532983-93-0Relevant academic research and scientific papers
Synthesis and mesomorphic properties of 2-(4-Alkyloxyphenyl)benzothiazoles
Ha, Sie-Tiong,Koh, Teck-Ming,Yeap, Guan-Yeow,Lin, Hong-Cheu,Boey, Peng-Lim,Win, Yip-Foo,Ong, Siew-Teng,Ong, Lay-Khoon
, p. 56 - 70 (2009)
A homologous series of 2-(4-alkyloxyphenyl)benzothiazoles with an even number of carbons in the terminal alkoxyl chain was synthesized and characterized. The structure of the compounds was postulated using elemental analyses, FT-IR, NMR, and mass spectrometry techniques. Their liquid crystalline properties have been investigated by optical polarizing microscopy, DSC, and X-ray diffraction (XRD) techniques. Whilst the n-octyloxy to n-hexadecyloxy derivatives exhibited a monotropic smectic A phase, the n-ethoxy to n-hexyloxy and the n-octadecyloxy derivatives were not mesogenic. The mesomorphic properties of the present series were compared with other structurally related series to establish the chemical structure-mesomorphic properties relationship. Taylor & Francis Group, LLC.
