Liquid-crystalline properties of unsaturated piperazine-2,5-dione derivatives

Helvetica Chimica Acta

Volumn 82, Issue 9, 1999, Pages 1400-1407

  Li, Wen Ren ^a   Kao, Kwo Cheng ^a   Yo, Ying Chih ^a   Lai, Chung K ^a  

^a NATIONAL CENTRAL UNIVERSITY   (Taiwan)

Author keywords

[No Author keywords available]

Indexed keywords

3,6 BIS(3,4 DIALKOXYBENZYLIDENE)PIPERAZIN 2,5 DIONE; BENZALDEHYDE; PIPERAZINE DERIVATIVE; UNCLASSIFIED DRUG;

ARTICLE; CARBON NUCLEAR MAGNETIC RESONANCE; CHEMICAL REACTION; CRYSTAL STRUCTURE; HYDROGEN BOND; POLARIZATION MICROSCOPY; POLYMERIZATION; PROTON NUCLEAR MAGNETIC RESONANCE; SYNTHESIS; X RAY POWDER DIFFRACTION;

EID: 0032847389     PISSN: 0018019X     EISSN: None     Source Type: Journal    
DOI: 10.1002/(SICI)1522-2675(19990908)82:9<1400::AID-HLCA1400>3.0.CO;2-0     Document Type: Article

References (20)

1. P. G. de Gennes, J. Prost, 'The Physics of Liquid Crystals', Clarendon Press, Oxford, 1993;
2. b) D. Demus, Liq. Cryst. 1989, 5, 75;
3. c) G. Verlogen, W. H. de Jeu, 'Thermotropic Liquid Crystals: Fundamentals', Springer, Berlin, 1988:
4. d) G. W. Gray, in 'Advances in Liquid Crystals', Ed. G. H. Brown, Academic Press, London, 1976, Vol. 1.
5. a) L. S. Konstantinova, O. A. Rakitin, C. W. Rees, L. I. Souvorova, T. Torroba, A. J. P. White, D. J. Williams, Chem. Commun. 1999, 73;
6. b) A. Mallia, M. George, S. Das, Chem. Mater. 1999, 11, 207;
7. c) E. Bialecka-Florjanczyk, A. Orzeszko, I. Sledzinska, E. Gorecka, J. Mater. Chem. 1999, 9, 381;
8. d) H. C. Lin, C. W. Ko, K. Guo, T. W. Cheng, Liq. Cryst. 1999, 26, 613;
9. e) J. Belmar, M. Parra, C. Zuniga, C. Perez, C. Munoz, A. Omenat, J. L. Serrano, Liq. Cryst. 1999, 26, 389;
10. f) J. Belmar, M. Parra, C. Zuniga, G. Fuentes, M. Marcos, J. L. Serrano, Liq. Cryst. 1999, 26, 9.
11. L. L. Lai, C. H. Wang, W. P. Hsieh, H. C. Lin, Mol. Cryst. Liq. Cryst. 1996, 287, 177.
12. a) S. Rajappa, M. V. Natekar, in 'Advances in Heterocyclic Chemistry', Ed. A. Katritzky, Academic Press, New York, 1993, Vol. 57, pp. 187-289;
13. b) D. T. Witiak, Y. Wei, Progress in Drug Research-Fortschritte der Arzneimittel-Forschung 1990, 35, 249.
14. a) C. K. Lai, C. H. Chang, C. H. Tsai, J. Mater. Chem. 1998, 8, 599;
15. b) C. K. Lai, F. G. Chen, Y. J. Ku, C. H. Tsai, R. Lin, J. Chem. Soc., Dalton, Trans. 1997, 4683;
16. c) C. K. Lai, F. J. Lin, J. Chem. Soc., Dalton Trans. 1997, 17;
17. d) C. K. Lai, C. H. Tsai, Y. S. Pang, J. Mater. Chem. 1998, 8, 1355.
18. a) C. Shin, M. Hayakawa, H. Kato, K. Mikami, J. Yoshimura, J. Chem. Soc., Perkins Trans. 1, 1980, 419;
19. b) K. W. Blake, P. G. Sammes, J. Chem. Soc., Chem. Commun. 1970, 980.
20. T. C. Cheam, S, Krimm, Spectrochim. Acta, Part A 1984, 40A, 481.