Esterification of Levulinic Acid with Different Alcohols Using Mesoporous Stannosilicates As the Catalyst
Bruna Ezequielle Bernardes Costa,
Antonio Osimar Souza da Silva,
Simoni Margareti Plentz Meneghetti
Abstract:The mesoporous stannosilicates SnMCM-41−25 and SnMCM-41−80, synthesized, respectively, at 25 and 80 °C and exhibiting a well-ordered hexagonal structure, were applied for the first time as heterogeneous catalysts in the esterification of levulinic acid (LA) with different alcohols. The nonhydrothermal method was effective to obtain materials with a high degree of ordering, high acidity, and promising catalytic activity in this esterification. The SnMCM-41−80 led to conversions of 71.0 and 83.6% in 120 and 180 … Show more
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