Synthesis of 2,2′,6-Trisubstituted and 2,2′,6,6′-Tetrasubstituted Diaryl Sulfides and Diaryl Sulfones by Copper-Promoted Coupling and/or Ortholithiation
作者:Jonathan Clayden、James Senior
DOI:10.1055/s-0029-1217986
日期:2009.10
highly sterically encumbered 2,6-disubstituted thiophenols and aryl iodides to form hindered diarylsulfides. Hindered diarylsulfones may be made in a complementary fashion by ortholithiation of the sulfone oxidation products of less hindered diarylsulfides.