Browsing by Author "Kunbo, Kenji"

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Mesomorphic behavior of new benzothiazole liquid crystals having Schiff base linker and terminal methyl group
(2012-07-01)
Ha, Sie Tiong
;
Foo, Kok Leei
;
Lin, Hong Cheu
;
Ito, Masato M.
;
Abe, Kazuma
"A homologous series of heterocycles, 6-methyl-2-(4-alkoxybenzylidenamino)benzothiazoles, were synthesized and characterized using FT-IR, H-1 and C-13 NMR and mass spectrometric analysis. Enantiotropic nematic phase was observed for shorter members. Smectic A phase only emerged from octyloxy derivative onwards. The terminal methyl group at the benzothiazole fragment and the Schiff base linkage influenced the mesomorphic behavior of the present series. (C) 2012 Sie Tiong Ha. Published by Elsevier B.V. on behalf of Chinese Chemical Society. All rights reserved."