Novel mesogenic benzoic acids with large branches I. Synthesis, liquid crystalline properties and crystal structure analyses of 3-(4-Subst.-benzyloxycarbonyl)-4-(4-n-octyloxybenzoyloxy)benzoic acids

Molecular Crystals and Liquid Crystals Science and Technology Section A: Molecular Crystals and Liquid Crystals

Volumn 275, Issue , 1996, Pages 75-90

  Weissflog, W ^a   Dietzmann, E ^a   Stutzer C ^a   Drewello, M ^b   Hoffmann, F ^b   Hartung, H ^b  

^a MAX PLANCK INSTITUTE OF MICROSTRUCTURE PHYSICS   (Germany)

^b MARTIN LUTHER UNIVERSITY HALLE WITTENBERG   (Germany)

Author keywords

Bulky branched mesogens; Crystal structure; Hydrogen bonded dimers; Liquid crystalline benzoic acids; Molecular structure

Indexed keywords

AROMATIC COMPOUNDS; CRYSTAL STRUCTURE; HYDROGEN BONDS; LIQUID CRYSTALS; MOLECULAR STRUCTURE; REFLECTION; SYNTHESIS (CHEMICAL); X RAY ANALYSIS;

BENZOYLOXYBENZOIC ACIDS; DIMERS; LENGTH TO BREATH RATIO; MESOGENS;

CARBOXYLIC ACIDS;

EID: 0029732944     PISSN: 1058725X     EISSN: None     Source Type: Journal    
DOI: 10.1080/10587259608034063     Document Type: Article

References (30)

1. D. Demus, H. Demus and H. Zaschke, Flüssige Kristalle in Tabellen, Deutscher Verlag für Grundstoffindustrie, Leipzig (1974); D. Demus and H. Zaschke, Flüssige Kristalle in Tabellen II, Deutscher Verlag für Grundstoffindustrie, Leipzig (1984).
2. D. Demus, H. Demus and H. Zaschke, Flüssige Kristalle in Tabellen, Deutscher Verlag für Grundstoffindustrie, Leipzig (1974); D. Demus and H. Zaschke, Flüssige Kristalle in Tabellen II, Deutscher Verlag für Grundstoffindustrie, Leipzig (1984).
3. W. Weissflog, H. Kresse and A. Kolbe, Z. Chem., 20, 259 (1980).
4. G. W. Gray, Molecular Structure and the Properties of Liquid Crystals, Academic Press, London and New York (1962).
5. K. Praefcke, B. Kohne, B. Gründogan, D. Singer, D. Demus, S. Diele, G. Pelzl and U. Bakowsky, Mol. Cryst. Liq. Cryst., 198, 393 (1991).
6. K. R. Irani, N. L. Phalnikar, N. Z. Patel, H. R. Chipalkati and K. S. Nargand, J. Univ. Bombay, 18, 5A, 1 (1950).
7. V. Percec and J. Heck, Polym. Bull., 25, 431 (1991).
8. H. Meier, E. Praß, G. Zerban and F. Kosteyn, Z. Naturforsch., 43b, 889 (1988).
9. S. Takenaka, H. Morita, S. Kusabayashi, Y. Masuda, M. Iwano and T. Ikemoto, Chem. Lett., 1559 (1988).
10. S. Takenaka, Y. Masuda, M. Iwano, H. Morita, S. Kusabayashi, H. Sigiura and T. Ikemoto, Mol. Cryst. Liq. Cryst., 168, 111 (1989).
11. V. Percec and J. Heck, J. Polym. Sci. Polym. Chem., 29, 591 (1991).
12. N. C. Maliszewskyi, P. A. Heiney, J. Y. Josefowicz, T. Plesnivy, H. Ringsdorf and P. Schuhmacher, Langmuir, in press.
13. W. Weissflog and D. Demus, Liq. Crystals, 3, 275 (1988).
14. W. Weissflog, R. Schlick and D. Demus, Z. Chem., 21, 452 (1981).
15. W. Weissflog and D. Demus, Cryst. Res. Technol., 19, 55 (1984).
16. W. Weissflog, D. Demus, S. Diele, P. Nitschke and W. Wedler, Liq. Crystals, 5, 111 (1989).
17. W. Wedler, D. Demus, H. Zaschke, K. Mohr, W. Schäfer and W. Weissflog, J. Mater. Chem., 1, 347 (1991).
18. W. Weissflog and C. Stützer, publication in preparation.
19. H. Kresse, A. Treybig, A. Kolbe and W. Weissflow, IEEE, in press.
20. Autorenkollektiv, Organikum, VEB Deutscher Verlag der Wissenschaften, 15. Auflage, p. 256, Berlin (1984).
21. J. Barry, G. Bram, G. Decodts, A. Loupy, C. Orange, A. Petit and J. Sansoulet, Synthesis, 40 (1985).
22. XP/PC, Molecular graphics program package for display and analysis of stereochemical data, Version 4.2 for MS-DOS, Siemens Analytical X-ray Instruments Inc., Madison, Wisconsin, USA (1990).
23. F. Hoffmann, H. Hartung, W. Weissflog, P. G. Jones and A. Chrapkowski, Mol. Cryst. Liq. Cryst., in press.
24. U. Baumeister, W. Brandt, H. Hartung and M. Jaskólski, J. Prakt. Chem., 325, 742 (1983).
25. F. H. Allen, O. Kennard, D. G. Watson, L. Brammer, A. G. Orpen and R. Taylor, J. Chem. Soc. Perkin Trans. II, S1 (1987).
26. A. Domenicano, Structural substituent effects in benzene derivatives, in: Accurate Molecular Structures, edited by A. Domenicano and I. Hargittai, Oxford University Press, Oxford (1992).
27. R. F. Bryan and P. Hartley, Mol. Cryst. Liq. Cryst., 62, 259 (1980).
28. A. Bondi, J. Phys. Chem., 68, 441 (1964).
29. G. M. Sheldrick, SHELXS-86, Acta Cryst., A46, 467 (1990).
30. G. M. Sheldrick, SHELXL-93, Program for the refinement of crystal structures, Univ. Göttigen (1993).