Studies of Calamitic Liquid Crystalline Compounds Involving Ester-Azo Central Linkages with a Biphenyl Moiety

…, NB Patel, NJ Chothani, JB Kanojiya

Index: Thaker; Dhimmar; Patel; Solanki; Chothani; Kanojiya Molecular Crystals and Liquid Crystals, 2011 , vol. 548, p. 172 - 191

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Citation Number: 2

Abstract

Two mesogenic homologous series involving ester-azo central linkages with a biphenyl moiety have been synthesized, such as 4′-[(4-n-alkoxyphenyl) diazenyl] biphenyl-4-ol (series I) and 4′-[(4-n-alkoxyphenyl) diazenyl]-4-butoxy phenyl biphenyl-4-carboxylate (series II). Azobiphenyl of series I having a free hydroxyl group with strong hydrogen bonding exhibits a high-temperature enantiotropic smectic phase. Whereas in series II, ...