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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...
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Titanium Dioxide Nanoparticles Catalyzed Synthesis of Hantzsch Esters and Polyhydroquinoline Derivatives(图)
titanium dioxide nanoparticles Hantzsch reaction 1,4-dihydropyridine polyhydroquinoline
2013/10/5
1,4-Dihydropyridine and polyhydroquinoline derivatives have been prepared efficiently in a one-pot synthesis via Hantzsch condensation using nanosized titanium dioxide as a heterogeneous catalyst. The...