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Two new nonsymmetrical mesogenic homologous series of terminal substituent ether
(series [Vn]) and carboxy (series [VIn]) incorporating azobenzene and 1,3,4-oxadiazole
group were synthesized. Both series have been All compounds thus isolated were purified and characterized by elemental analysis, Fourier Transform Infrared Spectroscopy,
1H NMR, along with thermal analysis and texture observation using Differential Scanning Calorimetry (DSC) and Polarizing Optical Microscopy (POM), respectively. All
compounds of the first series exhibited liquid crystalline properties. The homologues
[V1]-[V3] display a nematic mesophase, the compounds [V4]-[V7] exhibit a dimorphism
behavior, nematic (N) and smectic A (SmA) mesophases, the compounds [V8] and
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