A Route to 5-Substituted Dibenzofurans by Anionic Cycloaromatization of 2-(6-substituted 3-hexen-1,5-diynyl)phenyl tert-butyldimethyl ethers and Related Molecules

An anionic cycloaromatization reaction provides an efficient method for the synthesis of the dibenzofurans 2 by treatment of the tert-butyldimethylsilyl ethe...