S. Rozen et Y. Bareket, A NOVEL OXIDATION OF THIOPHENES USING HOF-CENTER-DOT-MECN, Journal of the Chemical Society, Chemical Communications, (17), 1994, pp. 1959-1959
The complex, HOF.MeCN made directly by bubbling fluorine through aqueo
us MeCN, oxidizes various types of thiophenes to the corresponding S,S
-dioxides, including ones which could not be oxidized by any other met
hod.