Abstract
Supramolecular systems based on tetracationic pyrimidine-containing surfactants of acyclic and macrocyclic structures with varying nature of the spacer were studied. The critical micelle concentrations (CMC) and the hydrodynamic diameter of aggregates were determined, and the packing of molecules in the surface layer was analyzed. Insignificant differences in the CMC with variation in the nature of the spacer and in the transition from acyclic to macrocyclic surfactants suggest elimination of the structural factor in the self-organization of the investigated compounds. The molecular packing is shown to change greatly in the transition from monomeric pyrimidinophane to oligomeric tetracationic amphiphiles.
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Original Russian Text © 2014 D. R. Gabdrakhmanov, F. G. Valeeva, A. E. Nikolaev, R. Kh. Giniyatullin, V. E. Semenov, V. S. Reznik, L. Ya. Zakharova.
Zhurnal Strukturnoi Khimii, Vol. 55, Supplement 2, pp. S368–S374, 2014.
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Gabdrakhmanov, D.R., Valeeva, F.G., Nikolaev, A.E. et al. Self-organization of oligomeric amphiphiles with pyrimidine moieties: The role of the structural factor. J Struct Chem 55, 1548–1555 (2014). https://doi.org/10.1134/S0022476614080241
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DOI: https://doi.org/10.1134/S0022476614080241