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Cocatalytic effect of cobalt acetate on aerobic cyclohexene oxidation catalyzed by manganese porphyrin

Paper ID Volume ID Publish Year Pages File Format Full-Text
49992 46775 2012 5 PDF Available
Title
Cocatalytic effect of cobalt acetate on aerobic cyclohexene oxidation catalyzed by manganese porphyrin
Abstract

The cocatalytic effect of cobalt acetate on the manganese porphyrin-catalyzed oxidation of cyclohexene by molecular oxygen was investigated. The conversion of cyclohexene and the selectivity toward epoxide were significantly improved, whereas the formation of 2-cyclohexen-ol was restricted in the presence of the cocatalyst. A cocatalytic mechanism involving cobalt oxide ([Co–O2]+) as the active species for enhancing cyclohexene activity and selectivity toward epoxide was proposed.

Graphical abstractHighly efficient co-catalytic effect of cobalt acetate on the manganese porphyrin catalyzed cyclohexene aerobic oxidation has been achieved.Figure optionsDownload full-size imageDownload as PowerPoint slideHighlights► Cocatalytic effect of Co(OAc)2 on MnTPPCl-catalyzed oxidation was observed. ► Conversion rising from 28% to 72% with Co(OAc)2 as cocatalyst was achieved. ► The valence of cobalt ion was kept unchanged during the reaction process.

Keywords
Biomimetic oxidation; Metalloporphyrin; Cyclohexene oxidation; Cocatalyst
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Cocatalytic effect of cobalt acetate on aerobic cyclohexene oxidation catalyzed by manganese porphyrin
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Publisher
Database: Elsevier - ScienceDirect
Journal: Catalysis Communications - Volume 27, 5 October 2012, Pages 169–173
Authors
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Subjects
Physical Sciences and Engineering Chemical Engineering Catalysis
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Price was $35.95
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Any Questions? feel free to contact us