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|Type:||Artigo de periódico|
|Title:||Wacker Oxidation Of Cyclohexene In The Presence Of Pd(no3) 2/cuso4/h3pmo12o40|
|Abstract:||The Wacker oxidation of cyclohexene to cyclohexanone, using the chloride ion-free catalytic system Pd(NO3)2/CuSO4/H 3PMo12O40, was investigated at different air pressures, temperatures, and catalyst concentrations. The results show that this system is very efficient and highly selective. After 1 h of reaction at 80°C and an air pressure of 50 bar, a conversion of 80%, with a turnover frequency of 260 h-1, and a selectivity of more than 99% for cyclohexanone was obtained. Using aqueous hydrogen peroxide and no external pressure, the oxidation was more rapid, giving 80% conversion already after 30 min and 95% conversion after 60 min without the formation of any byproducts. © 2004 Elsevier B.V. All rights reserved.|
|Appears in Collections:||Unicamp - Artigos e Outros Documentos|
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