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.
Tsuchimoto
Teruhisa
T
Graduate School of Materials Science, Japan Advanced Institute of Science and Technology, Asahidai, Tatsunokuchi, Ishikawa 923-1292, Japan. tsuchimo@jaist.ac.jp
Hatanaka
Kyuya
K
Shirakawa
Eiji
E
Kawakami
Yusuke
Y