Issue 4, 2012

Thiophosphorylated bis-thioureas for competitive bulk liquid membrane transport of some metal ions

Abstract

Eight N-thiophosphorylated bis-thioureas of the common formula Z[NHC(S)NHP(S)(OiPr)2]2 [Z = ∅ (1), 1,2-C6H4 (2), 1,3-C6H4 (3), 1,4-C6H4 (4), CH2(1,4-C6H4)2 (5), O(1,4-C6H4)2 (6), S(1,4-C6H4)2 (7), CH2(1,4-C6H10)2 (8)] have been synthesized and characterized by NMR spectroscopy and elemental analysis. Molecular structures of 3, 4, 5·0.5C66H1414, 6·CH22Cl22 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.

Graphical abstract: Thiophosphorylated bis-thioureas for competitive bulk liquid membrane transport of some metal ions

Supplementary files

Article information

Article type
Paper
Submitted
21 Sep 2011
Accepted
31 Oct 2011
First published
02 Dec 2011

CrystEngComm, 2012,14, 1324-1329

Thiophosphorylated bis-thioureas for competitive bulk liquid membrane transport of some metal ions

M. G. Babashkina, D. A. Safin, K. Robeyns, A. Brzuszkiewicz, H. Kozlowski and Y. Garcia, CrystEngComm, 2012, 14, 1324 DOI: 10.1039/C1CE06244A

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