Formation of (.ETA.-cyclopentadienyl)(1,2-ethylenedithiolato, 1,2-ethylenediselenolato, and 2-selenolatoethylenethiolato-S,Se) cobalt(III) complexes in a one-pot-reaction of (.ETA.-cyclopentadienyl)(1,5-cyclooctadiene or dicarbonyl)cobalt(I) with alkyne a
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概要
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A one-pot-reaction of (η-cyclopentadienyl)(1,5-cyclooctadiene or dicarbonyl)cobalt(I) with alkyne (diphenylacetylene and phenylacetylene) and a mixture of S<SUB>8</SUB> and Se<SUB>8</SUB> gives (η-cyclopentadienyl)(2-selenolatoethylenethiolato-<I>S</I>,<I>Se</I>)cobalt(III) complex in addition to the corresponding dithiolato and diselenolato complexes. When phenylacetylene was used as an alkyne, a (2-phenyl-2-selenolatoethylenethiolato-<I>S</I>,<I>Se</I>)cobalt(III) complex was formed preferentially rather than the (1-phenyl-2-selenolatothiolato-<I>S</I>,<I>Se</I>)cobalt(III) complex. The separation of the diselenolato and selenolatothiolato complexes from the dithiolato complex was successfully done by utilizing the difference in how these complexes form adducts with tributylphosphine. The dithiolato complexes have more negative reversible half-wave potentials (for reduction) than the diselenolato complexes; the selenolatothiolato complexes have intermediate half-wave potentials.
- 公益社団法人 日本化学会の論文
著者
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KAJITANI Masatsugu
Department of Chemistry, Faculty of Science and Technology, Sophia University
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Sugimori Akira
Department Of Chemistry Faculty Of Science And Technology Sophia University
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Akiyama Takeo
Department Of Chemistry Faculty Of Science And Technology Sophia University
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Kobayashi Norikazu
Department Of Applied Chemistry Tokyo University Of Agriculture And Technology
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Ochiai Ryuji
Department of Chemistry, Faculty of Science and Technology, Sophia University
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Dohki Kakushi
Department of Chemistry, Faculty of Science and Technology, Sophia University
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Kobayashi Norikazu
Department of Chemistry, Faculty of Science and Technology, Sophia University
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