A new mesogenic fluorene derivative: 2,7-bis(4-pentylphenyl)-9,9-diethyl-9H-fluorene

References

• Ali GQ, Tomi IHR. Synthesis and characterization of new mesogenic esters derived from 1,2,4-oxadiazole and study the effect of alkoxy chain length in their liquid crystalline properties. Liq Cryst. 2018;45(3):421–430.
   Web of Science ®Google Scholar
• Saha SK, Paul MK, Chandran A, et al. Low-temperature nematic phase in asymmetrical 1,3,4-oxadiazole bent-core liquid crystals possessing lateral methoxy group. Liq Cryst. 2017;44(11):1739–1750.
   Web of Science ®Google Scholar
• Lu L-Y, Kuo H-M, Sheu H-S, et al. Polarization effects in mesogenic isoxazoles and 1,3,4-oxadiazoles. Tetrahedron. 2014;70:5999–6011.
   Web of Science ®Google Scholar
• Girdziunaite D, Tschierske C, Novotna E, et al. New mesogenic 1,3,4-oxadiazole derivatives. Liq Cryst. 1991;10:397–407.
   Web of Science ®Google Scholar
• Li Y-L, Lee G-H, Lai CK. Mesogenic bis-heterocycles incorporating both pyrazole and isoxazoles. Tetrahedron. 2015;71:5296–5307.
   Web of Science ®Google Scholar
• Ovalle S, Westphal E, Gallardo H. Ionic liquid crystals with 1,2,3-triazole + tolane core and a pendant imidazolium unit: mesophases from one- to three-dimensional molecular organisation by the variation of alkoxy chains number and spacer length. Liq Cryst. 2018;45(6):942–952.
   Web of Science ®Google Scholar
• Tomi IHR, Al-Daraji AHR, Al-Qaisi ZHJ, et al. Novel bent-core mesogenic of 4-amino-triazole derivatives: synthesis, characterization and liquid crystalline study. Tetrahedron. 2016;72:4390–4399.
   Web of Science ®Google Scholar
• Benbayer C, Kheddam N, Saidi-Besbes S, et al. Synthesis and mesomorphic properties of novel [1,2,3]-triazole mesogenic based compounds. J Mol Struc. 2013;1034:22–28.
   Web of Science ®Google Scholar
• Centore R, Panunzi B, Roviello A, et al. Polymers containing substituted 2-phenyl-benzoxazole side-chain groups: synthesis and phase behavior. J Polymer Sci: Part A: Polymer Chem. 1996;34:3203–3211.
   Web of Science ®Google Scholar
• Caruso U, Centore R, Roviello A, et al. Synthesis and preliminary characterization of a new fully aromatic mesogenic polyester containing a 2-phenylbenzoxazole group. Macromolecules. 1992;25:2290–2293.
   Web of Science ®Google Scholar
• Hu G, Billa MR, Kitney SP, et al. Symmetrical carbazole-fluorene-carbazole nematic liquid crystals as electroluminescent organic semiconductors. Liq Cryst. 2018;45(7):965–979.
   Web of Science ®Google Scholar
• Hu G, Kitney SP, Kelly SM, et al. Novel liquid crystalline organic semiconducting oligomers incorporating N-heterocyclic carbazole moieties for fluorescent OLEDs. Liq Cryst. 2017;44(11):1632–1645.
   Web of Science ®Google Scholar
• Bao W, Billa MR, Kassireddy K, et al. Carbazole nematic liquid crystals. Liq Cryst. 2010;37(10):1289–1303.
   Web of Science ®Google Scholar
• Bradley DR, Chris LV, Nz L, et al. Fluoreno [4,3-c] fluorene: a closed-shell fully conjugated hydrocarbon. Org Lett. 2012;14:2426–2429.
   PubMed Web of Science ®Google Scholar
• Aldred MP, Eastwood AJ, Kelly SM, et al. Light-emitting fluorene photoreactive liquid crystals for organic electroluminescence. Chem Mater. 2004;16:4928–4936.
   Web of Science ®Google Scholar
• Redecker M, Bradley DDC, Baldwin KJ, et al. An investigation of the emission solvatochromism of a fluorene-triarylamine copolymer studied by time resolved spectroscopy. J Mater Chem. 1999;9:2151.
   Web of Science ®Google Scholar
• Davison IR, Hall DM, Sage I. Fluorene analogues of biphenyls: comparison of mesogenic behaviour. Mol Cryst Liq Cryst. 1985;129:17–35.
   Web of Science ®Google Scholar
• Boardman FH, Dunmur DA, Grossel MC, et al. Synthesis and liquid crystal phase behaviour of 2-(4-cyanophenyl)-7-n-alkylfluorenes: luminescent mesogens. Chem Lett. 2002;31:60–61.
   Web of Science ®Google Scholar
• Aguilera C, Sáez P, Morel M, et al. Bireactive calamitic liquid crystals derived from fluorene ester linkage. Liq.Cryst. 2007;34:1233–1242.
   Web of Science ®Google Scholar
• Morel M, Aguilera C, Jiménez V, et al. Synthesis and properties of new liquid crystals derivatives of 2,7-diethynyl-9,9-dihexylfluorene. Liq Cryst. 2012;39:847–856.
   Web of Science ®Google Scholar
• Bruker-Nonius SADABS. The Netherlands: Bruker-Nonius, Delft; 2002.
   Google Scholar
• Altomare A, Burla MC, Camalli M, et al. SIR97: a new tool for crystal structure determination and refinement. J Appl Crystallogr. 1999;32:115–119.
   Web of Science ®Google Scholar
• Sheldrick GM. Crystal structure refinement with SHELXL. Acta Crystallogr. 2015;C71:3–8.
   Google Scholar
• Farrugia LJ. WinGX and Ortep for Windows: an update. J Appl Crystallogr. 2012;45:849–854.
   Web of Science ®Google Scholar
• Macrae CF, Bruno IJ, Chisholm JA, et al. Mercury CSD 2.0 – new features for the visualization and investigation of crystal structures. J Appl Cryst. 2008;41:466–470.
   Web of Science ®Google Scholar
• Nardelli M. Parst: a system of fortran routines for calculating molecular structure parameters from results of crystal structure analyses. Comp Chem. 1983;7:95–98.
   Google Scholar
• Nardelli M. PARST95- an update to PARST: a system of Fortran routines for calculating molecular structure parameters from the results of crystal structure analyses. J Appl Cryst. 1995;28:659.
   Google Scholar
• Imrie CT. Laterally substituted dimeric liquid-crystals. Liq Cryst. 1989;6(4):391–396.
   Web of Science ®Google Scholar
• Akiyama M, Watanabe T, Kakihana M. Internal rotation of biphenyl in solution studied by IR and NMR spectra. J Phys Chem. 1986;90:1752–1755.
   Web of Science ®Google Scholar
• Groom CR, Bruno IJ, Lightfoot MP, et al. The Cambridge structural database. Acta Crystallogr. 2016;B72:171–179.
   Google Scholar
• CSD. 2018, version 5.39. CSD refcode: FEQNAR,OVAYAM, OVAYAM1, OVAYIU, OVAYIU01, TAHVOO, TURVAF, ZARGUX.
   Google Scholar
• Kitaigorodski AI. Molecular crystals and molecules. New York-London: Academic Press; 1973.
   Google Scholar