Journal
POLYHEDRON
Volume 137, Issue -, Pages 176-181Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.poly.2017.08.014
Keywords
Bisthiourea; Sulfur donor; Silver complex; Gold complex; Reduction of Au3+
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Funding
- National Natural Science Foundation of China [21571190, 51474253]
- National Basic Research Pro-gram of China (973 program) [2014CB643403]
- National High Technology Research and Development Program of China (863 program) [2013AA064101]
- Hunan Provincial Science and Technology Plan Project [2016TP1007]
- Project of Innovation-driven Plan in Central South University [2015CXS004]
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N,N'-diisobutyloxycarbonyl-N '',N'-(1,3-propylene)-bisthiourea (L) and its silver(I) and gold(I) complexes were designed and synthesized. Treatment of 1,3-propanediamine with the isothiocyanate (PrCH2OC)-Pr-i(O) NCS yielded bisthiourea L with over 90% yield. Treatment of L with AgNO3 in CH3CN afforded coordination polymer {[Ag(L)(NO3)center dot CH3CN]}(n) (1) with layer structure, while with HAuCl4 in CH3CN resulted in reduction of Au3+ to Au+ to yield molecular [Au(L)Cl] (2). Ligand Land complexes 1 and 2 were fully characterized by IR, H-1 NMR, UV-Vis, cyclic voltammetry and element analysis. The X-ray diffraction analysis displays that the bisthiourea L behaves as sulfur donor to coordinate to Ag and Au atom with mu(3)-(S, mu(2)-S' S') and mu(2)-S, S' coordination mode in 1 and 2, respectively. (C) 2017 Elsevier Ltd. All rights reserved.
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