New liquid crystals derived from thiophene connected to the 1,2,4-oxadiazole heterocycle |
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| Authors: | Edivandro Girotto Ivan H. Bechtold |
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| Affiliation: | 1. Departamento de Química, Universidade Federal de Santa Catarina, Florianópolis, Brazil;2. Departamento de Física, Universidade Federal de Santa Catarina, Florianópolis, Brazil |
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| Abstract: | In this study, eight new compounds derived from thiophene were synthesised and characterised. The four symmetrical compounds contain two heterocyclic 1,2,4- oxadiazole on each side of the 2,5-disubstituted thiophene, and the four non-symmetrical compounds contain alkyne groups as a spacer replacing one of these heterocycles. Some of the compounds presented liquid crystalline properties with smectic and nematic mesophases. The non-symmetrical compounds presented low emission of blue light. |
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| Keywords: | 1,2,4-oxadiazole thiophene liquid crystal |
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