Introduction of Oxygen Functions into the α-Position of β-Diketones, 8. Ozonolysis of Sulfonium Ylides
(Dimethylsulfonio)diacylmethanides 1, prepared by known methods, are cleaved by equimolar amounts of ozone in aprotic medium yielding vicinal triketones 2 and DMSO.Peroxydic reaction products are not detectable.