Photochemical reactions of digermanyl-substituted naphthalenes: The germyl migration to the aromatic ring

Kunio Mochida, Hiroyuki Ginyama, Masae Takahashi, Mitsuo Kira

研究成果: Article査読

9 被引用数 (Scopus)

抄録

Photochemical reactions of digermanyl-substituted naphthalenes have been investigated by chemical studies using trapping agents, laser flash photolysis, and ab initio MO calculations. Irradiation of 1-(pentamethyldigermanyl)naphthalene (1) afforded mainly an isomer, 1-(dimethylgermyl)-8-(trimethylgermyl)naphthalene (4), via photochemical formation of a pair of trimethylgermyl radical and 1- naphthyldimethylgermyl radical, and then recombination at the 8-position of the latter followed by an intramolecular 1,4-hydrogen shift. At the same time a small amount of 1-(trimethylgermyl)naphthalene (5) was formed through the dimethylgermylene extrusion from 1. From photolysis of 2-(pentamethyldigermany)naphthalene a high molecular weight polymer was obtained. The excited states of digermanyl-substituted naphthalenes responsible for the photodecomposition are also discussed.

本文言語English
ページ(範囲)163-171
ページ数9
ジャーナルJournal of Organometallic Chemistry
553
1-2
DOI
出版ステータスPublished - 1998 2月 25
外部発表はい

ASJC Scopus subject areas

  • 生化学
  • 物理化学および理論化学
  • 有機化学
  • 無機化学
  • 材料化学

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