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Synthesis, crystal structure and properties of a macrocyclic dinuclear manganese(II) complex with functional o-methylenephenolic pendant arms

✍ Scribed by Ming Qian; Shaohua Gou; Zhi Yu; Huangxian Ju; Yan Xu; Chunying Duan; Xiaozeng You

Publisher
Elsevier Science
Year
2001
Tongue
English
Weight
142 KB
Volume
317
Category
Article
ISSN
0020-1693

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✦ Synopsis

A dinuclear manganese macrocyclic complex with functional pendant arms, [Mn 2 (II)HL 2 ](ClO 4 ), has been prepared by the cyclocondensation of sodium 2,6-diformyl-4-methylphenolate with N,N-bis(2-aminoethyl)-N-(2-hydroxybenzyl)amine and subsequent transmetallation of Mn(II)(ClO 4 ) 2 . In the molecular structure of the complex, each pendant arm is bound to an adjacent manganese atom and both arms lie on the same side of the resulting tetra-imine macrocycle. Each manganese(II) ion is in a distorted octahedral configuration. The variable-temperature magnetism and the cyclic voltammogram of the complex have also been investigated. In the catalytic study, this compound exhibits a high activity for catalyzing disproportionation of H 2 O 2 to O 2 .

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