ABSTRACT
The synthesis and mesomorphic properties of new series of bent-shaped liquid crystals are presented. The properties of the materials were tuned by the character of the lateral substituent in position 4 of the central aromatic ring and length of terminal alkyl chains. Further modification of physical properties was achieved by the introduction of an additional ester unit in the terminal alkyl chain. The physical properties of the studied materials were determined by differential scanning calorimetry, polarising optical microscopy and for selected compounds by x-ray diffraction. The influence of structural changes as well as the orientation of ester linkages (in comparison with previously described materials) is discussed. The addition of the fifth ester unit into the structure of the studied compounds leads to significant changes in their mesomorphic behaviour.
GRAPHICAL ABSTRACT
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Disclosure statement
No potential conflict of interest was reported by the authors.