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Liquid Crystals and their Application
Russian Journal

Zhidkie kristally i ikh prakticheskoe ispol'zovanie

Жидкие кристаллы и их практическое использование

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Rus Eng


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Zhidk. krist. ikh prakt. ispol'z. = Liq. Cryst. and their Appl., 2014, 14 (1), 45—51.

Prognosis of Mesomorphism, Synthesis and Properties of Tetrakis-4-(1-benzotriazolyl)tetrakis-5-(4-triphenylmethylphenoxy) phthalocyanine of Copper

S. A. Znoiko1, N. V. Bumbina2 , O. B. Akopova2, N. V. Usol'tseva2, O. N. Zubkova1, G. P. Shaposhnikov1

Author affiliations
1Research Institute of Macroheterocyclic Сompounds, Ivanovo State University of Chemistry and Technology,
Sheremetievsky pr., 7, 153000 Ivanovo, Russia
2Nanomaterials Research Institute, Ivanovo State University
Ermak st., 39, 153025 Ivanovo, Russia. 

Modeling of molecules and prognosis of columnar mesomorphism for tetrakis-4-(1-benzotriazolyl)tetrakis-5-(4-triphenylmethylphenoxy)phthalocyanine and its copper complex was conducted. It was established that metal-free phthalocyanine is capable of forming mesophase. Ability of a copper complex to form mesophase decreases. With the purpose of checking the results of the prognosis tetrakis-4-(1-benzotriazolyl)tetrakis-5-(4-triphenylmethylphenoxy)phthalocyanine of copper was synthesized. The synthesis was carried out by boiling initial metal-free phthalocyanine with copper acetate in DMF. Mesomorphism of heterosubstituted phthalocyanines was investigated by thermopolarization microscopy. The results of the prognosis were verified by experimental data.

Keywords: prognosis of mesomorphism, discotic mesogens, synthesis, heterosubstituted phthalocya-nines, spectral properties, liquid-crystalline properties

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