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Synthesis and mesomorphic evaluation of new calamitic liquid crystals containing benzothiazole core |
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| Authors: | Teck Ming Koh Sie Tiong Ha Teck Leong Leec Siew Ling Leed Guan Yeow Yeape Hong Cheu Linf Ramesh T.Subramaniamg a |
| Affiliation: | Teck Ming Koh~(a,b),Sie Tiong Ha~(c,*),Teck Leong Lee~c,Siew Ling Lee~d,Guan Yeow Yeap~e,Hong Cheu Lin~f,Ramesh T.Subramaniam~g a Department of Science,Faculty of Engineering & Science,Universiti Tunku Abdul Rahman.Jln Genting Klang.Setapak. 53300 Kuala Lumpur,Malaysia b Department of Chemistry,National University of Singapore,Singapore 117543,Singapore c Department of Chemical Science,Faculty of Science,Universiti Tunku Abdul Rahman,Jln Universiti,Bandar Barat,31900 Kampar,Perak,Malaysia d Ibnu Sina Inst... |
| Abstract: | The design and synthesis of new calamitic benzothiazole-based liquid crystals,2-[4-(4-alkyloxybenzoyloxy)-phenyl]ben-zothiazoles are presented.The target compound was characterized using spectroscopic techniques,such as FT-IR,NMR(~1H and ~(13)C),microanalysis and EI-MS.The liquid crystalline behaviours of these compounds were thoroughly examined by differential scanning calorimetry and polarizing optical microscope techniques.These materials exhibited enantiotropic nematic phase with high thermal stability(... |
| Keywords: | Benzothiazole Alkoxy chain Nematic Smectic A Liquid crystal |
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