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 …

Thermochromic microcapsules containing chiral mesogens enclosed by hydrogel shell for colorimetric temperature reporters

JW Kim, Y Oh, S Lee, SH Kim - Advanced Functional Materials, 2022 - Wiley Online Library
Chiral mesogens spontaneously form a cholesteric phase and show structural colors
through wavelength‐selective reflection. Although chiral mesogens are pragmatic materials …

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 …

Liquid crystalline materials containing pyrimidine rings

G Hu, W Qian, J Chang, Z Yang, X Wu, K Zhang… - Liquid …, 2024 - Taylor & Francis
Liquid crystals with their unique ordered mesophases and anisotropic physical properties,
such as optical, magnetic and dielectric anisotropy, have found wide opto-electronic …

Synthesis and characterization of novel cholesterol based mesogenic compounds using 'click'chemistry

KC Majumdar, S Mondal, RK Sinha - New Journal of Chemistry, 2010 - pubs.rsc.org
An efficient route for the synthesis of hitherto unreported non-symmetric dimesogens
consisting of a cholesteryl moiety and an aromatic mesogenic unit interconnected through a …

Synthesis of cholesterol containing unsymmetrical dimers: a new series of liquid crystals

TEA Frizon, AA Vieira, FC Giacomelli, R Cercená… - Liquid …, 2022 - Taylor & Francis
We report an efficient and practical procedure for the synthesis of cholesterol containing
unsymmetrical liquid crystals dimers. Liquid crystalline and thermal properties were studied …

1, 3-Dimethyl-5-(3, 4, 5-tris (alkoxy) benzoyl) barbituric acid derivatives and their liquid crystalline difluoroboron complexes: Synthesis, characterization and …

E Giziroglu, A Nesrullajev, N Orhan - Journal of Molecular Structure, 2014 - Elsevier
Abstract A series of 1, 3-dimethyl-5-(3, 4, 5-tris (alkoxy) benzoyl) barbituric acid derivatives
1a–4a with various chain length were synthesized by our group for the first time through the …

2-phenylbenzoxazole-containing calamitic liquid crystals: synthesis and characterisation

KC Majumdar, T Ghosh, DS Shankar Rao… - Liquid …, 2011 - Taylor & Francis
A series of 2-phenylbenzoxazole liquid crystals having intramolecular hydrogen-bonded
Schiff's base linkers have been synthesised. All of them exhibit liquid crystalline phase …

Liquid-crystalline dimers containing cholesteryl groups and azobenzene moieties with branched allyl chain: synthesis and properties

H Huang, Y Cong, B Hu, B Zhang - Liquid Crystals, 2021 - Taylor & Francis
ABSTRACT A series of liquid-crystalline dimers containing a cholesteryl group and a
azobenzene moiety with branched allyl chain were synthesised, all exhibiting chiral nematic …

Occurrence of unusually wide thermal range enantiotropic twist grain boundary TGBC* phases in unsymmetrical cholesterol and oxadiazole based liquid crystalline …

KC Majumdar, PK Shyam, DSS Rao… - Journal of Materials …, 2011 - pubs.rsc.org
We report the occurrence of the liquid crystalline twist grain boundary phase with smectic C*
blocks (TGBC*) over a very wide thermal range (∼ 100° C) in cholesterol based liquid …