Most reports on the thermal reactions of sulfoxides refer to sulfenic acid elimination, as a synthetic method for introducing double bonds into aliphatic carbon chains. However, under heating conditions, a Pummerer rearrangement might occur in the absence of catalyst, as described in the 60s of the last century, accounting for the formation of butyraldehyde and benzaldehyde from di-butylsulfoxide [11. Barnard-Smith DG, Ford JF. Formation of aldehyde in pyrolysis ...
