Synthesis of quinolines and fused pyridocoumarins from N-propargylanilines or propargylaminocoumarins by catalysis with gold nanoparticles supported on TiO2
作者:Theodoros S. Symeonidis、Ioannis N. Lykakis、Konstantinos E. Litinas
DOI:10.1016/j.tet.2013.04.026
日期:2013.6
[5,6]-Fused pyridocoumarins are prepared under mild conditions in excellent yields through the activation of the triple bond of 6-propargylaminocoumarins by gold nanoparticles supported on TiO2. The analogous reaction of N-propargylanilines with Au/TiO2 or Au/Al2O3 resulted in the formation of quinolines.
[5,6]-吡啶并香豆素是在温和的条件下通过负载在TiO 2上的金纳米粒子活化6-炔丙基氨基香豆素的三键而以极好的收率制备的。N-炔丙基苯胺与Au / TiO 2或Au / Al 2 O 3的类似反应导致喹啉的形成。