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Assembly and structural characterization of binuclear µ-oxo-di-µ-acetato bridged complexes of manganese(<scp>III</scp>). Analogues of the di-iron(<scp>III</scp>) centre in hemerythrin

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1985

Year

Abstract

The complexes [L2MnIII2(µ-O)(µ-MeCO2)2](ClO4)2, (1), and [L′2MnIII2(µ-O)(µ-MeCO2)2](ClO4)2·H2O, (2), where L and L′ represent the cyclic triamines 1,4,7-triazcyclononane and (N,N′,N″-trimethyl-1,4,7-triazacyclononane, have been synthesized from Mn(MeCO2)3·2H2O in water–ethanol mixtures; characterization by X-ray crystallography showed that both complexes contain a µ-oxo-di-µ-acetato-metal(III) core, as found in hemerythrin, and therefore these complexes may have bioinorganic significance.