rmaceutical/Chemical: - 2-Iodonol is used in the synthesis of aryl 2-benzofuranyl and aryl 2-indolyl carbinols of high enantiomeric purity and 3,3-disubstituted-2,3-dihydrobenzofurans. - Coupling with nylacetylene in the presence of a Pd complex and CuI gives 2-nylbenzofuran in good yield.