Approach to a metallacycling polymerization - reactions of [(η5-C5H5)Co(PPh3)2] with α,β-diynes and Me3SiCCC6H4C6H4CCSiMe3

Ta i. Shimura, Akira Ohkubo, Kunitsugu Aramaki, Hidehiro Uekusa, Toyoaki Fujita, Shigeru Ohba, Hiroshi Nishihara

研究成果: Article

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Reactions of [CpCo(PPh3)2](Cp=η5-cyclopentadienyl) with conjugated diacetylenes were investigated in terms of the synthesis of π-conjugated organometallic polymers. The reaction of an α,β-diyne, PhCCCCPh, gave three geometric isomers of dialkynylcobaltacyclopentadienes, 1a-c, and an insoluble polymeric product, 1d. A 2,4-dialkynyl complex, 2, and a 2,5-dialkynyl complex, 3, were obtained solely from Me3SiCCCCSiMe3 and MeCCCCMe, respectively. 1,1′-Bis(trimethylsilylethynyl)-4,4′-biphenyl afforded two isomers of 1,3-dialkynylcyclobutadiene complexes, 4a and 4b. The stability of the one-electron oxidized forms of the cobalacyclopentadiene and cyclobutadiene complexes was examined by cyclic voltammetry.

元の言語English
ページ(範囲)215-218
ページ数4
ジャーナルInorganica Chimica Acta
230
発行部数1-2
DOI
出版物ステータスPublished - 1995 3 1

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ASJC Scopus subject areas

  • Physical and Theoretical Chemistry
  • Inorganic Chemistry
  • Materials Chemistry

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