Fatih ÇAKAR, Nihat AKKURT, Mohammed Hadi Ali AL-JUMAILI, Hale OCAK, Lokman TORUN

Synthesis and liquid crystalline properties of new triazine-based π-conjugated macromolecules with chiral side groups

In this study, we reported the synthesis of a new tribranched macromolecule liquid crystal with triazine in thecentre. The central triazine core is bonded via sequences of Sonigashira coupling to 3 triazine unites through acetylenicbridges. The triazines at the periphery are substituted with 2 chiral citronellyloxy side groups. The salt of the resultingstar-shaped macromolecule, which was oily at room temperature, with 4-dodecyloxybenzoic acid at 1:1 ratio exhibited aSmectic C (SmC) mesophase. The liquid crystalline properties of organic salt were investigated using DSC (differentialscanning calorimetry) and POM (polarizing optical microscopy).

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