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Int. J. Mol. Sci. 2011, 12(5), 3182-3190; doi:10.3390/ijms12053182
Article

Mesomorphic Properties of an Homologous Series of Thioalkyl-Terminated Azomesogens

Department of Chemistry, College of Education, Basrah University, P.O. Box 716, Basrah, Iraq
Received: 30 January 2011 / Revised: 21 March 2011 / Accepted: 25 April 2011 / Published: 16 May 2011
(This article belongs to the Section Material Sciences and Nanotechnology)
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Abstract

A new homologous series (ten compounds) of 2-hydroxy azo compounds SRn (where n:1–10) were synthesized. Their structures were elucidated using spectroscopic techniques such as IR (Infrared), 1H-NMR as well as elemental analysis. Mesomorphic properties and phase transitions were studied using polarized hot stage optical microscopy and differential scanning calorimetry (DSC), and are discussed as a function of the number of carbon atoms in the thioalkyl chain. It has been found that all compounds in the series are pure nematogens.
Keywords: azo; terminal thioalkyl; Nematic azo; terminal thioalkyl; Nematic
This is an open access article distributed under the Creative Commons Attribution License (CC BY 3.0).
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Al-Hamdani, U.J. Mesomorphic Properties of an Homologous Series of Thioalkyl-Terminated Azomesogens. Int. J. Mol. Sci. 2011, 12, 3182-3190.

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