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Zhidk. krist. ikh prakt. ispol'z. = Liq. Cryst. and their Appl., 2011, 2, 36—41.
Synthesis and Liquid Crystalline Properties of 4-n-Alkoxycynnamic Acids
N. V. Bumbina, O. B. Akopova, N. V. Usol'tseva
Author affiliations Ivanovo State University, Nanomaterials Research Institute
153025 Ivanovo, Ermak Str., 39. E-mail: email@example.com
Abstract 4-Alkoxybenzaldehydes were obtained by alkylation of 4-oxybenzaldehyde with bromoalkanes. They were condensed with malonic acid to form four 4-n-alkoxycynnamic acids. In this case the fourteenth homologue was synthesized for the first time. Liquid crystalline properties of these acids have been studied using optical polarizing microscopy. It was established, that the obtained compounds show enantiotropic mesomorphism of the smectic type (SmC).