NiFe<sub>2</sub>O<sub>4</sub> Nanoparticles: A Green and Reusable Heterogeneous Catalyst for the Synthesis of Spiro[indole-3,2′-Pyrrole]-2,5′(1<i>H</i>,1′<i>H</i>)-Diones
作者:Roghaiieh Meghyasi、Javad Safaei-Ghomi、Mahboubeh A. Sharif
DOI:10.3184/174751916x14640003438169
日期:2016.7
NiFe2O4 nanoparticles were used as an efficient catalyst for the preparation of spiro[indole-3,2′-pyrrole]-2,5′(1H,1′H)-diones by the multi-component condensation reaction of arylamines, acetylenedicarboxylates and isatins under reflux conditions in ethanol.