One-pot three-component synthesis of pyrido[2′,1′:2,3]imidazo[4,5-c]isoquinolines using Fe3O4@SiO2–OSO3H as an efficient heterogeneous nanocatalyst
RSC Advances Pub Date: 2014-11-24 DOI: 10.1039/C4RA10856F
Abstract
The synthesis of pyrido[2′,1′:2,3]imidazo[4,5-c]isoquinolines via a one-pot three-component reaction by using benzene-1,2-dicarbaldehyde, trimethylsilylcyanide and various pyridin-2-amines in the presence of a catalytic amount of superparamagnetic nano-Fe3O4@SiO2 anchored sulfuric acid in ethanol in good-to-high yields is described.
![Graphical abstract: One-pot three-component synthesis of pyrido[2′,1′:2,3]imidazo[4,5-c]isoquinolines using Fe3O4@SiO2–OSO3H as an efficient heterogeneous nanocatalyst](http://scimg.chem960.com/usr/1/C4RA10856F.jpg)
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Journal Name：RSC Advances
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CAS no.: 89640-58-4
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