Oxidation of Benzoin to Benzil Using Alumina-Supported Active MnO2

Oxidation of Benzoin to Benzil Using Alumina-Supported Active MnO2

The use of alumina-supported active MnO2 to oxidize benzoin to benzil is described. The advantages of this reagent include ease of handling and separation from the product and lower toxicity than previously reported supported oxidizing agents. The product is purified by elution through a simple chro...

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Veröffentlicht in:Journal of chemical education 2001-07, Vol.78 (7), p.951
Hauptverfasser: Crouch, R. David, Holden, Michael S, Burger, Jennifer S
Format: Artikel
Sprache:eng
Schlagworte:
Aluminum oxide
Benzil
Benzoin
Chemistry
Experiments
Manganese dioxide
Oxidation
Teaching
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Zusammenfassung:The use of alumina-supported active MnO2 to oxidize benzoin to benzil is described. The advantages of this reagent include ease of handling and separation from the product and lower toxicity than previously reported supported oxidizing agents. The product is purified by elution through a simple chromatography column consisting of a silica gel-packed Pasteur pipet. Students' yields are comparable to yields from other reported oxidation methods.
ISSN:0021-9584
1938-1328
DOI:10.1021/ed078p951