Please use this identifier to cite or link to this item: http://repositorio.unicamp.br/jspui/handle/REPOSIP/96015
Type: Artigo de periódico
Title: Synergistic Effect Of Iron And Copper Oxides Supported On Silica In The Room Temperature Oxidation Of Cyclohexane
Author: Schuchardt U.
Pereira R.
Krahembuhl C.E.Z.
Rufo M.
Buffon R.
Abstract: The room temperature oxidation of cyclohexane with oxygen/zinc (GifIV system), catalysed by iron oxide supported on silica, has been studied. It was found that after calcination the iron catalyst does not leach and is very active for oxidation. Using 4 mmol of iron chloride per 0.1 g of silica, cyclohexanone and cyclohexanol (2:1 ratio) were obtained with a turnover number of 425. Substitution of half of the iron used for impregnation by copper chloride increased the turnover number to 885, without changing the product ratio. As copper chloride alone is not active for this reaction, it exhibits a synergistic effect on the iron(III) heterogenized on the silica. © 1995 Elsevier Science B.V. All rights reserved.
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Rights: fechado
Identifier DOI: 10.1016/0926-860X(95)00132-8
Address: http://www.scopus.com/inward/record.url?eid=2-s2.0-0005149688&partnerID=40&md5=82425b3d20372b34f2dd4dc22afb4e78
Date Issue: 1995
Appears in Collections:Unicamp - Artigos e Outros Documentos

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