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Selective Preparation of trans-Carveol over Ceria Supported Mesoporous Materials MCM-41 and SBA-15
Laboratory of Industrial Chemistry and Reaction Engineering, Åbo Akademi University, Biskopsgatan 8, Turku 20500, Finland
Department of Organic Technology, Institute of Chemical Technology Prague, Technická 5, Prague 16000, Czech Republic
VUAnCH Litvínov, a. s., Revolucni 1524, Ústí nad Labem 400 01, Czech Republic
Vorozhtsov Novosibirsk Institute of Organic Chemistry, Siberian Branch, Russian Academy of Sciences, Lavrentyev Ave. 9, Novosibirsk 630090, Russia
* Author to whom correspondence should be addressed.
Received: 28 March 2013; in revised form: 13 May 2013 / Accepted: 13 May 2013 / Published: 17 May 2013
Abstract: Ce-modified mesoporous silica materials MCM-41 and SBA-15, namely 32 wt % Ce–Si–MCM-41, 16 wt % Ce–H–MCM-41 and 20 wt % Ce–Si–SBA-15, were prepared, characterized and studied in the selective preparation of trans-carveol by α-pinene oxide isomerization. The characterizations of these catalysts were performed using scanning electron microscopy, X-ray photoelectron spectroscopy, nitrogen adsorption and FTIR pyridine adsorption. Selective preparation of trans-carveol was carried out in the liquid phase in a batch reactor. The activity and the selectivity of catalyst were observed to be influenced by their acidity, basicity and morphology of the mesoporous materials. The formation of trans-carveol is moreover strongly influenced by the basicity of the used solvent and in order to achieve high yields of this desired alcohol it is necessary to use polar basic solvent.
Keywords: cerium; Ce–Si–MCM-41; Ce–H–MCM-41; Ce–Si–SBA-15; isomerization; α-pinene oxide; trans-carveol
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Stekrova, M.; Kumar, N.; Mäki-Arvela, P.; Ardashov, O.V.; Volcho, K.P.; Salakhutdinov, N.F.; Murzin, D.Y. Selective Preparation of trans-Carveol over Ceria Supported Mesoporous Materials MCM-41 and SBA-15. Materials 2013, 6, 2103-2118.
Stekrova M, Kumar N, Mäki-Arvela P, Ardashov OV, Volcho KP, Salakhutdinov NF, Murzin DY. Selective Preparation of trans-Carveol over Ceria Supported Mesoporous Materials MCM-41 and SBA-15. Materials. 2013; 6(5):2103-2118.
Stekrova, Martina; Kumar, Narendra; Mäki-Arvela, Päivi; Ardashov, Oleg V.; Volcho, Konstantin P.; Salakhutdinov, Nariman F.; Murzin, Dmitry Y. 2013. "Selective Preparation of trans-Carveol over Ceria Supported Mesoporous Materials MCM-41 and SBA-15." Materials 6, no. 5: 2103-2118.