Catalytic function of cobalt(III) complexes with N,N'-disalicyl-ideneethylenediamine on oxygenation of t-butylphenols.
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概要
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Catalytic oxygenation of <I>t</I>-butylphenols has been examined with the cobalt(III) complexes with <I>N</I>,<I>N</I>′-disalicylideneethylenediamine (H<SUB>2</SUB>salen), K[Co(salen)CO<SUB>3</SUB>], Na[Co(salen)(N<SUB>3</SUB>)<SUB>2</SUB>], K[Co(salen)(CN)<SUB>2</SUB>], [Co(salen)(py)<SUB>2</SUB>]PF<SUB>6</SUB>, and [Co(salen)(NH<SUB>3</SUB>)<SUB>2</SUB>]PF<SUB>6</SUB>. The CO<SUB>3</SUB>-complex showed a high catalytic activity while the other complexes a low or no catalytic activity. Based on electronic and ESR spectral investigations, it has been shown that the reaction is initiated by the direct oxidation of <I>t</I>-butylphenols by the CO<SUB>3</SUB>-complex through a phenolatocobalt(III) intermediate.
- 公益社団法人 日本化学会の論文
著者
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Okawa Hisashi
Department Of Chemistry Faculty Of Science Kyushu University
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Kida Sigeo
Department of Chemistry Wakayama University
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Kanda Wakako
Department of Chemistry, Faculty of Science, Kyushu University 33
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Kanda Wakako
Department of Chemistry, Faculty of Science, Kyushu University
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Meguro Sadatoshi
Department of Forest Products, Faculty of Agriculture, Kyushu University 46-08
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