Molecular function of counting the numbers 1 and 2 exhibited by a sulfoneamidohelicene tetramer

Masanori Shigeno, Yo Kushida, Yuta Kobayashi, Masahiko Yamaguchi

研究成果: Article査読

14 被引用数 (Scopus)

抄録

The sulfoneamidohelicene tetramer in solution exhibits different molecular responses to the same cooling stimulus delivered once and twice under thermal hysteresis conditions. Its random-coil state at a high temperature was cooled and maintained at a given temperature for which its molecules remained in a random coil (first cooling); the resulting solution was heated and cooled, after which a helix dimer formed (second cooling). Such a property can be regarded as a molecular function of counting the numbers 1 and 2. Chemistry that counts! The sulfoneamidohelicene tetramer in solution responds not to the first cooling stimulus but to the second under thermal hysteresis conditions; this changes the structure from a random coil to a helix dimer (see figure; Boc=tert-butoxycarbonyl). This is a molecular function of counting the numbers 1 and 2.

本文言語English
ページ(範囲)12759-12762
ページ数4
ジャーナルChemistry - A European Journal
20
40
DOI
出版ステータスPublished - 2014 9 26

ASJC Scopus subject areas

  • 触媒
  • 有機化学

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