Preparation, Characterization, and Catalytic Application of a Nanosized Ce1MgxZr1-xO2Solid Heterogeneous Catalyst for the Synthesis of Tetrahydrobenzo[b]pyran Derivatives
作者： Sandip RATHOD , Balasaheb ARBAD , Machhindra LANDE
DOI: 10.1016/S1872-2067(09)60078-4
关键词: Inorganic chemistry 、 Magnesium 、 Pyran 、 Materials science 、 Oxide 、 Malononitrile 、 Energy-dispersive X-ray spectroscopy 、 Infrared spectroscopy 、 Catalysis 、 Dimedone
摘要: A series of Ce1MgxZr1-xO2 mixed metal oxides with different molar ratios were prepared by simple co-precipitation and characterized X-ray diffraction, infrared spectroscopy, scanning electron microscopy, energy dispersive temperature- programmed desorption CO2, N2 adsorption techniques. The materials tested for catalytic activity the synthesis tetrahydrobenzo[b]pyran derivatives using a three component reaction (aromatic aldehydes, malononitrile, dimedone) in an ethanol medium. best was obtained Ce1Mg0.6Zr0.4O2. particle size or crystallite estimated Debye-Scherrer equation. addition magnesium oxide into ceria-zirconia lattice resulted formation nanosized particles ranging from 5.41 to 9.78 nm. This work describes behavior systems.
elsevier.com
sci-hub.se 参考文章(33)
A. Corma, S. Iborra, S. Miquel, J. Primo, Catalysts for the Production of Fine Chemicals: Production of Food Emulsifiers, Monoglycerides, by Glycerolysis of Fats with Solid Base Catalysts Journal of Catalysis. ,vol. 173, pp. 315- 321 ,(1998) , 10.1006/JCAT.1997.1930
Harold H. Kung, Transition Metal Oxides: Surface Chemistry and Catalysis ,(1989)
Metal Oxides : Chemistry and Applications CRC Press. ,(2005) , 10.1201/9781420028126
Claudine Noguera, Physics and Chemistry at Oxide Surfaces ,(2005)
H.W. Kim, M.H. Kong, J.-H Yang, Catalyst-Free Growth of Magnesium Oxide Whiskers and Their Characteristics Acta Physica Polonica A. ,vol. 113, pp. 1021- 1024 ,(2008) , 10.12693/APHYSPOLA.113.1021
Alain Guida, Mohammed Hassane Lhouty, Didier Tichit, François Figueras, Patrick Geneste, Hydrotalcites as base catalysts. Kinetics of Claisen-Schmidt condensation, intramolecular condensation of acetonylacetone and synthesis of chalcone Applied Catalysis A: General. ,vol. 164, pp. 251- 264 ,(1997) , 10.1016/S0926-860X(97)00175-0
Diego Armesto, William M. Horspool, Nazario Martin, Ana Ramos, Carlos Seoane, Synthesis of cyclobutenes by the novel photochemical ring contraction of 4-substituted 2-amino-3,5-dicyano-6-phenyl-4H-pyrans Journal of Organic Chemistry. ,vol. 54, pp. 3069- 3072 ,(1989) , 10.1021/JO00274A021
A. Corma, R.M. Martín-Aranda, Application of solid base catalysts in the preparation of prepolymers by condensation of ketones and malononitrile Applied Catalysis A: General. ,vol. 105, pp. 271- 279 ,(1993) , 10.1016/0926-860X(93)80252-L
Ahmad Shaabani, Sima Samadi, Zahra Badri, Abbas Rahmati, Ionic Liquid Promoted Efficient and Rapid One-pot Synthesis of Pyran Annulated Heterocyclic Systems Catalysis Letters. ,vol. 104, pp. 39- 43 ,(2005) , 10.1007/S10562-005-7433-2
Rahim Hekmatshoar, Soma Majedi, Khadijeh Bakhtiari, Sodium selenate catalyzed simple and efficient synthesis of tetrahydro benzo[b]pyran derivatives Catalysis Communications. ,vol. 9, pp. 307- 310 ,(2008) , 10.1016/J.CATCOM.2007.06.016