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Synthesis and Mesomorphic Evaluation of New Calamitic Liquid Crystals Containing Benzothiazole Core by Teck Ming Koh; Sie Tiong Ha; Teck Leong Lee; Siew Ling Lee; Guan Yeow Yeap; Hong Cheu Lin; Ramesh T. Subramaniam is a Chemistry article available to read on EtoBox.
What is Synthesis and Mesomorphic Evaluation of New Calamitic Liquid Crystals Containing Benzothiazole Core about?
The design and synthesis of new calamitic benzothiazole-based liquid crystals, 2-[4-(4-alkyloxybenzoyloxy)-phenyl]benzothiazoles are presented. The target compound was characterized using spectroscopic techniques, such as FT-IR, NMR ( 1 H 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 (>168 8C). Smectic A phase starts to emerge as monotropic (metastable) phase from C10 member and changes into enantiotropic (stable) phase from C12 and persists up to C16 members.
Who reads Synthesis and Mesomorphic Evaluation of New Calamitic Liquid Crystals Containing Benzothiazole Core?
It is typically read by researchers, students, and practitioners in Chemistry.
- Author
- Teck Ming Koh; Sie Tiong Ha; Teck Leong Lee; Siew Ling Lee; Guan Yeow Yeap; Hong Cheu Lin; Ramesh T. Subramaniam
- Publisher
- Chinese Electronic Periodical Services; Elsevier ; Elsevier BV (ISSN 1001-8417)
- Published
- 2011
- Language
- EN
- Field
- Chemistry (Physical Sciences)