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Photocatalytic Oxygenation of Selected Cycloalkenes in Aqueous Solutions Induced by Water-Soluble Metal Porphyrin Complexes

✍ Scribed by Hennig, Horst ;Behling, Jördis ;Meusinger, Reinhard ;Weber, Lutz

Publisher
Wiley (John Wiley & Sons)
Year
1995
Tongue
English
Weight
604 KB
Volume
128
Category
Article
ISSN
0009-2940

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✦ Synopsis

Water-soluble manganese(II1) as well as iron(II1) porphyrinates are introduced as light-sensitive precursor compounds for the photocatalytic activation of dioxygen in aqueous solutions. It is shown that in the presence of a-pinene (4) and the further cycloalkenes 11 -13 photocatalytic oxygenation reactions occur. The dependence of the selectivity of the oxygen transfer to the olefin on both the presence of water and the variation of the substrate-to-catalyst ratio is discussed. The catalyst may be conveniently separated from the substrates/products by using aqueous solvent systems.

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ChemInform Abstract: Epoxidation of Olef
ChemInform Abstract: Epoxidation of Olefins by a Water-Soluble Iron(III) Porphyrin Complex and Hydroperoxides in Aqueous Solution.
✍ S. J. YANG; H. J. LEE; W. NAM 📂 Article 📅 2010 🏛 John Wiley and Sons ⚖ 30 KB 👁 3 views

Epoxidation of Olefins by a Water-Soluble Iron(III) Porphyrin Complex and Hydroperoxides in Aqueous Solution. -Based on the results of the title reaction of (I) with different olefins (II)-(IV) and comparison with other oxidants the possible mechanism is discussed. Preliminary studies concerning ste