Gold-catalyzed intramolecular [3 + 2]-cycloaddition of arenyne-yne functionalities.
We report a new efficient intramolecular [3 + 2]-cycloaddition of unactivated arenyne (or enyne)-yne functionalities, catalyzed mainly by the AuPPh3SbF6 complex (2 mol %) under ambient conditions. The value of this cyclization is reflected by its applicability to a wide range of diyne substrates bearing various functional groups.
Lian
Jian-Jou
JJ
Department of Chemistry, National Tsing-Hua University, Hsinchu, Taiwan, Republic of China.
Chen
Po-Chiang
PC
Lin
Yau-Ping
YP
Ting
Hao-Chun
HC
Liu
Rai-Shung
RS