Cooperative effect of spacer and Lewis base on highly reversible spectral changes of the octaethylporphyrin chromatic system in sensitivity, stability, and visibility to trifluoroacetic acid

Hideto Kempe, Junya Yamamoto, Miki Ishida, Nobutomo Takahashi, Junro Yoshino, Naoto Hayashi, Hiroyuki Higuchi*

*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

2 被引用数 (Scopus)

抄録

The diacetylene-group connected chromatic system of [octaethylporphyrin]-[spacer]-[Lewis base] triads (OEP-SPC-LB) was conclusively studied, in which a trigger-like interaction of the terminal LB with trifluoroacetic acid (TFA) dramatically affects the inherent electronic properties of OEP. The 1HNMR, IR, and electronic absorption spectral properties of these OEP derivatives were examined, and were contemplated in view of a cooperative effect of SPC and LB on their OEP nucleus. Based on the results from this study, the structural elements for molecular design will be proposed in order to improve their reversible spectral changes between neutral and acidic media in terms of sensitivity, stability, and visibility to TFA.

本文言語英語
ページ(範囲)1233-1244
ページ数12
ジャーナルBulletin of the Chemical Society of Japan
89
10
DOI
出版ステータス出版済み - 2016

ASJC Scopus 主題領域

  • 化学一般

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