Reaction of hexafluorothioacetone dimer with ketene dimethylacetal and dimethyl thioacetal

► Synthesis of 2,2-bis(trifluoromethyl)-3,3-bis(methoxy)thietane. ► Synthesis of 2,2-bis(trifluoromethyl)-4,4-bis(methoxy)thietane. ► Reactions of 2,2-bis(trifluoromethyl)-3,3-bis(methoxy)thietane.