Acidic proton modulation of a stilbene-based zwitterionic sulfonic acid in the solid state: Mimicking a biological device

Chien Chih Chen, Toshiyuki Sasaki, Atsushi Yamamoto, Jui Hsiang Liu, Ichiro Hisaki, Mikiji Miyata, Norimitsu Tohnai

Research output: Contribution to journalArticlepeer-review

1 Citation (Scopus)

Abstract

Acidic proton modulation of a stilbene-based zwitterionic sulfonic acid in the crystalline state was studied using three amines with different pK a values. The three organic crystal structures prepared from the intermolecular interactions of the acid with the amines and water were solved by single-crystal X-ray crystallography. These crystals included an ammonium salt and two hydrate crystals. Furthermore, the three generated crystals could mimic three distinct biological systems: a water/proton blockade, a protonated water array, and a one-dimensional water channel.

Original languageEnglish
Pages (from-to)299-301
Number of pages3
JournalChemistry Letters
Volume43
Issue number3
DOIs
Publication statusPublished - 2014 Mar 11

All Science Journal Classification (ASJC) codes

  • Chemistry(all)

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