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Liquid Crystals Volume 30, 2003 - Issue 3
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Original Articles

Supramolecular liquid crystals induced by intermolecular hydrogen bonding between benzoic acid and 4-(alkoxyphenylazo) pyridines

Xiangzhi Song State Key Laboratory for Structural Chemistry of Unstable and Stable Species, College of Chemistry and Molecular Engineering, Peking University, Beijing 100871, PR China
,
Jiaxin Li State Key Laboratory for Structural Chemistry of Unstable and Stable Species, College of Chemistry and Molecular Engineering, Peking University, Beijing 100871, PR China
&
Shiwei Zhang State Key Laboratory for Structural Chemistry of Unstable and Stable Species, College of Chemistry and Molecular Engineering, Peking University, Beijing 100871, PR China
Pages 331-335 | Published online: 11 Nov 2010
 
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Abstract

Supramolecular liquid crystalline complexes have been obtained from binary mixtures of 4-(alkoxyphenylazo) pyridines and 4-octyloxylbenzoic acid. None of the pyridine-based derivatives is mesomorphic, but the hydrogen-bonded complexes are. Their liquid crystalline properties were investigated by DSC, polarizing optical microscopy, FTIR spectroscopy and powder X-ray diffraction. The complexes exhibit enantiotropic smectic C phases.

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Related Research Data

Effect of lateral substitution on supramolecular liquid crystal associates induced by hydrogen-bonding interactions between 4-(4′-pyridylazo-3-methylphenyl)-4′′-alkoxy benzoates and 4-substituted benzoic acids
Source: Informa UK Limited
Supramolecular Hydrogen-Bonded Liquid Crystals Formed from 4-(4′-Pyridylazophenyl)-4″–Substituted Benzoates and 4-Alkoxybenzoic Acids
Source: Informa UK Limited
Supramolecular Liquid Crystals Induced by Hydrogen-Bonding Interactions between Non-Mesomorphic Compounds. II. Effect of Lateral Substitution
Source: Informa UK Limited
Aggregation dependent fluorescence switching in benzothiazole derivative based H-bonded mesogen
Source: Informa UK Limited
Supramolecular Hydrogen-Bonded Liquid Crystals Formed from 4-(4′-Pyridylazophenyl)-4″-alkoxy Benzoates and 4-Substituted Benzoic Acids
Source: Informa UK Limited
Molecular and Crystal Structure of the Cocrystal of p-n-Heptyloxybenzoic Acid‒p-n-Hexyloxybenzoic Acid, Obtained in the System of Mesomorphic Acids
Source: Pleiades Publishing Ltd
Study of the mesomorphic behaviour through the structure modification of azo and acetylene pyridinium and imidazolium-based ionic liquid crystals
Source: Informa UK Limited
Novel hydrogen-bonded angular supramolecular liquid crystals
Source: Informa UK Limited

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