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Binuclear Homoleptic Manganese(III,III) and Manganese(IV,III) Complexes with Deprotonated D-Mannose from Aqueous Solution

✍ Scribed by Andreas Geisselmann; Peter Klüfers; Bernd Pilawa

Publisher: John Wiley and Sons
Year: 1998
Tongue: English
Weight: 113 KB
Volume: 37
Category: Article
ISSN: 0044-8249
DOI: 10.1002/(sici)1521-3773(19980504)37:8<1119::aid-anie1119>3.0.co;2-l

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✦ Synopsis

Just a "reducing" sugar-namely, D-mannose-is a starting material in the synthesis of a mixed-valence complex of manganese in the oxidation states +III and +IV. Ba [Mn Mn (β-D-ManfH ) ]Cl⋅14 H O (Manf=mannofuranose; the structure of the anion is shown on the right) is prepared in aqueous solution by oxidation of an analogous Mn complex with oxygen. In neutral solutions the Mn Mn binuclear complex is formed by disproportionation of the Mn precursor.

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