Mesoporous silica containing sulfonic acid groups as catalysts for the alpha-pinene methoxylation

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The methoxylation of alpha-pinene was studied over sulfonic acid-functionalized mesoporous silica (MCM-41, PMO) at 60 degrees C. The support functionalization was achieved by the introduction of 3-(mercaptopropyl) trimethoxysilane onto the surface of these materials either by grafting or by co-condensation. The thiol groups were oxidized to SO(3)H by treatment with H(2)O(2). All the catalysts were active in the studied reaction being the PMO-SO(3)H-g the best one. Good values of selectivity to alpha-terpinyl methyl ether were obtained with these catalysts. Catalytic stability of the PMO-SO(3)H-g was evaluated by performing consecutive batch runs with the same catalyst sample. After the third batch it was observed a stabilisation of the activity.
Original languageUnknown
Title of host publicationStudies in Surface Science and Catalysis
EditorsA Gedeon, P Massiani, F Babonneau
Publication statusPublished - 1 Jan 2008
Event4th Conference of the Federation of European Zeolite Associations (FEZA) -
Duration: 1 Jan 2008 → …


Conference4th Conference of the Federation of European Zeolite Associations (FEZA)
Period1/01/08 → …

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