Publicação: Synthesis of Phenyl Esters Using SiO2-SO3H Catalyst in Conventional Heating and Microwave-Irradiated Esterification Processes
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Amer Scientific Publishers
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A SiO2-SO3H amorphous catalyst containing a small surface area of 115.0 m(2)g(-1) and 1.32 mmol H+/g was prepared from fine construction sand and sodium carbonate and sulfonated with H2SO4. In a 10% (w/w) basis, it is very efficient for catalyzing the esterification of carboxylic acids with phenol. The reaction processes were performed using conventional heating and under microwave irradiation. The yields were higher in the microwave-irradiated esterification. The catalyst could be used for three esterification sequences in both processes.
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Micro-Meso-Macroporosity Catalyst, Phenyl Esters, Solvent Free Esterification, Microwave Irradiation, Phenyl Acetate, Diphenyl Oxalate, Diphenyl Carbonate Precursor
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Journal Of Nanoscience And Nanotechnology. Valencia: Amer Scientific Publishers, v. 19, n. 6, p. 3663-3668, 2019.
