Mesomorphic behavior of new benzothiazole liquid crystals having Schiff base linker and terminal methyl group

Sie Tiong Ha*, Kok Leei Foo, Hong-Cheu Lin, Masato M. Ito, Kazuma Abe, Kenji Kunbo, S. Sreehari Sastry

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

7 Scopus citations

Abstract

A homologous series of heterocycles, 6-methyl-2-(4-alkoxybenzylidenamino) benzothiazoles, were synthesized and characterized using FT-IR, 1H and 13C NMR and mass spectrometric analysis. Enantiotropic nematic phase was observed for shorter members. Smectic A phase only emerged from octyloxy derivative onwards. The terminal methyl group at the benzothiazole fragment and the Schiff base linkage influenced the mesomorphic behavior of the present series.

Original languageEnglish
Pages (from-to)761-764
Number of pages4
JournalChinese Chemical Letters
Volume23
Issue number7
DOIs
StatePublished - 1 Jul 2012

Keywords

  • Benzothiazole
  • Liquid crystal
  • Nematic
  • Schiff bases
  • Smectic A

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