Helical arrangement of a hydrogen-bonded columnar liquid crystal induced by a centered triphenylene derivative bearing chiral side-chains

Shinsuke Ishihara, Yusuke Furuki, Shinji Takeoka

Research output: Contribution to journalArticlepeer-review

10 Citations (Scopus)

Abstract

A hydrogen-bonded helical columnar liquid crystal was synthesized, in which the helical structure is induced by a centered triphenylene derivative bearing chiral side-chains. The triphenylene derivative, 2,6,10-tris(carboxymethoxy)-3,7,11-tris((S)-(-)-2-methyl-1-butanoxy) triphenylene (TPC4(S)), and a dendric amphiphile, 3,5-bis-(3,4-bis-dodecyloxy-benzyloxy)-N-pyridine-4-yl-benzamide (DenC12), were mixed in a 1:3 ratio to obtain a complex, TPC4(S)-DenC12. Analyses by 1H-NMR spectroscopy, diffusion ordered spectroscopy (DOSY), CD spectroscopy, infrared (IR) spectroscopy, polarized optical microscopy (POM), differential scanning calorimetry (DSC), and X-ray diffractometry revealed that TPC-4(S)-DenC12 self-assembles to form helical columnar stacks in solution and a helical columnar liquid crystal in bulk. The hydrogen bonding between TPC4(S) and DenC12 is essential for the helical columnar organization, and the preference for a one-handed helical conformation is likely derived from the steric interaction between the chiral side-chains and the dendric amphiphiles in the packing of the hydrogen-bonded columnar assemblies.

Original languageEnglish
Pages (from-to)1097-1104
Number of pages8
JournalPolymers for Advanced Technologies
Volume19
Issue number8
DOIs
Publication statusPublished - 2008 Aug 1

Keywords

  • Columnar structure
  • Hydrogen bonding
  • Induced helicity
  • Liquid crystal
  • Supramolecular chemistry

ASJC Scopus subject areas

  • Polymers and Plastics

Fingerprint Dive into the research topics of 'Helical arrangement of a hydrogen-bonded columnar liquid crystal induced by a centered triphenylene derivative bearing chiral side-chains'. Together they form a unique fingerprint.

Cite this