Lee, Siew Ling and Sie, Tiong Ha and Teck, Leong Lee and Yip, Foo Win and Guan, Yeow Yeap (2011) Synthesis and characterization of new thermotropic liquid crystals derived from 4-hydroxybenzaldehyde. World Academy of Science, Engineering and Technology, 5 (9). pp. 809-813. ISSN 2010-376X
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Official URL: https://publications.waset.org/15374/synthesis-and...
Abstract
A homologous series of aromatic esters, 4-nalkanoyloxybenzylidene- 4'-bromoanilines, nABBA, consisting of two 1,4-disubstituted phenyl cores and a Schiff base central linkage was synthesized. All the members can be differed by the number of carbon atoms at terminal alkanoyloxy chain (C nH 2n-1COO-, n = 2, 6, 18). The molecular structure of nABBA was confirmed with infrared spectroscopy, nuclear magnetic resonance (NMR) spectroscopy and electron-ionization mass (EI-MS) spectrometry. Mesomorphic properties were studied using differential scanning calorimetry and polarizing optical microscopy.
| Item Type: | Article |
|---|---|
| Uncontrolled Keywords: | liquid crystals, mesomorphic, schiff base, smectic |
| Subjects: | Q Science > QD Chemistry |
| Divisions: | Science |
| ID Code: | 29418 |
| Deposited By: | Yanti Mohd Shah |
| Deposited On: | 01 Apr 2013 05:50 |
| Last Modified: | 31 Jan 2022 08:41 |
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