New thermotropic liquid crystals with benzoxazole core

Sie-Tiong Ha; Kok-Leei Foo

doi:10.3390/ecsoc-15-00747

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New thermotropic liquid crystals with benzoxazole core

Sie-Tiong Ha

^*,

Kok-Leei Foo

¹ Faculty of Science, Universiti Tunku Abdul Rahman, MALAYSIA

Published: 31 October 2011 by MDPI in The 15th International Electronic Conference on Synthetic Organic Chemistry session General Organic Synthesis

https://doi.org/10.3390/ecsoc-15-00747

Abstract: New thermotropic liquid crystals containing benzoxazole core and alkanoyloxy chain at the end group of the molecules (C_n-1H_2n-1COO-, n = 14, 16, 18) was synthesized. The present compounds are enantiotropic smectic A liquid crystals.It was also found that the end groups of the molecules and polar chloro substituent at the benzoxazole fragment had effect on the mesomorphic properties.

Keywords: Schiff bases, Benzoxazoles, Mesomorphic, Smectic A, Structure-property relationship

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Sie-Tiong Ha

Kok-Leei Foo