期刊
JOURNAL OF CATALYSIS
卷 319, 期 -, 页码 71-86出版社
ACADEMIC PRESS INC ELSEVIER SCIENCE
DOI: 10.1016/j.jcat.2014.08.004
关键词
Aluminum oxide; Epoxidation; Epoxides; Heterogeneous catalysis; Hydrogen peroxide; Kinetic study; Limonene; Metal having a single stable non-zero oxidation state (SSOS metal)
资金
- State of Sao Paulo Research Foundation (Fundacao de Amparo a Pesquisa do Estado de Sao Paulo, FAPESP) [2008/57860-3, 2009/16480-6]
- Brazilian National Council on Scientific and Technological Development (Conselho Nacional de Desenvolvimento Cientifico e Tecnologico, CNPq, Brazil) [573661/2008-1]
- National Institute of Science and Technology In Biofabrication (INCT-BIOFABRIS)
- Russian Foundation for Basic Research [12-03-00084-a]
- Science without Borders Program, Brazil-Russia [A017-2013]
- Science and Technology Foundation, Ministry of Education and Science (Fundacao para a Ciencia e a Tecnologia, FCT), Portugal [PTDC/QUI-QUI/119561/2010]
A highly efficient oxidation of limonene with hydrogen peroxide promoted by cheap aluminum oxide has been studied. The reaction is a rare example of the epoxidation promoted by a derivative of non-transition metal having a single stable non-zero oxidation state (SSOS metal), and it affords epoxides which are highly valuable products (fragrances, food additives and monomers). Typically, ethyl acetate at 80 degrees C was used as a solvent. The experimental data have been described by the proposed kinetic scheme. The optimization of the limonene epoxidation using a 2(3) experimental design has been carried out. (C) 2014 Elsevier Inc. All rights reserved.
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