Thiophosphorylated bis-thioureas for competitive bulk liquid membrane transport of some metal ions
(2012) CrystEngComm — Vol. 14, n° 4, p. 1324-1329 (2012)
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- Eight N-thiophosphorylated bis-thioureas of the common formula Z[NHC(S)NHP(S)(OiPr) 2] 2 [Z = (1), 1,2-C 6H 4 (2), 1,3-C 6H 4 (3), 1,4-C 6H 4 (4), CH 2(1,4-C 6H 4) 2 (5), O(1,4-C 6H 4) 2 (6), S(1,4-C 6H 4) 2 (7), CH 2(1,4-C 6H 10) 2 (8)] have been synthesized and characterized by NMR spectroscopy and elemental analysis. Molecular structures of 3, 4, 5·0.5C 6H 14, 6·CH 2Cl 2 and 8 were elucidated by X-ray diffraction revealing two linear intramolecular hydrogen bonds. Their crystal structures are stabilized by four intermolecular hydrogen bonds, which in turn lead to a polymeric chain formation. Competitive transport experiments involving metal ions from an aqueous source phase through a chloroform membrane into an aqueous receiving phase have been carried out using 1-8 as the ionophore present in the organic phase. © 2012 The Royal Society of Chemistry.
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Babashkina, M. G., Safin, D., Robeyns, K., Brzuszkiewicz, A., Kozlowski, H., & Garcia, Y. (2012). Thiophosphorylated bis-thioureas for competitive bulk liquid membrane transport of some metal ions. CrystEngComm, 14(4), 1324-1329. https://doi.org/10.1039/c1ce06244a (Original work published 2012)