Bulletin of the Korean Chemical Society

  • 제6권1호
  • /
  • Pages.40-45
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  • 1985
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  • 0253-2964(pISSN)
  • /
  • 1229-5949(eISSN)
대한화학회 (Korean Chemical Society)
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Synthesis and Properties of Thermotropic Compounds with Two Terminal Mesogenic Units and a Central Spacer (Ⅵ). Homologous Series of $\alpha,\;\omega$-Bis[4-(p-substituted benzoyloxy)benzoyloxy]alkanes$^*$

  • Jin, Jung-Il (Department of Chemistry, College of Sciences, Korea University) ;
  • Seong, Churl-Min (Department of Chemistry, College of Sciences, Korea University) ;
  • Jo Byung-Wook (Department of Chemical Engineering. Chosun University.)
  • 발행 : 1985.02.20
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초록

The thermal and optical properties of two new series of thermotropic, liquid crystalline compounds were studied by differential scanning calorimetry and on the hot-stage of a polarizing microscope. The first series contained two identical mesogenic units, 4-(p-phenylbenzoyloxy) benzoate moieties, at both ends of the polymethylene spacer of varying lengths and the second series, mesogenic units with different substituents and the hexamethylene group as the central spacer. A thermodynamic analysis of the phase transitions of the compounds was made and the results were discussed in relation to their chemical structures.

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참고문헌

  1. Brit. Polym. J. v.12 J.-I. Jin;S. Antoun;C. Ober;R. W. Lenz
  2. Bull. Korean Chem. Soc. v.4 J.-I. Jin;Y.-S. Chung;C. Ober;R. W. Lenz
  3. Mol. Cryst. Liq. Cryst. v.110 J.-I. Jin;J.-H. Park
  4. Biochem. J. v.54 J. H. Wilkinson;W. E. Sprott;N. F. MacLagan
  5. J. Polym. Sci. Polym. Phys. Ed. v.19 A. C. Griffin;S. J. Havens
  6. Liquid Crystals and Plastic Crystals v.2 G. W. Gray(ed.);P. A. winsor(ed.)
  7. Trans. Faraday Soc. v.63 A. J. Herbert
  8. Liquid Crystals and Plastic Crystals v.2 G. W. Gray(ed.);P. A. winsor(ed.)
  9. Mol. Cryst. Liq. Cryst. v.22 J. P. Van Meter;B. H. Klanderman
  10. J. Polym. Sci., Polym. Chem. Ed. v.19 S. Antoun;R. W. Lenz;J.-I. Jin
  11. Polym. J. (Japan) v.14 no.1 C. Ober;J.-I. Jin;R. W. Lenz
  12. Europ. Polym. J. v.18 no.3 B.-W. Jo;J.-I. Jin;R. W. Lenz
  13. 65th Canadian Chemical Conference Thermotropic Polyesters Based on p-Hydroxybenzoic Acid C. Ober;R. W. Lenz;J.-I. Jin;E. Chiellini
  14. Liquid Crystals and Plastic Crystals v.1 G. W. Gray(ed.);P. A. Winsor(ed.)
  15. The Molecular Physics of Liquid Crystals G. R. Luckhurst(ed.);G. W. Gray(ed.)
  16. Mh. Chem. v.9 F. Reinitzer
  17. Mol. Cryst. Liq. Cryst. Letters v.82 J.-I. Jin;Y.-S. Chung;J.-S. Kang;R. W. Lenz

피인용 문헌

  1. Synthesis and Thermotropic Properties of Dimesogenic Homologous Series Containing Disiloxyl Spacer, DI-4- (P-Substituted Phenoxycarbonyl) Phenoxymethyl Tetramethyl Disiloxanes vol.157, pp.1, 1985, https://doi.org/10.1080/00268948808080225
  2. Liquid-crystalline behaviour of some carboxylic acids vol.31, pp.1, 1985, https://doi.org/10.1007/bf00298762
  3. H-shaped dimeric LC compounds: synthesis and thermotropic properties of alpha, omega -bis\[2,5-bis(4-ethoxyphenoxycarbonyl)phenoxy]alkanes vol.25, pp.3, 1985, https://doi.org/10.1080/026782998206074
  4. Liquid Crystalline Properties of Dimesogenic Compounds Consisting of Two Different Azobenzene Types of Mesogens Interlinked Through Central Polymethylene Spacers vol.309, pp.1, 1985, https://doi.org/10.1080/10587259808045523
  5. Synthesis and liquid crystalline properties of new 1,6-bis[2,5-bis(4-alkoxyphenoxycarbonyl)phenoxy] hexanes H-shaped twin compounds: a series of vol.26, pp.6, 1985, https://doi.org/10.1080/026782999204615
  6. Synthesis and liquid crystalline properties of T-shaped dimesogenic compounds vol.26, pp.11, 1985, https://doi.org/10.1080/02678292.1999.11509451
  7. Liquid crystalline dimeric compounds with an alkylene spacer vol.28, pp.5, 1985, https://doi.org/10.1080/02678290010025468
  8. Dimeric compounds containing malonic acid as the central linking unit: synthesis and mesomorphic properties vol.29, pp.9, 1985, https://doi.org/10.1080/02678290210155570
  9. Dimeric liquid crystalline compounds having a central malonic acid moiety: effect of the length of the spacers and terminal chains vol.30, pp.2, 2003, https://doi.org/10.1080/0267829021000047507