Fe3O4@MCM-48–SO3H: An efficient magnetically separable nanocatalyst for the synthesis of benzo[f]chromeno[2,3-d]pyrimidinones
作者： Hassan Kefayati , Mostafa Golshekan , Shahab Shariati , Mahsa Bagheri
DOI: 10.1016/S1872-2067(14)60286-2
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摘要: Abstract Sulfonic acid groups were grafted onto three different types of synthesized magnetic nanoparticles, namely Fe 3 O 4 , @SiO 2 and @MCM-48. The sulfonic acid-functionalized nanoparticles evaluated as catalysts for the synthesis 5-aryl-1 H -benzo[ f ]chromeno[2,3- d ]pyrimidine-2,4(3 ,5 )-dione derivatives in terms activity recyclability. Their catalytic activities compared with that homogeneous catalyst 1-methylimidazolium hydrogen sulfate ([HMIm][HSO ]). @MCM-48–SO was comparable to those other heterogeneous catalysts.
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