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Synthesis of polyhydroquinoline derivatives via a four-component Hantzsch condensation catalyzed by tin dioxide nanoparticles（图）
Nano tin dioxide catalyst Hantzsch condensation Polyhydroquinoline 1,4-Dihydropyridine
2013/9/27
Tin dioxide (SnO2) nanoparticles efficiently catalyzed unsymmetrical four-component Hantzsch condensations of various aldehydes, dimedone, ethyl acetoacetate, and ammonium acetate to form polyhydroqui...