journal of Catalysis

“Nafion”-functionalized mesoporous MCM-41 silica shows high activity and selectivity for carboxylic acid esterification and Friedel–Crafts acylation reactions

M Alvaro, A Corma, D Das, V Fornés, H García

Index: Alvaro, Mercedes; Corma, Avelino; Das, Debasish; Fornes, Vicente; Garcia, Hermenegildo Journal of Catalysis, 2005 , vol. 231, # 1 p. 48 - 55

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Citation Number: 36

Abstract

Hybrid organic–inorganic MCM-41 silicas functionalized with perfluoroalkylsulfonic acid groups analogous to that of Nafion were prepared in a simple single step by a condensation reaction between surface silanol groups of the mesoporous silicas and 1, 2, 2-trifluoro-2- hydroxy-1-trifluoromethyl-ethane sulfonic acid Beta-sultone. The catalysts showed very high activity for the esterification of long-chain fatty acids with ethanol and high-molecular- ...