New mixed tail triphenylene discotic liquid crystals

M. Manickam, Sandeep Kumar

Research output: Contribution to journalArticlepeer-review

18 Scopus citations

Abstract

Some new mixed tail triphenylene discotic liquid crystals having three alkoxy and three alkanoyloxy chains have been prepared and characterized. Effects of unsymmetrical substitution by virtue of different alkyl chains in the periphery and their attachment to the core were studied. The synthesis was carried out by esterification of the symmetrical and unsymmetrical trihydroxy-tripentyloxytriphenylenes with various acid chlorides. All the mixed tail triphenylene derivatives stabilize the mesophase range compared to the hexaether or hexaester derivatives of triphenylene. Nonsymmetric isomers have a broader mesophase range than the symmetric isomers.

Original languageEnglish
Pages (from-to)165-176
Number of pages12
JournalMolecular Crystals and Liquid Crystals
Volume326
DOIs
StatePublished - 1999
Externally publishedYes

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