Liquid crystal and photoluminescent properties of a series of symmetrical 1,2-bis(4-alkoxybenzylidene)hydrazines bearing long-tails of hydrocarbon chain

References

• Steed JW, Atwood JL. Supramolecular chemistry. 2nd ed. Wiltshire: John Wiley & Sons; 2009.
   Google Scholar
• Ramamoorthy A. Thermotropic liquid crystals: recent advances. Dordrecht: Springer; 2007.
   Google Scholar
• Müller A, Garai S, Schäffer C, et al. Water Repellency in Hydrophobic Nanocapsules—Molecular View on Dewetting. Chem. Eur. J. 2014;20(22):6659–6664.
   Google Scholar
• Brake JM, Daschner MK, Luk YY, et al. Biomolecular interactions at phospholipid-decorated surfaces of liquid crystals. Science. 2003;302:2094–2097.
   PubMed Web of Science ®Google Scholar
• Shiyanovskii SV, Schneider T, Smalyukh I. et al. Realtime microbe detection based on director distortions around growing immune complexes in lyotropic chromonic liquid crystals. Phys Rev Lett E. 2005; 71.
   Google Scholar
• Goodby JW, Collings PJ, Kato T, et al. Handbook of liquid crystals. Weinheim: Wiley-VCH; 2014.
   Google Scholar
• Kato T, Yasuda T, Kamikawa Y, et al. Self-assembly of functional columnar liquid crystals. Chem Commun. 2009:729–739. doi:https://doi.org/10.1039/b816624b
   PubMed Web of Science ®Google Scholar
• Olate FA, Ulloa JA, Vergara JM, et al. Columnar liquid crystalline tris-(ether)triazines with pendant 1,3,4-thiadiazole groups: synthesis, mesomorphic, luminescence, solvatofluorochromic and electrochemical properties. Liq Cryst. 2016;43(6):811–827.
   Web of Science ®Google Scholar
• Girotto E, Behramand B, Bechtold IH, et al. Thiophene-based bent-shaped luminescent liquid crystals: synthesis and characterisation. Liq Cryst. 2017;44(8):1231–1239.
   Web of Science ®Google Scholar
• Rossi CO, Cretu C, Ricciardi L, et al. Rheological and photophysical investigations of chromonic-like supramolecular mesophases formed by luminescent iridium(III) ionic complexes in water. Liq Cryst. 2017;44(5):880–888.
   Web of Science ®Google Scholar
• Krikorian M, Voll CCA, Yoon M, et al. Smectic A mesophases from luminescent sandic platinum(II) mesogens. Liq Cryst. 2016;43(12):1709–1713.
   Web of Science ®Google Scholar
• Middha M, Kumar R, Raina KK. Photoluminescence tuning and electro-optical memory in chiral nematic liquid crystals doped with silver nanoparticles. Liq Cryst. 2016;43(7):1002–1008.
   Web of Science ®Google Scholar
• Kaur R, Bhullar GK, Raina KK. Effects of silver nanoparticles doping on morphology and luminescence behaviour of ferroelectric liquid crystals Langmuir-Blodgett films. Liq Cryst. 2016;43(12):1760–1767.
   Web of Science ®Google Scholar
• Hammood AJ, Kased AFH, AJM A-K, et al. Efficient and practical method for the synthesis of hydrophobic azines as liquid crystalline materials. Mol Cryst Liq Cryst. 2017;648(1):114–129.
   Web of Science ®Google Scholar
• AJM A-K, Hammood AJ, Awad AA, et al. Synthesis and mesomorphism behaviour of chalcones and pyrazoles type compounds as photo-luminescent materials. Liq Cryst. 2018;45(11):1603–1619.
   Web of Science ®Google Scholar
• Fleischmann EK, Zentel R. Liquid-crystalline ordering as a concept in materials science: from semiconductors to stimuli-responsive devices. Angew Chem Int Ed. 2013;52(34):8810–8827.
   PubMed Web of Science ®Google Scholar
• Al-Karawi AJM. From mesogens to metallomesogens. Synthesis, characterisation, liquid crystal and luminescent properties. Liq Cryst. 2017;44(14–15):2285–2300.
   Web of Science ®Google Scholar
• AJM A-K, Kased AFH, Awad AA, et al. Designing of some photo-luminescent materials based on a new mesogenic asymmetrical azine series. J Mol Struct. 2018;1168: 92–105.
