl-5-oxo-2H-pyran
+H2O2

[BiSSCat | GREP ]