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Biological Activity of Protic Ionic Liquids Based on Tris(2-hydroxyethyl)ammonium Salts and the Crystal Structure of Tris(2-hydroxyethyl)ammonium Malate

Authors
  • Kondratenko, Yu. A.1
  • Gurzhii, V. V.2
  • Panova, G. G.3
  • Anikina, L. M.3
  • Udalova, O. R.3
  • Krutikov, V. I.4
  • Ugolkov, V. L.1
  • Kochina, T. A.1
  • 1 Grebenshchikov Institute of Silicate Chemistry, Russian Academy of Sciences, St. Petersburg, 199034, Russia , St. Petersburg (Russia)
  • 2 Institute of Earth Sciences, St. Petersburg State University, St. Petersburg, 199034, Russia , St. Petersburg (Russia)
  • 3 Agrophysical Research Institute, St. Petersburg, 195220, Russia , St. Petersburg (Russia)
  • 4 St. Petersburg State Institute of Technology (Technical University), St. Petersburg, 190013, Russia , St. Petersburg (Russia)
Type
Published Article
Journal
Russian Journal of Inorganic Chemistry
Publisher
Pleiades Publishing
Publication Date
Sep 23, 2020
Volume
65
Issue
9
Pages
1407–1415
Identifiers
DOI: 10.1134/S0036023620090089
Source
Springer Nature
Keywords
License
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Abstract

AbstractThe antimicrobial and growth-stimulating activities of nine protic ionic liquids (PILs)—tris(2-hydroxyethyl)ammonium salts (protatranes) of cinnamic, benzoic, salicylic, oxalic, malonic, succinic, malic and citric acids—were investigated for the first time. It was found that tris(2-hydroxyethyl)ammonium salts of cinnamic, benzoic and malonic acids have a positive impact on seeds germination and growth characteristics of garden cress (Lepidium sativum L.) sprouts. All the investigated PILs exhibited selective activity against Staphylococcus aureus bacteria. PILs based on tris(2-hydroxyethyl)ammonium malate with the melting point of 41°C were isolated as crystals to perform a comparative study of the crystal structure by single-crystal X-ray diffraction. In contrast to cations in tris(2-hydroxyethyl)ammonium succinate, cations in malate have a tricyclic endo conformation that is most typical of tris(2-hydroxyethyl)ammonium salts.

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