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Type: Artigo de periódico
Title: Direct Selective Oxidation Of Benzene To Phenol Using Molecular Oxygen In The Presence Of Palladium And Heteropolyacids
Author: Passoni L.C.
Cruz A.T.
Buffon R.
Schuchardt U.
Abstract: The use of heteropolyacids as a reoxidant for palladium in the direct oxidation of benzene to phenol with molecular oxygen was studied as a function of the variables involved. It was shown that the oxidation system is very effective even if a molar ratio of HOAc:H2O of 1:2 is used. After 4 h at 130°C the benzene conversion is 15% and the selectivity for phenol is above 70%. The quantity of palladium acetate can be drastically reduced allowing turnover numbers as high as 800.
Rights: fechado
Identifier DOI: 10.1016/S1381-1169(96)00440-2
Date Issue: 1997
Appears in Collections:Unicamp - Artigos e Outros Documentos

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