220
Views
12
CrossRef citations to date
0
Altmetric
Article

Preparation and properties of laterally multifluorinated benzoxazole-based nematic mesogens

, , , , , & show all
Pages 1686-1694 | Received 12 Feb 2017, Accepted 13 Mar 2017, Published online: 27 Mar 2017

References

  • Lai CK, Liu H-C, Li F-J, et al. Heterocyclic benzoxazole-based liquid crystals. Liq Cryst. 2005;32:85–94.
  • Majumdar KC, Ghosh T, Rao DSS, et al. 2-Phenylbenzoxazole-containing calamitic liquid crystals: synthesis and characterization. Liq Cryst. 2011;38:625–632.
  • Wang C-S, Wang I-W, Cheng K-L, et al. The effect of polar substituents on the heterocyclic benzoxazoles. Tetrahedron. 2006;62:9383–9392.
  • Xu Y, Chen X, Zhao F, et al. Synthesis and properties of substituted benzoxazole- terminated liquid crystals. Liq Cryst. 2013;40:197–215.
  • Xu Y, Hu K, Chen P, et al. Synthesis and properties of mesogenic laterally fluorinated compounds containing benzoxazole unit. Liq Cryst. 2014;41:1042–1056.
  • Majumdar KC, Ghosh T, Shyam PK. Ferrocene-based novel calamitic metallomesogens containing a 2-phenylbenzoxazole unit: synthesis and characterization. Liq Cryst. 2011;38:567–573.
  • Wang H-C, Wang Y-J, Hu H-M, et al. Novel metallomesogens derived from heterocyclic benzoxazoles. Tetrahedron. 2008;64:4939–4948.
  • Chen C-J, Wang I-W, Sheu H-S, et al. Metallomesogens derived from benzoxazoles– salicylaldimine conjugates. Tetrahedron. 2011;67:8120–8130.
  • Majumdar KC, Ghosh T, Rao DSS, et al. Unsymmetrical tetracatenar liquid crystals containing 2-phenylbenzoxazole: synthesis and characterisation. Liq Cryst. 2013;40:305–313.
  • Hu K, Chen P, Weng Q, et al. Improved mesophase stability of benzoxazole derivatives via dipole moment modification. Liq Cryst. 2015;42:1643–1653.
  • Collings PJ, Hird M, editors. Introduction to liquid crystals: chemistry and physics. Bristol (PA): Taylor & Francis; 1998.
  • Mandle RJ, Goodby JW. Designing principles and synthesis of materials for nematic liquid crystals. Handbook Liq Cryst (2nd Edition). 2014;3:63–101.
  • Bremer M, Kirsch P, Melanie K-M, et al. The TV in your pocket: development of liquid-crystal materials for the new millennium. Angew Chem Int Ed. 2013;52:8880–8896.
  • Hird M. Fluorinated liquid crystals–properties and applications. Chem Soc Rev. 2007;36:2070–2095.
  • Sun G, Chen B, Tang H, et al. Synthesis and physical properties of laterally fluorinated liquid crystals containing 1,3,2-dioxaborinane and cyclohexyl units. Liq Cryst. 2004;31:1151–1158.
  • Matharu AS, Cowling SJ, Wright G. Laterally fluorinated liquid crystals containing the 2,2ʹ-bithiophene moiety. Liq Cryst. 2007;34:489–506.
  • Shanker G, Nagaraj M, Kocot A, et al. Nematic phases in 1,2,4-oxadiazole -based bent-core liquid crystals: is there a ferroelectric switching? Adv Funct Mater. 2012;22:1671–1683.
  • Thaker BT, Patel P. Synthesis, mesophase behavior and thermal stability of liquid crystals based on different central linkages with lateral substitution and terminal heterocyclic moieties. Mol Cryst Liq Cryst. 2009;509:915–927.
  • Shi D, Hu K, Chen P, et al. Improved nematic mesophase stability of benzoxazole-liquid crystals via modification of inter-ring twist angle of biphenyl unit. Liq Cryst. 2016;43:1397–1407.
  • Shi D, Hu K, Chen P, et al. Nematic mesophase enhanced via lateral monofluorine substitution on benzoxazole-liquid crystals. Liq Cryst. 2016;43:1341–1350.
  • Imrie CT, Taylor L. The preparation and properties of low molar mass liquid-crystals possessing lateral alkyl chains. Liq Cryst. 1989;6:1–10.
  • Henderson PA, Niemeyer O, Imrie CT. Methylenelinked liquid crystal dimers. Liq Cryst. 2001;28:463–472.
  • Chan T-N, Lu Z, Yam W-S, et al. Non-symmetric liquid crystal dimers containing an isoflavone moiety. Liq Cryst. 2012;39:393–402.
  • Lee H-C, Lu Z, Henderson PA, et al. Cholesteryl based liquid crystal dimers containing a sulfur-sulfur link in the flexible spacer. Liq Cryst. 2012;39:259–268.
  • Goodby JW, Mandle RJ, Davis EJ, et al. What makes a liquid crystal? The effect of free volume on soft matter. Liq Cryst. 2015;42:593–622.
  • Yeap G-Y, Osman F, Imrie CT. Non-symmetric dimers: effects of varying the mesogenic linking unit and terminal substituent. Liq Cryst. 2015;42:543–554.
  • Lu Z, Henderson PA, Paterson BJA, et al. Liquid crystal dimers and the twist-bend nematic phase. The preparation and characterisation of the α,ω-bis(4-cyanobiphenyl-4ʹ-yl) alkanedioates. Liq Cryst. 2014;41:471–483.

Reprints and Corporate Permissions

Please note: Selecting permissions does not provide access to the full text of the article, please see our help page How do I view content?

To request a reprint or corporate permissions for this article, please click on the relevant link below:

Academic Permissions

Please note: Selecting permissions does not provide access to the full text of the article, please see our help page How do I view content?

Obtain permissions instantly via Rightslink by clicking on the button below:

If you are unable to obtain permissions via Rightslink, please complete and submit this Permissions form. For more information, please visit our Permissions help page.