Palladium-Catalyzed Intramolecular Direct Arylation of 2-Bromo-diaryl Sulfoxides via C–H Bond Activation
作者:Thomas Wesch、Anaïs Berthelot-Bréhier、Frédéric R. Leroux、Françoise Colobert
DOI:10.1021/ol400966q
日期:2013.5.17
Efficient access to dibenzothiophene-S-oxides from differently substituted 2-bromo-diarylsulfinyl moieties using ligandless Pd(OAc)2 as the catalyst and KOAc as the base in dimethylacetamide at 130 °C is reported. Various dibenzothiophene-S-oxides were obtained in excellent yields.