Synthesis of self-organizing mesogenic materials containing a sulfur-based five-membered heterocyclic core

Chemical Society Reviews Pub Date: 2007-07-02 DOI: 10.1039/B612666A

Abstract

The majority of low molar mass calamitic mesogenic systems in the literature contain linear cores based on the 1,4-disubstituted phenyl ring. Heterocyclic cores such as thiophene impart unique physical properties as their slightly bent structure leads to features including a reduced packing ability (generally giving rise to lower melting points than their phenyl counterparts), a medium to strong lateral dipole, high anisotropy of the polarizability, low viscosity etc. This critical review describes the most recent synthetic methodology that has been used to prepare thiophene, 1,3-thiazole, and 1,3,4-thiadiazole-based mesogenic materials. (154 references)

Graphical abstract: Synthesis of self-organizing mesogenic materials containing a sulfur-based five-membered heterocyclic core
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