Synthesis of Spirooxindoles Using CuFe2O4 Nanoparticles

2013 Synfacts  
Significance: CuFe 2 O 4 nanoparticles catalyzed the three-component coupling of cyclohexane-1,3-diones, activated acetonitriles and isatins to give the corresponding spirooxindoles (38 examples, 81-97% yield).
doi:10.1055/s-0033-1340397 fatcat:wwrp2lshu5brvcv6vgnvmzf5au