Novel Heterotetranuclear V2Mo2 or V2W2 Complexes with 4,4′-Di-tert-butyl-2,2′-bipyridine: Syntheses, Crystal Structures, and Catalytic Activities

Two novel heterotetranuclear complexes [V2O2(μ-MeO)2(μ-WO4)2(4,4′- t Bubpy)2] (1) and [V2O2(μ-MeO)2(μ-MoO4)2(4,4′- t Bubpy)2] (2) were synthesized, and the solid state structures of these complexes were revealed by single crystal X-ray crystallography. The heterotetranuclear complexes 1 and 2 are ce...

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Published inInorganic chemistry Vol. 50; no. 20; pp. 9942 - 9947
Main Authors Kodama, Shintaro, Nomoto, Akihiro, Yano, Shigenobu, Ueshima, Michio, Ogawa, Akiya
Format Journal Article
LanguageEnglish
Published United States American Chemical Society 17.10.2011
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Summary:Two novel heterotetranuclear complexes [V2O2(μ-MeO)2(μ-WO4)2(4,4′- t Bubpy)2] (1) and [V2O2(μ-MeO)2(μ-MoO4)2(4,4′- t Bubpy)2] (2) were synthesized, and the solid state structures of these complexes were revealed by single crystal X-ray crystallography. The heterotetranuclear complexes 1 and 2 are centrosymmetric building blocks, considered as consisting of two [VO(4,4′- t Bubpy)]3+ units bridged by μ-MO4 2– (M = W or Mo) anions connected with methoxy groups. Furthermore, catalytic activities of 1 and 2 in the alcohol oxidation with hydrogen peroxide as terminal oxidants in water as solvent were investigated.
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ISSN:0020-1669
1520-510X
DOI:10.1021/ic2009094