54458-32-1Relevant articles and documents
LiBr/β-CD/IBX/H2O-DMSO: A new approach for one-pot biomimetic regioselective ring opening of chalcone epoxides to bromohydrins and conversion to 1,2,3-triketones
Verma, Nishant,Kumar, Sumit,Ahmed, Naseem
supporting information, p. 1110 - 1120 (2017/05/25)
Highly regioselective ring cleavage of chalcone epoxides to bromohydrins has been carried out in good yields with LiBr in the presence of β-CD using DMSO-H2O as solvent system. The ring-opened product, i.e., bromohydrin, was well adapted to IBX-mediated oxidation in such a fashion that the bromohydrins are transformed to their corresponding 1,2,3-triketones in moderate-to-good yields in one pot.
Introduction of Oxygen Functions into the α-Position of β-Diketones, 8. Ozonolysis of Sulfonium Ylides
Schank, Kurt,Schuhknecht, Christoph
, p. 3032 - 3041 (2007/10/02)
(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.