Synthesis and properties of a new kinetically stabilized digermyne: New insights for a germanium analogue of an alkyne

Yusuke Sugiyama, Takahiro Sasamori, Yoshinobu Hosoi, Yukio Furukawa, Nozomi Takagi, Shigeru Nagase, Norihiro Tokitoh

Research output: Contribution to journalArticle

139 Citations (Scopus)

Abstract

The reduction of an overcrowded (E)-1,2-dibromodigermene, Bbt(Br)Ge=Ge(Br)Bbt (2) [Bbt = 2,6-bis[bis(trimethylsilyl)methyl]-4- [tris(trimethylsilyl)methyl]phenyl], with KC8 afforded a stable digermyne, BbtGe≡GeBbt (1). The Ge≡Ge triple-bond characters of 1 were revealed by the X-ray crystallographic analysis and spectroscopic studies (UV/vis and Raman spectra) together with theoretical calculations. The Ge≡Ge bond lengths of the two nonidentical molecules of 1 observed in the unit cell were shorter than that of the previously reported digermyne, Ar′e≡GeAr′ (Ar′ = 2,6-Dip2C6H 3, Dip = 2,6-diisopropylphenyl).

Original languageEnglish
Pages (from-to)1023-1031
Number of pages9
JournalJournal of the American Chemical Society
Volume128
Issue number3
DOIs
Publication statusPublished - 2006 Jan 25

ASJC Scopus subject areas

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

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