Abstract
Mesoporous silica SBA-15 was synthesized using H3PO4 and functionalized with ethylendiaminopropyltrimethoxysilane (H2N–(CH2)2–NH–(CH2)3–) by grafting method. A variety of transition metals such as Co and Mn have been coordinated with amine-functionalized silica SBA-15. The materials have been characterized by XRD, FT-IR, BET, TGA, 13C-NMR, DR UV–Vis, atomic absorption spectroscopy (AAS) and back titration using NaOH (0.1 N). The catalytic performance of obtained catalyst was determined for hydroxylation of benzene using H2O2 as oxidant in the presence of O2 atmosphere. At optimized conditions, the Mn-amine-functionlized mesoporous silica SBA-15 exhibited high catalytic activity at room temperature in the absence of solvent.
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The Support from Islamic Azad University, Shahreza Branch (IAUSH) Research Council and Center of Excellence in Chemistry is gratefully acknowledged.
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Javad Kalbasi, R., Massah, A.R., Zamani, F. et al. Metal (Co, Mn)-amine-functionalized mesoporous silica SBA-15: synthesis, characterization and catalytic properties in hydroxylation of benzene. J Porous Mater 18, 475–482 (2011). https://doi.org/10.1007/s10934-010-9400-6
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DOI: https://doi.org/10.1007/s10934-010-9400-6