Iron-catalyzed cross-coupling of terminal alkynes with arylboronic acids under mild conditions has been developed. Although the reaction gave only moderate yields, the advantage of this method was its use of convenient and inexpensive iron catalyst.
Keywords: Arylboronic acids, iron catalyst, terminal alkynes, trimethoxysilanes, palladium/silver-catalyzed, methylphenylacetylene, electron-deficient groups, inorganic bases, carboxyl, fluoro