Reversible nonequilibrium-to-equilibrium chemical reaction and molecular switching function of sulfonamidohelicene oligomer

Masanori Shigeno, Yo Kushida, Masahiko Yamaguchi

研究成果: Review article査読

1 被引用数 (Scopus)

抄録

Nonequilibrium-to-equilibrium chemical reactions, involving change of a metastable to an equilibrium state, are discussed from the aspects of reaction paths and thermodynamics. Such reaction exhibits multiple-paths nature in microscopic molecular structural changes and in macroscopic molecular concentration changes. Involvement of reversibility largely enhances the multiple-paths nature. We describe here our recent studies on the reversible nonequilibrium molecular switching system of sulfonamidohelicene oligomer in diluted solution, which involves the reversible nonequilibrium-to-equilibrium chemical reactions. Molecular structural changes from metastable random-coil to helix-dimer under equilibrium with self-catalysis show notable chemical phenomena of molecular thermal hysteresis, molecular memory effect, threshold phenomena, counting the numbers 1 and 2, and concentration amplification.

本文言語English
ページ(範囲)228-239
ページ数12
ジャーナルYuki Gosei Kagaku Kyokaishi/Journal of Synthetic Organic Chemistry
75
3
DOI
出版ステータスPublished - 2017 1 1

ASJC Scopus subject areas

  • 有機化学

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