One-electron reduction of kinetically stabilized dipnictenes: Synthesis of dipnictene anion radicals

Takahiro Sasamori, Eiko Mieda, Noriyoshi Nagahora, Kazunobu Sato, Daisuke Shiomi, Takeji Takui, Yoshinobu Hosoi, Yukio Furukawa, Nozomi Takagi, Shigeru Nagase, Norihiro Tokitoh

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Abstract

The redox behavior of kinetically stabilized dipnictenes, BbtE=EBbt [E = P, Sb, Bi; Bbt = 2,6-bis[bis(trimethylsilyl)methyl]-4-[tris(trimethylsilyl)methyl] phenyl], was systematically disclosed using cyclic voltammetry and theoretical calculations. It was found that they showed reversible one-electron redox couples in the reduction region. The anion radical species of the Bbt-substituted diphosphene and distibene were successfully synthesized by the reduction of the corresponding neutral dipnictenes (BbtP=PBbt and BbtSb= SbBbt). Their structures were reasonably characterized by ESR, UV-vis, and Raman spectroscopy, and the distibene anion radical was structurally characterized by X-ray crystallographic analysis.

Original languageEnglish
Pages (from-to)12582-12588
Number of pages7
JournalJournal of the American Chemical Society
Volume128
Issue number38
DOIs
Publication statusPublished - 2006 Sep 27

ASJC Scopus subject areas

  • Catalysis
  • Chemistry(all)
  • Biochemistry
  • Colloid and Surface Chemistry

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    Sasamori, T., Mieda, E., Nagahora, N., Sato, K., Shiomi, D., Takui, T., Hosoi, Y., Furukawa, Y., Takagi, N., Nagase, S., & Tokitoh, N. (2006). One-electron reduction of kinetically stabilized dipnictenes: Synthesis of dipnictene anion radicals. Journal of the American Chemical Society, 128(38), 12582-12588. https://doi.org/10.1021/ja064062m