Copper 2,9(10),16(17),23(24)-and 1,8(11),15(18),22(25)-tetra-(4-carboxyphenoxy)phthalocyanines and their esters: The synthesis and liquid-crystalline properties |
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| Authors: | E. V. Kudrik A. I. Smirnova V. E. Maizlish T. V. Tararykina G. P. Shaposhnikov N. V. Usol’tseva |
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| Affiliation: | (1) Ivanovo State University of Chemistry and Technology, 7 prosp. F. Engel’sa, 153000 Ivanovo, Russian Federation;(2) Ivanovo State University, 39 ul. Ermaka, 153025 Ivanovo, Russian Federation |
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| Abstract: | Copper 2,9(10),16(17),23(24)-and 1,8(11),15(18),22(25)-tetra(4-carboxyphenoxy)phthalocyanines and their carboxylic esters were synthesized and their spectral characteristics and liquid-crystalline properties were studied. 2,9(10),16(17),23(24)-Tetrasubstituted complexes exhibit both thermotropic and lyotropic mesomorphism in mixtures with a number of organic solvents. Published in Russian in Izvestiya Akademii Nauk. Seriya Khimicheskaya, No. 6, pp. 991–1000, June, 2006. |
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| Keywords: | phthalocyanines mesogen mesophase lyotropic mesomorphism amphotropy liquid crystals |
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