   Web of Science ®Google Scholar
• Awad AA, A-A BO, AJM A-K, et al. Mesomorphism behaviour and photoluminescent properties of new asymmetrical 1, 2-di (4-alkoxybenzylidene) hydrazines. J Chem Res. 2019;43(1–2):67–77.
   Web of Science ®Google Scholar
• Ghedini M, Pucci D, Crispini A, et al. A red emitting discotic liquid crystal containing the cyclopalladated nile red chromophore. Inorg Chem Commun. 2007;10:243–246.
   Web of Science ®Google Scholar
• Driesen K, Moors D, Beeckman J, et al. Near-infrared luminescence emitted by an electrically switched liquid crystal cell. J Lumin. 2007;127:611–615.
   Web of Science ®Google Scholar
• Su´arez S, Mamula O, Imvert D, et al. Luminescence-detected phase transitions in lanthanide-containing liquid crystals. Chem Commun. 2003;1226–1227. DOI:https://doi.org/10.1039/B302438E
   PubMed Web of Science ®Google Scholar
• Jayabharathi J, Thanikachalam V, Thangamani A, et al. Synthesis, AM1 calculation, and biological studies of thiopyran-4-one and their azine derivatives. Med Chem Res. 2007;16(6):266–279.
   Web of Science ®Google Scholar
• Khodair AI, Bertrand P. A new approach to the synthesis of substituted 4-imidazolidinones as potential antiviral and antitumor agents. Tetrahedron. 1998;54(19):4859–4872.
   Web of Science ®Google Scholar
• Picón-Ferrer I, Hueso-Ureña F, Illán-Cabeza NA, et al. Chloro-fac-tricarbonylrhenium (I) complexes of asymmetric azines derived from 6-acetyl-1, 3, 7-trimethylpteridine-2, 4 (1H, 3H)-dione with hydrazine and aromatic aldehydes: preparation, structural characterization and biological activity against several human tumor cell lines. J Inorg Biochem. 2009;103(1):94–100.
   PubMed Web of Science ®Google Scholar
• Silverstein R, Webster F, Kiemle D, et al. Spectrophotometric identification of organic compounds. New York: Willy; 2014.
   Google Scholar
• Priestly E. Introduction to liquid crystals. New York: Springer Science & Business Media; 2012.
   Google Scholar
• Kumar S. Liquid crystals: experimental study of physical properties and phase transitions. Cambridge: Cambridge University Press; 2001.
   Google Scholar
• Demus D, Richter L. Textures of liquid crystals. Weinheim: Wiley-VCH Verlag GmbH; 2003.
   Google Scholar
• Sparavigna A, Mello A, Massa G. Undulation textures at the phase transitions of some alkyloxybenzoic acids. Phase Transitions. 2009;82(5):398–408.
   Web of Science ®Google Scholar
• Artigas M, Marcos M, Melendez E, et al. Influence of changes in the central core on the mesomorphic properties of 4, 4ʹ-dialkoxybenzalazines and derivatives (II). Mol Cryst Liq Cryst. 1985;130(3–4):337–347.
   Web of Science ®Google Scholar
• Marcos M, Melendez E, Synthesis SJ. Mesomorphic properties of three homologous series of 4, 4′-dialkoxy-α, α′-dimethylbenzalazines a comparative study (I). Mol Cryst Liq Cryst. 1983;91(1–2):157–172.
   Web of Science ®Google Scholar
• Szmant HH, McGinnis C. Hydrazones and azines of diaryl ketones. J Am Chem Soc. 1950;72(7):2890–2892.
   Web of Science ®Google Scholar
• Chiou JY, Chen J, Lei J, et al. Ionic liquid crystals of imidazolium salts with a pendant hydroxyl group. J Mater Chem. 2006;16(29):2972–2977.
   Web of Science ®Google Scholar
• Hsu S, Hsu K, Leong MK, et al. Au (I)-benzimidazole/imidazole complexes. Liquid crystals and nanomaterials. Dalton Trans. 2008; (14):1924–1931. DOI:https://doi.org/10.1039/b717787a.
   PubMed Web of Science ®Google Scholar
• Mayoral MJ, Ovejero P, Campo JA, et al. Silver pyrazole complexes with tunable liquid crystals and luminescent properties. New J Chem. 2010;34(12):2766–2776.
   Web of Science ®Google Scholar
• Elgueta EY, Parra ML, Barbera J, et al. New polycatenar Schiff bases derived from 1,3,4-thiadiazole: synthesis, mesomorphism and luminescence behaviour. Liq Cryst. 2016;43(11):1649–1658.
   Web of Science ®Google Scholar