Abstract
Liquid phase acetylation of 1,2-dimethoxybenzene with acetic anhydride has been examined for a series of acid gallium-mesoporous materials (MCM-41) with different Si/Ga ratios (Si/Ga = 80, 50 and 10) synthesized by microwave irradiation method. Physical adsorption of nitrogen, inductively coupled plasma, and the X-ray diffraction techniques, transmission electron microscopy, Fourier transform infrared spectroscopy, and a temperature-programmed desorption of pyridine were applied to characterize the catalysts. A mesoporous sample with Si/Ga = 10 showed better performance in the acid-cataiyzed acetylation of 1,2-dimethoxybenzene with acetic anhydride as an acylating agent. In addition, the kinetics of the reaction in the presence of these catalysts has been investigated.
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Bachari, K., Guerroudj, R.M. Catalytic behaviour of gallium-containing mesoporous silicas (MCM-41) in the acetylation reaction. Kinet Catal 53, 395–403 (2012). https://doi.org/10.1134/S0023158412030032
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DOI: https://doi.org/10.1134/S0023158412030032