EPR DETECTION AND CHARACTERIZATION OF HIGH-VALENT MANGANESE COMPLEXES IN MnIII(SALEN) CATALYZED AEROBIC OLEFIN EPOXIDATION


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Abstract

Using EPR, high-valent MnIV complexes have been detected in Mukaiyama's catalytic system, MnIII(Salen)/Isobutyraldehyde/O2, and shown to form also in the model system MnIII(Salen)/Peroxyisobutyric acid. Their possible role in alkene epoxidation is discussed.

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