Preparation and spectroscopic study of alternate meta-ethynylpyridine oligomer involving 2,4,6-trisubstituted and 3,5-disubstituted pyridine rings

Hajime Abe*, Daiki Suzuki, Ayako Shimizu, Masahiko Inouye

*この論文の責任著者

研究成果: ジャーナルへの寄稿学術論文査読

4 被引用数 (Scopus)

抄録

A new type of ethynylpyridine cooligomer which consists of 3,5- and 2,6-pyridylene units alternately linked with acetylene bonds was prepared by repeating Sonogashira reaction. 1H NMR study suggested that this cooligomer associates with methanol by hydrogen-bonding at the pyridine units. Intramolecular excimer emission was observed around 540 nm by fluorescence measurement, indicating the formation of helical conformation. Weak induced CD was observed by the addition of octyl glucoside as a guest.

本文言語英語
ページ(範囲)547-557
ページ数11
ジャーナルHeterocycles
88
1
DOI
出版ステータス出版済み - 2014

ASJC Scopus 主題領域

  • 分析化学
  • 薬理学
  • 有機化学

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