Abstract
Surface functionalization of SBA-15 followed by its reaction with manganese acetate has been carried out to develop a new Mn-grafted functionalized mesoporous material and it was characterized by powder X-ray diffraction (XRD), BET nitrogen adsorption–desorption, IR spectroscopy, transmission electron microscopy and diffuse reflectance UV–Vis spectroscopy. The XRD and TEM analyses showed that textural properties of SBA-15 were retained during the grafting procedure and after five-time recycling. The resulting material was successfully applied as a heterogeneous catalyst for Knoevenagel condensation in good to excellent yields under mild conditions.
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