Acetalization of carbonyl compounds catalyzed by acidic ionic liquid immobilized on silica gel

J Miao, H Wan, Y Shao, G Guan, B Xu

Index: Miao, Jinmei; Wan, Hui; Shao, Yanbing; Guan, Guofeng; Xu, Bin Journal of Molecular Catalysis A: Chemical, 2011 , vol. 348, # 1-2 p. 77 - 82

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Citation Number: 63

Abstract

Imidazolium-silica heterogeneous catalyst (SG-[(CH2) 3SO3H-HIM] HSO4) was prepared by immobilization of acidic ionic liquid 1-(propyl-3-sulfonate) imidazolium hydrosulfate ([(CH2) 3SO3H-HIM] HSO4) on silica–gel using tetraethoxysilane (TEOS) as silica source in this study. The properties of the samples were characterized by FT-IR, SEM and TG/DSC. The results suggested that [(CH2) 3SO3H-HIM] HSO4 had been successfully immobilized on ...