Nihat AKKURT, Mohammed Hadı Alı AL-JUMAILI, Hale OCAK, Fatih ÇAKAR, Lokman TORUN

149119

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

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

Anahtar Kelimeler:

Triazine, ionic liquid crystals, hydrogen bonding, star-shaped triazine, Sonogashira coupling

Turkish Journal of Chemistry-Cover

ISSN: 1300-0527
Yayın Aralığı: 6
Yayıncı: TÜBİTAK

Arşiv

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