Formation and spectral properties of some bis(.BETA.-diketonato)-copper(II)-diazole complexes.

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概要

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• The reactions of bis(β-diketonato)copper(II) with pyrazole and imidazole gave the diazole adducts Cu(β-dik)<SUB>2</SUB>(Hdzl) (β-dik=β-diketonate anion; Hdzl=diazole) and/or the μ-diazolato complexes [Cu(β-dik)(dzl)]<I><SUB>n</SUB></I> (<I>n</I>=2,4,….). The complexation reactions are very sensitive to the nature of the diazole and to the reaction conditions, sometimes giving different products depending upon the solvent used. In chloroform, Cu(β-dik)<SUB>2</SUB>-pyrazole and Cu(β-dik)<SUB>2</SUB>-imidazole complexes exhibited characteristic absorption maxima at approximately 570 and 555 nm, respectively, which are much shorter than the λ<SUB>max</SUB> values of the starting Cu(β-dik)<SUB>2</SUB> chelates.

• 公益社団法人 日本化学会の論文

著者

• Kogane Tamizo

  Industrial Research Institute of Kanagawa Prefecture

• Hirota Reiko

  Faculty of Science, Rikkyo University

関連論文

• Formation and spectral properties of some bis(.BETA.-diketonato)-copper(II)-diazole complexes.
• Structures and spectral properties of some bis (.BETA.-diketonato) copper (II)-diazole complexes. I. The 1:4 and 1:1 adducts of bis-(1,1,1,5,5,5-hexafluoro-2,4-pentanedionato) copper (II) and 3-methyl-1H-pyrazole.
• Structures and spectral properties of some bis(.BETA.-diketonato)copper(II)-diazole complexes. II. The 1:1, 1:2, and 1:3 adducts of bis(1,1,1,5,5,5-hexafluoro-2,4-pentanedionato)copper(II) and 4-methyl-1H-pyrazole.

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