Synthesis of optically active β,γ-diketo-p-tolylsulfoxides

Article abstract of DOI:10.1016/S0957-4166(00)82309-5

Chiral β,γ-diketo-p-tolylsulfoxides were prepared in high yields by three different methods: 1,3-diketone dianions on menthyl (-)(S) p-tolylsulfinate, methyl (+)(R) p-tolylsulfoxide anion on β-ketoester and finally (+)(R) p-tolylsulfinyl 2-propanone dianion on carboxylic ester,