Indium triflate-catalysed double addition of heterocyclic arenes to alkynes.
Indium triflate was found to be a prominent catalyst for addition of heterocyclic arenes to alkynes to afford 2:1 adducts, where two heterocyclic arenes regioselectively attacked the same carbon atom of alkynes.
Graduate School of Materials Science, Japan Advanced Institute of Science and Technology, Asahidai, Tatsunokuchi, Ishikawa 923-1292, Japan. tsuchimo@jaist.ac.jp
Teruhisa
T
Tsuchimoto
Kyuya
K
Hatanaka
Eiji
E
Shirakawa
Yusuke
Y
Kawakami