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| Author(s) |
Kushwah, N. P.; Jain, V. K.; Wadawale, A.; Zhidkova, O. B.; Starikova, Z. A.; Bregadze, V. I.
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The reactions of [M2Cl2(m-Cl)2(PMe2Ph)2] with
mercapto-o-carboranes in the presence of pyridine afforded mono-nuclear complexes of composition,
[MCl(SCb°R)(py)(PMe2Ph)] (M = Pd or Pt; Cb° = o-C2B10H10;
R = H or Ph). The treatment of [PdCl2(PEt3)2] with
PhCb°SH yielded trans-[Pd(SCb°Ph)2(PEt3)2] (4) which
when left in solution in the presence of pyridine gave another substitution product,
[Pd(SCb°Ph)2(py) (PEt3)] (5). The structures of
[PdCl(SCb°Ph)(py)(PMe2Ph)] (1), [Pd(SCb°Ph)2(PEt3)2] (4) and
[Pd(SCb°Ph)2 (py)(PEt3)] (5) were established unambiguously by X-ray crystallography. The palladium atom in these
complexes adopts a distorted square-planar configuration with neutral donor atoms occupying the trans
positions. Thermolysis of [PdCl(SCb°)(py)(PMe2Ph)] (2) in TOPO (trioctylphosphine oxide) at 200
°C gave nanocrystals of TOPO capped Pd4S which were characterized by XRD pattern and SEM.
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