Abstract
Fe3O4 nano-particles supported on cellulose were provided as a catalyst via in situ preparation of Fe3O4 nano-particles and their deposition on cellulose. This catalyst, after characterization with TEM and FAAS analyses, was used as an efficient heterogeneous catalyst for the synthesis of pyrimido[4,5-b]quinolines. Three-component reaction of various aromatic aldehydes, 6-amino-1,3-dimethyluracil, and dimedone or 1,3-cyclohexadione in H2O as a green solvent under reflux conditions after 2 h gave pyrimido[4,5-b]quinolines in high yields. Fe3O4 supported on cellulose was recycled in the reaction for 5 cycles without significant decrease in activity.
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We gratefully acknowledge financial support from the Research Council of Tabriz Branch of Islamic Azad University.
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Edjlali, L., Khanamiri, R.H. & Abolhasani, J. Fe3O4 nano-particles supported on cellulose as an efficient catalyst for the synthesis of pyrimido[4,5-b]quinolines in water. Monatsh Chem 146, 1339–1342 (2015). https://doi.org/10.1007/s00706-014-1368-5
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DOI: https://doi.org/10.1007/s00706-014-1368-5