Redox-Dependent Transformation of a Hydrazinobuckybowl between Curved and Planar Geometries

Shuhei Higashibayashi, Palash Pandit, Rie Haruki, Shin Ichi Adachi, Reiji Kumai

研究成果: Article査読

40 被引用数 (Scopus)

抄録

A red-fluorescent heterobuckybowl with an embedded hydrazine structure was synthesized from a cyclobiphenothiazine derivative via a strained cyclobicarbazole. The hydrazinobuckybowl was found to possess bowl and twist structures in the neutral state, a shallow bowl structure in the monocation state, and a planar structure in the dication state by means of X-ray crystallographic analysis, DFT calculations, and a comparison of experimental and calculated13C NMR chemical shifts. The hydrazinobuckybowl is the first buckybowl that changes its geometry between curved bowl/twist structures and a planar structure depending on the oxidation state. The drastic geometrical change was possible as a result of the presence of two heteroatoms in the bowl skeleton and the multiple reversible redox reactions of the compound. Owing to the two kinds of bowl and twist conformations, the bowl-inversion dynamics of the hydrazinobuckybowl were found to follow a triple-well potential model.

本文言語English
ページ(範囲)10830-10834
ページ数5
ジャーナルAngewandte Chemie - International Edition
55
36
DOI
出版ステータスPublished - 2016 8月 26
外部発表はい

ASJC Scopus subject areas

  • 触媒
  • 化学 (全般)

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