Download full text in PDF Opens in a new window. Article suggestions will be shown in a dialog on return to ScienceDirect. ... Please enable JavaScript to use all the features on this page. ... A procedure for the oxidation of sulfides to sulfones using ruthenium tetroxide as catalyst and periodic acid as stoichiometric oxidant in a biphasic system (CCl 4 , CH 3 CN, H 2 O) is reported. ... The oxidation of sulfides to sulfones using ruthenium tetroxide as catalyst ...