Recent advances in heterocycle-based metal-free calamitics

T Ghosh, M Lehmann - Journal of Materials Chemistry C, 2017 - pubs.rsc.org
Liquid crystals (LCs) are ordered soft materials formed by self-assembling molecules, which
combine anisotropic properties with the fluidity of a liquid. They can potentially be used as …

Heterocyclic pyridine-based liquid crystals: synthesis and mesomorphic properties

LK Ong, ST Ha, GY Yeap, HC Lin - Liquid Crystals, 2018 - Taylor & Francis
ABSTRACT A series of new calamitic liquid crystals, 4-{[(pyridin-4-yl) methylidene] amino}
phenyl 4-alkoxybenzoates comprising a heterocyclic (pyridine) and two phenyl rings core …

New azo-benzothiazole based liquid crystals: synthesis and study of the effect of lateral‎ substituents on their liquid crystalline behaviour

UJ Al-Hamdani, HS Abbo, AA Al-Jaber… - Liquid …, 2020 - Taylor & Francis
New azo-phenylbenzothiazole moiety-based liquid crystals with diverse substituents/groups
(H, OH, CH3, Cl, F) at position-3 of the central benzene ring were prepared and …

Synthesis, materials characterization and opto (electrical) properties of unsymmetrical azomethines with benzothiazole core

A Iwan, M Palewicz, M Krompiec… - … Acta Part A: Molecular …, 2012 - Elsevier
Optical (UV–vis and photoluminescence) properties of two soluble organic molecules based
on azomethines with benzothiazole core (BTA1 and BTA2) were reported. The structures of …

Chloro-benzothiazole Schiff base ester liquid crystals: synthesis and mesomorphic‎ investigation

UJ Al-Hamdani, HS Abbo, AA Fadhl, SJJ Titinchi - Liquid Crystals, 2022 - Taylor & Francis
Nine new rod-like chlorobenzothiazole based liquid crystals (1–9) containing Schiff base
and ester linking groups bearing different terminal substituents are described. Although a …

Synthesis, mesomorphic properties, and theoretical study of benzothiazole-aromatic molecules with ester-and azomethine-linking groups

UJ Al-Hamdani, AM Jassem, AM Dhumad… - Liquid …, 2021 - Taylor & Francis
Two novel groups of rod-like molecules with benzothiazole-aromatic systems: one group
(group A) having an ester linkage with different thioalkyl chain length and the other (group B) …

Effects of terminal substituents on mesomorphic properties of Schiff base–ester mesogens and DFT calculations

UJ Al-Hamdani, HA Abdulwahhab, KA Hussein - Liquid Crystals, 2022 - Taylor & Francis
Two new groups of rod-like molecules with benzothiazole-aromatic systems: one group
(B1Y) and the other (B2Z) having a Schiff and ester linkages with different terminal groups …

Synthesis, spectroscopic and mesomorphic studies on heterocyclic liquid crystals with 1, 3-oxazepine-4, 7-dione, 1, 3-oxazepane-4, 7-dione and 1, 3-oxazepine-1, 5 …

GY Yeap, AKT Mohammad, H Osman - Journal of Molecular Structure, 2010 - Elsevier
Three series of newly derived 3-substituted-phenyl-2-(4-(tetradecyloxy) phenyl)-2, 3-dihydro-
1, 3-oxazepine-4, 7-diones, 3-substituted-phenyl-2-(4-(tetradecyloxy) phenyl)-1, 3 …

Synthesis and characterization of azo benzothiazole chromophore based liquid crystal macromers: effects of substituents on benzothiazole ring and terminal group on …

MR Karim, MRK Sheikh, NM Salleh, R Yahya… - Materials Chemistry and …, 2013 - Elsevier
A series of azo benzothiazole chromophore based liquid crystalline compounds having
different substituents at the sixth position on benzothiazole moiety with methacrylate terminal …

Synthesis, characterization, crystal structure and mesomorphic behavior of thiophene based homologous series

KJ Nakum, KD Katariya, VK Gupta, RN Jadeja - Phase Transitions, 2021 - Taylor & Francis
Through condensation of 4-n-alkoxybenzaldehyde (n= 2 to 8, 10, 12, 14, 16, 18) with (E)-1-
(4-aminophenyl)-3-(thiophen-2-yl) prop-2-en-1-one, new homologous series of rod shaped …