Reaction of an α-pyrrolidonate-bridged cis-diammineplatinum(II) dimer with molecular oxygen and its application to the catalytic O2 oxidation of hydroquinone

Ken Sakai, Taro Tsubomura, Kazuko Matsumoto

研究成果: Contribution to journalArticle査読

16 被引用数 (Scopus)

抄録

The catalytic effect of [PtII2(NH3)4(C4H6NO)2]2+ (PtII2 dimer; C4H6NO = α-pyrrolidonate) in the O2 oxidation of hydroquinone to quinone is investigated at pH 5. Both the O2 oxidation of this dimer into [PtIII2(NH3)4(C4H6NO)2(L)2]4+ (PtIII2 dimer; L = OH2, OH-, SO42-, etc.) and the re-reduction of the PtIII2 dimer into the PtII2 dimer by hydroquinone were found to be thermodynamically favorable. With an excess of hydroquinone, the rate of the catalytic reaction exceeds that of the former reaction and is roughly linear to the hydroquinone concentration, suggesting that a certain intermediate formed in the reaction between the PtII2 dimer and O2 plays a major role in the present catalysis. In addition, hydrolysis equilibria for the axial aqua ligands on the PtIII2 dimer are investigated spectrophotometrically.

本文言語英語
ページ(範囲)157-161
ページ数5
ジャーナルInorganica Chimica Acta
234
1-2
DOI
出版ステータス出版済み - 1 1 1995
外部発表はい

All Science Journal Classification (ASJC) codes

  • Physical and Theoretical Chemistry
  • Inorganic Chemistry
  • Materials Chemistry

フィンガープリント 「Reaction of an α-pyrrolidonate-bridged cis-diammineplatinum(II) dimer with molecular oxygen and its application to the catalytic O<sub>2</sub> oxidation of hydroquinone」の研究トピックを掘り下げます。これらがまとまってユニークなフィンガープリントを構成します。

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