• Converts alcohols and phenols to their monosulfates under mild conditions: Ber., 57, 1045 (1924); J. Am. Chem. Soc., 74, 5212 (1952).
•
Conditions have been described for the conversion of organolithiums in THF to sulfonic acids by insertion of SO3 into the C-Li bond: J. Org. Chem., 61, 1530 (1996):

• Reagent for the dehydration of oximes: Synthesis, 702 (1978).