New 1,3-dithiane type ionic liquid crystal compounds

Author: Haramoto Y.   Ryouichi Y.   Ujiie S.S.   Nanasawa M.  

Publisher: Taylor & Francis Ltd

ISSN: 0267-8292

Source: Liquid Crystals, Vol.24, Iss.6, 1998-06, pp. : 877-880

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Abstract

New pyridinium type thermotropic ionic liquid crystal materials having a 1,3-dithiane ring in their central core, N -substituted-4-(5-alkyl-1,3-dithian-2-yl)pyridinium bromides ( 8 ), were synthesized. These compounds exhibited a smectic A phase over a very wide temperature range including room temperature.