Tv. Rao et al., OXIDATION OF SULFIDES BY MOLECULAR OXYGEN-ALDEHYDE SYSTEM IN THE ABSENCE OF METAL CATALYST, Synthetic communications, 28(2), 1998, pp. 319-326
Molecular Oxygen/2-methylpropanal system provides a simple, efficient,
and environmentally acceptable synthetic tool to convert sulphides to
sulphones in near quantitative yields and to sulphoxides in high sele
ctivity and good yields under ambient conditions.