The [(E,E,E)-1,6,11-tris(p-toluenesulfonyl)-1,6,11-triazacyclopentadeca-3,8,13-triene]Pd(0) complex in the hydroarylation of alkynes in ionic liquids. An approach to quinolines
作者:Sandro Cacchi、Giancarlo Fabrizi、Antonella Goggiamani、Marcial Moreno-Mañas、Adelina Vallribera
DOI:10.1016/s0040-4039(02)01120-6
日期:2002.8
The hydroarylation of alkynes can be successfully conducted in 1-butyl-3-methylimidazolium tetrafluoroborate ([bmin]BF4) in the presence of the [(E,E,E)-1,6,11-tris(p-toluenesulfonyl)-1,6.11-triacyclopentadeca-3 8,13-triene]Pd(0) complex. The catalytic ionic Solution can be recycled for reuse in subsequent reaction runs. The procedure has been applied to the preparation of 3-arylquinolines through a domino hydroarylation/cyclization process. (C) 2002 Elsevier Science Ltd. All rights reserved.