cis-Dioxovanadium(V) and mixed-valence divanadium(IV,V) complexes containing .BETA.-diketonate and heterocyclic nitrogen-base ligands.
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概要
- 論文の詳細を見る
Diamagnetic dioxovanadium(V) complexes, VO<SUB>2</SUB>(β-dik)(phen or bpy), were prepared by the direct reactions of VO(β-dik)<SUB>2</SUB> with 1,10-phenanthroline and 2,2′-bipyridine in dichloromethane under aerobic conditions as well as by two other methods. These compounds were concluded to have a <I>cis</I> configuration on the basis of the IR and Raman data. These complexes are solvolyzed to afford the di-μ-methoxo-or di-μ-hydroxo-divanadium(V) species, and are reduced by hydrogen bromide to the oxovanadium(IV) species in dichloromethane. In methanol instead of dichloromethane, VO(acac)<SUB>2</SUB> reacted with 2,2′-bipyridine to produce a novel mixed-valence divanadium(IV, V) complex, V<SUB>2</SUB>O<SUB>3</SUB>(acac)<SUB>3</SUB>(bpy), which was revealed by the magnetic, spectral, and polarographic data to be a trans adduct of VO(acac)<SUB>2</SUB> with VO<SUB>2</SUB>(acac)(bpy) <I>via</I> an oxide ligand.
- 公益社団法人 日本化学会の論文
著者
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Isobe Kiyoshi
Department Of Agricultural Chemistry Faculty Of Agriculture Shizuoka University
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Nakamura Yukio
Department Of Biotechnology Faculty Of Agriculture Gifu University
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Kawaguchi Shinichi
Department Of Fundamental Energy Science Graduate School Of Energy Science Kyoto University
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TAGUCHI Hiroshi
Department of Agricultural Chemistry, Faculty of Agriculture, Mie University
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