Multinuclear magnetic resonance studies of the reactions of bidentate ligands with Pt(S/sub 2/P(OEt)/sub 2/)/sub 2/. Crystal and molecular structure of (apeS)Pt(S/sub 2/P(OEt)/sub 2/)/sub 2/ (ApeS = Ph/sub 2/AsCH/sub 2/CH/sub 2/P(S)Ph/sub 2/)
The interactions in dichloromethane solution of Pt(S/sub 2/P(OEt)/sub 2/)/sub 2/ (I) with a number of potentially bidentate ligands have been studied by multinuclear (/sup 31/P, /sup 77/Se, /sup 195/Pt) magnetic resonance techniques. The ligands used (L-L') were Ph/sub 2/PCH/sub 2/CH/sub 2/PPh/sub 2/ (dpe), Ph/sub 2/AsCH/sub 2/CH/sub 2/PPh/sub 2/ (ape), Ph/sub 2/PCH/sub 2/PPh/sub 2/ (dpm), Ph/sub 2/PCH/sub 2/P(E)Ph/sub 2/ (E = S, Se to give dpmS, dpmSe), and Ph/sub 2/PCH/sub 2/CH/sub 2/P(E)Ph/sub 2/ (apeS, apeSe). All the ligands except apeS and apeSe react with (I) in 1:1 proportions to give initially ((L-L')Pt(S/sub 2/P(OEt)/sub 2/))/sup +/ and free (S/sub 2/P(OEt)/sub 2/)/sup /minus//, but a slower reaction gives (L-L')Pt(S/sub 2/P(O)OEt) and EtS/sub 2/P(OEt)/sub 2/ by attack of the free anion on the coordinated dithiophosphate ligand. In 1:2 proportions these ligands give (Pt(L-L')/sub 2/)/sup 2+/ and free (S/sub 2/P(OEt)/sub 2/)/sup /minus//, except for dpm which gives ((/eta//sup 1/-dpm)(/eta//sup 2/-dpm)Pt(/eta//sup 1/-S/sub 2/P(OEt)/sub 2/))/sup +/. The same products are obtained by reacting 1 mol of L-L' with 1 mol of ((L-L')Pt(S/sub 2/P(OEt)/sub 2/))/sup +/, but the (L-L')Pt(S/sub 2/P(O)OEt) compounds do not react with further L-L' ligand. The ligands apeE react with to give only (/eta//sup 1/-apeE)Pt(/eta//sup 1/-S/sub 2/P(OEt)/sub 2/)(/eta//sup 2/-S/sub 2/P(OEt)/sub 2/). The structures of all the complexes in solution were determined by multinuclear magnetic resonance studies and that of (/eta//sup 1/-apeS)Pt(/eta//sup 1/-S/sub 2/P(OEt)/sub 2/)(/eta//sup 2/-S/sub 2/P(OEt)/sub 2/) in the solid state was confirmed by a single-crystal x-ray diffraction study. 21 references, 4 figures, 8 tables.
- Research Organization:
- Univ. of Melbourne, Parkville (Australia)
- OSTI ID:
- 5734900
- Journal Information:
- Inorg. Chem.; (United States), Vol. 27:11
- Country of Publication:
- United States
- Language:
- English
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ORGANIC
PHYSICAL AND ANALYTICAL CHEMISTRY
HETEROCYCLIC COMPOUNDS
CHEMICAL PREPARATION
CRYSTAL STRUCTURE
MOLECULAR STRUCTURE
ORGANIC PHOSPHORUS COMPOUNDS
ORGANIC SULFUR COMPOUNDS
ORGANOMETALLIC COMPOUNDS
PLATINUM COMPLEXES
EXPERIMENTAL DATA
NUCLEAR MAGNETIC RESONANCE
PHOSPHORUS 31
PLATINUM 195
SELENIUM 77
COMPLEXES
DATA
DAYS LIVING RADIOISOTOPES
EVEN-ODD NUCLEI
HEAVY NUCLEI
INFORMATION
INTERMEDIATE MASS NUCLEI
INTERNAL CONVERSION RADIOISOTOPES
ISOMERIC TRANSITION ISOTOPES
ISOTOPES
LIGHT NUCLEI
MAGNETIC RESONANCE
NUCLEI
NUMERICAL DATA
ODD-EVEN NUCLEI
ORGANIC COMPOUNDS
PHOSPHORUS ISOTOPES
PLATINUM ISOTOPES
RADIOISOTOPES
RESONANCE
SECONDS LIVING RADIOISOTOPES
SELENIUM ISOTOPES
STABLE ISOTOPES
SYNTHESIS
TRANSITION ELEMENT COMPLEXES
400201* - Chemical & Physicochemical Properties
400202 - Isotope Effects
Isotope Exchange
& Isotope Separation