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15 October 1993 Enaminoketone mesogens having polar terminal groups
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Proceedings Volume 1845, Liquid and Solid State Crystals: Physics, Technology and Applications; (1993)
Event: Liquid and Solid State Crystals: Physics, Technology, and Applications, 1992, Zakopane, Poland
Homologous series of 4'-nitro- and 4'-cyano-derivatives of 1-(4'-alkoxyphenylamino)- 3-phenyl-1-propen-3-ones and a structurally similar series of 1-(4'- alkoxyphenylamino)-3-(4'-pyridyl-N-oxide)-1-propen-3-ones were synthesized and studied by DSC and optical methods. The compounds behave typically for strongly polar mesogens: the smectic Ad phase exists above a critical chain length and the re-entrant nematic phase is observed in the vicinity of the critical double point. For pyridyl N-oxides, a second-order SmAd - SmCd phase transition line is observed.
© (1993) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Adam Krowczynski, Wieslaw Pyzuk, Ewa Gorecka, and Jadwiga Szydlowska "Enaminoketone mesogens having polar terminal groups", Proc. SPIE 1845, Liquid and Solid State Crystals: Physics, Technology and Applications, (15 October 1993);

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