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A composite material Ti/SIL was prepared by Ti(OC4H9)4 coordinating to imidazolium ionic liquid grafted on SBA-15 and characterized by FT-IR, XRD, TEM, XPS, NH3-TPD and N2 adsorption–desorption technique. The catalytic performance of the prepared Ti/SIL for solvent-free oxidation of α-methylstyrene (AMS) to acetophenone using H2O2 oxidant was evaluated, achieving high TOF (23.2 h−1). The adsorption...
A composite material (FeSIL) prepared by FeCl3-imidazolium ionic liquid grafted on SBA-15 exhibited effective catalytic activity for solvent-free oxidation of styrene into benzaldehyde with high selectivity using H2O2 oxidant and it presented easy recovery and reusability. In situ DRIFTS spectra for styrene and H2O2 adsorption showed that an intermediate Fe3+–π surface complex on the catalyst surface...
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