Synthesis of fluorinated naphthylphenylacetylenic and naphthylphenyldiacetylenic liquid crystals

Chain-Shu Hsu*, K. T. Tsay, A. C. Chang, S. R. Wang, S. T. Wu

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

16 Scopus citations

Abstract

Four series of fluorinated tolanes, naphthylphenylacetylenes and naphthylphenyldiacetylenes were prepared and characterized. Most of the fluorinated tolanes exhibit no mesomorphic behaviour. However, most of the fluorinated naphthylphenylacetylenes and naphthylphenyldi¬acetylenes form enantiotropic nematic phases. The dielectric anisotropy and birefringence of some selected compounds were measured by a guest-host method. All of those studied show relatively high dielectric anisotropy and birefringence.

Original languageEnglish
Pages (from-to)409-414
Number of pages6
JournalLiquid Crystals
Volume19
Issue number4
DOIs
StatePublished - 1 Jan 1995

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