A facile synthesis of a room-temperature chiral discotic nematic liquid crystal based on pentaalkynylbenzene core

References

• Kato T, Yoshio M, Ichikawa T, et al. Transport of ions and electrons in nanostructured liquid crystals. Nat Rev Mater. 2017;2:1–20.
   Web of Science ®Google Scholar
• Concellón A, Schenning APHJ, Romero P, et al. Size-selective adsorption in nanoporous polymers from coumarin photo-cross-linked columnar liquid crystals. Macromolecules. 2018;51:2349–2358.
   Web of Science ®Google Scholar
• Adam D, Schuhmacher P, Simmerer J, et al. Fast photoconduction in the highly ordered columnar phase of a discotic liquid crystal. Nature. 1994;371(6493):141–143.
   Web of Science ®Google Scholar
• Kumar S. Investigations on discotic liquid crystals. Liq Cryst. 2020;47:1195–1203.
   Web of Science ®Google Scholar
• Feng X, Sosa-Vargas L, Umadevi S, et al. Discotic liquid crystal-functionalized gold nanorods: 2-and 3D self-assembly and macroscopic alignment as well as increased charge carrier mobility in hexagonal columnar liquid crystal hosts affected by molecular packing and π-π interactions. Adv Funct Mater. 2015;25:1180–1192.
   Web of Science ®Google Scholar
• Lemaur V, Filho D, Coropceanu V, et al. Charge transport properties in discotic liquid crystals: a quantum-chemical insight into structure-property relationships. J Am Chem Soc. 2004;126:3271–3279.
   PubMed Web of Science ®Google Scholar
• Bisoyi HK, Kumar S. Discotic nematic liquid crystals: science and technology. Chem Soc Rev. 2010;39:264–285.
   PubMed Web of Science ®Google Scholar
• Bock H, Helfrich W. Ferroelectrically switchable columnar liquid crystal. Liq Cryst. 1992;12:697–703.
   Web of Science ®Google Scholar
• Spiess HW. Improving organisation of discotics: annealing, shape, side groups, chirality. Liq Cryst. 2020;47:1880–1885.
   Web of Science ®Google Scholar
• Taing H, Rothera JG, Binder JF, et al. 1, 3, 5-triazine (trithiophenylcarboxylate) esters form metastable monotropic nematic discotic liquid crystal phases. Liq Cryst. 2018;45:1147–1154.
   Web of Science ®Google Scholar
• Wöhrle T, Wurzbach I, Kirres J, et al. Discotic liquid crystals. Chem Rev. 2016;116:1139–1241.
   PubMed Web of Science ®Google Scholar
• Gupta M, Pal SK. The first examples of room temperature liquid crystal dimers based on cholesterol and pentaalkynylbenzene. Liq Cryst. 2015;42:1250–1256.
   Web of Science ®Google Scholar
• Ebert M, Jungbauer DA, Kleppinger R, et al. Structural and dynamic properties of a new type of discotic nematic compounds. Liq Cryst. 1989;4:53–67.
   Web of Science ®Google Scholar
• Kumar S, Varshney SK. A room-temperature discotic nematic liquid crystal. Angew Chem Int Ed. 2000;39:3140–3142.
   PubMed Web of Science ®Google Scholar
• Janietz D. Structure formation control of disc-shaped molecules. Mol Cryst Liq Cryst. 2003;396:251–264.
   Web of Science ®Google Scholar
• Gupta M, Pal SK. Structure-property relationships in lath-shaped triads based on multialkynylbenzene. Liq Cryst. 2018;45:1279–1286.
   Web of Science ®Google Scholar
• Gupta M, Bala I, Pal SK. A room temperature discotic mesogenic dyad based-on triphenylene and pentaalkynylbenzene. Tetrahedron Lett. 2014;55:5836–5840.
   Web of Science ®Google Scholar
• Frein S, Boudon J, Vonlanthen M, et al. Liquid-crystalline thiol-and disulfide-based dendrimers for the functionalization of gold nanoparticles. Helv Chim Acta. 2008;91:2321–2337.
   Web of Science ®Google Scholar
• Gupta M, Mohapatra SS, Dhara S, et al. Supramolecular self-assembly of thiol functionalized pentaalkynylbenzene-decorated gold nanoparticles exhibiting a room temperature discotic nematic liquid crystal phase. J Mater Chem C. 2018;6:2303–2310.
   Web of Science ®Google Scholar
• Apreutesei D, Mehl GH. Completely miscible disc and rod shaped molecules in the nematic phase. Chem Commun. 2006;6:609–611.
   Web of Science ®Google Scholar
• Turcu I, Zarafu I, Popa M, et al. Lipoic acid gold nanoparticles functionalized with organic compounds as bioactive materials. Nanomaterials. 2017;7:43.
   Web of Science ®Google Scholar
• Held GA, Kosbar LL, Dierking I, et al. Confocal microscopy study of texture transitions in a polymer stabilized cholesteric liquid crystal. Phys Rev Lett. 1997;79:3443.
   Web of Science ®Google Scholar
• Gottarelli G, Lena S, Masiero S, et al. The use of circular dichroism spectroscopy for studying the chiral molecular self-assembly: an overview. Chirality. 2008;20:471–485.
   PubMed Web of Science ®Google Scholar
• Dierking I. Textures of liquid crystals. John Wiley & Sons; 2003.
   Google Scholar
• Cseh L, Mehl GH. The design and investigation of room temperature thermotropic nematic gold nanoparticles. J Am Chem Soc. 2006;128:13376–13377.
   PubMed Web of Science ®Google Scholar
• Kouwer PHJ, Welch CJ, McRobbie G, et al. Mixtures of disc-shaped and rod-shaped mesogens with chiral components. J Mater Chem. 2004;14:1798–1803.
   Web of Science ®Google Scholar
• Schreivogel A, Dawin U, Baro A, et al. Chiral tetraphenylethenes as novel dopants for calamitic and discotic liquid crystals. J Phys Org Chem. 2009;22:484–494.
   Web of Science ®Google Scholar