Journal
CATALYSIS COMMUNICATIONS
Volume 11, Issue 6, Pages 537-541Publisher
ELSEVIER
DOI: 10.1016/j.catcom.2009.12.014
Keywords
Hydromagnesite sheets; MgO sheets; Controlled hydrothermal process; Base catalyst; Claisen-Schmidt condensation; TPD-CO2
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Funding
- Department of Science and Technology, Government of India
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Hydromagnesite micro-sheets were prepared from MgCl2 by hydrothermal process. Calcination of the hydromagnesite sheets at 450 degrees C in N-2 for 5 h produced porous MgO sheets with similar morphology. The MgO sheets were of rectangular shape with 0.5-1 mu m in wall length and 4-5 nm thick. The MgO sheets function as a strong heterogeneous base catalyst for the Claisen-Schmidt condensation of benzaldehyde with acetophenone giving 99% conversion in 5 h due to large surface area (234 m(2)/g) and presence of numerous basic sites of different strength. (C) 2009 Elsevier B.V. All rights reserved.
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