A novel intramolecular metallacycle-phosphine reaction of an electrochemically oxidized cobaltacyclopentadiene complex

Akira Ohkubo, Toyoaki Fujita, Shigeru Ohba, Kunitsugu Aramaki, Hiroshi Nishihara

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17 Citations (Scopus)

Abstract

A ferrocene-substituted cobaltacyclopentadiene complex, C5H 5(PPh3)[Co-CH=CFc-CFc=CH] (1, Fc = ferrocenyl) undergoes quasi-reversible two-step one-electron oxidation reactions in 0.1 mol dm -3 Bu4NClO4-CH2Cl2 at room temperature, while irreversible two-electron oxidation (ECE reaction) of C5H5(PPh3)[Co-CFc=CH-CH=CFc] 2 causes intramolecular addition of PPh3 fragments to the buta-1,3-dienediyl moiety, affording PhCFc=CH-CH=CFcPOPh2 7 and PhCFc=CH-CFc=CHPPh 2 8.

Original languageEnglish
Pages (from-to)1553-1555
Number of pages3
JournalJournal of the Chemical Society, Chemical Communications
Issue number21
DOIs
Publication statusPublished - 1992 Dec 1

ASJC Scopus subject areas

  • Molecular Medicine

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