One-pot synthesis of 2,2′-bisbenzofurans using cuprous chloride as a catalyst

Article abstract of DOI:10.1016/j.tetlet.2013.03.040

A variety of novel 5,5′-disubstituted-2,2′-bisbenzofuran derivatives were synthesized by treatment of 4-substituted-2-(2- trimethylsilylethynyl)phenyl tert-butyldimethylsilyl ether analogues with CuCl as a catalyst in 62-82% isolated yields. This novel st