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. ... The catalytic effect of VO(acac) 2 in the oxidation of sulfoxides to sulfones with chlorine dioxide was found. ... WE Truce, TC Klinger and WW Brand, in Organic Chemistry of Sulfur, ed. S. Oae, Plenum Press, New York, 1977, p. 527 and references therein.