Novel Discotic Boroxines: Synthesis and Mesomorphic Properties
AbstractA new synthetic approach to highly substituted triphenylboroxines 11 is described. Their mesomorphic properties were investigated by differential scanning calorimetry (DSC), polarizing optical microscopy (POM) and X-ray diffraction (SAXS, WAXS). The tris(3,4,5-trialkyloxy)phenyl functionalized derivatives 11b–e showed broad mesophases for a minimum alkyl chain length of C9. The phase widths ranged from 110 K to 77 K near room temperature, thus decreasing with enhanced alkyl chain lengths. Textures observed under POM indicated a columnar hexagonal (Colh) mesophase symmetry that was confirmed by X-ray diffraction experiments.
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Wöhrle, T.; Baro, A.; Laschat, S. Novel Discotic Boroxines: Synthesis and Mesomorphic Properties. Materials 2014, 7, 4045-4056.
Wöhrle T, Baro A, Laschat S. Novel Discotic Boroxines: Synthesis and Mesomorphic Properties. Materials. 2014; 7(5):4045-4056.Chicago/Turabian Style
Wöhrle, Tobias; Baro, Angelika; Laschat, Sabine. 2014. "Novel Discotic Boroxines: Synthesis and Mesomorphic Properties." Materials 7, no. 5: 4045-4056.