Abstract
The reactivity of phosphorus esters with different hydrophobicities was studied in aqueous solutions of cationic surfactants containing an uracil residue, as well as in binary systems based on polyethylenimine. Pronounced substrate specificity was revealed in all supramolecular systems examined; in particular, acceleration of the hydrolysis of more hydrophobic substrate and inhibition of the reaction with less hydrophobic analog were observed. Aggregation in the examined systems was confirmed by tensiometric and conductometric measurements. The aggregation threshold considerably decreased in going from monocationic amphiphile to more hydrophobic dicationic analog due to the presence in the latter of two additional alkyl radicals.
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Original Russian Text © D.R. Gabdrakhmanov, F.G. Valeeva, L.Ya. Zakharova, R.Kh. Giniyatullin, V.E. Semenov, V.S. Reznik, A.I. Konovalov, 2014, published in Zhurnal Organicheskoi Khimii, 2014, Vol. 50, No. 4, pp. 512–517.
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Gabdrakhmanov, D.R., Valeeva, F.G., Zakharova, L.Y. et al. Reactivity of phosphorus esters in supramolecular systems based on surfactants containing an uracil residue and polyethylenimine. Russ J Org Chem 50, 500–505 (2014). https://doi.org/10.1134/S1070428014040095
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DOI: https://doi.org/10.1134/S1070428014040095