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- 長尾 宏隆
- 上智大学理工学部
書誌事項
- タイトル別名
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- Redox Reactions of Ruthenium Complexes Bearing Pyridyl-containing Ligands and Reactivity Toward Nitrogen-containing Compounds
- ガン ピリジン ハイイシ オ ユウスル ルテニウム サクタイ ノ サンカ カンゲン ト ガン チッソ カゴウブツ ノ ハンノウ
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抄録
In this accounts, syntheses and reactions of ruthenium complexes bearing pyridyl-containing ligands have been described. The properties and reactivity of complexes are related to their geometrical configuration around the metal center, and regulated by the combination of supporting ligands such as bpy, pyca, tpy, and bpya. Ruthenium complexes containing a nitrosyl ligand, which functions as a regulator of reactivity, have been synthesized and their structures and redox properties are investigated. We conclude that the interaction of the nitrosyl ligand through the ruthenium ion strongly depends on an electronic feature of the co-existing ligand in the series of nitrosylruthenium complexes. Conversion reactions of nitrogen-containing compounds such NO2- (NO), N3-, CH3CN, and NO3- are performed under mild conditions to afford nitrogen-containing ligands. The reactions of N3- give two different type of ligands, imine (NH=CHR) and bridging nitrido (-N3--), depending on supporting ligands. These reactions are important as a synthetic route of nitrogen-containing complexes. A geometrical isomerization and ligand-dissociation reactions are induced by redox of ruthenium comeplxes. The stabilities and reactivities of the ruthenium complexes have been explained by considering the electronic interaction of metal-ligand and ligand-ligand through the ruthenium center.
収録刊行物
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- Bulletin of Japan Society of Coordination Chemistry
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Bulletin of Japan Society of Coordination Chemistry 54 (0), 22-37, 2009
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