Oxidative 1,2-aryl rearrangement in flavanones using thallium(III) p-tolylsulphonate (TTS): A new useful route to isoflavones

Article abstract of DOI:10.1016/S0040-4039(00)94689-6

Oxidation of flavanones using thallium(III) p-tolylsulphonate (prepared in situ by the reaction of thallium(III) acetate and p-toluene sulphonic acid) in propionitrile leads to 1,2-aryl shift providing a new useful route to the synthesis of isoflavones.