Acetylene (II) reagieren mit den Pd‐ Komplexen (I) zu den Komplexen (III) mit A‐Gerüst‐Struktur, die mittels IR‐ sowie 1H‐ und 31P‐NMR‐Spektroskopie charakterisiert werden.
The 31P|*H| NMR spectra of (Ph3P)3(OC)Pt2(M-S) and five derivatives have been analyzed. The utility of selective population transfer experiments in identifying resonances in the spectrum due to a single isotopomer and, consequently, in facilitating spectral analysis has been demonstrated. Substitution reactions of (Ph3P)3(OC)Pt2(M-S) yield (Ph3P)2(Ph2PCH2PPh2)Pt2(#t-S) and (Ph3P)2(CH3NC)2Pt2G¿-S). The Pt-Pt bonds of these compounds are inert to insertion reactions by carbon monoxide, methyl isocyanide, and acetylenes. Methyl iodide alkylates these complexes to produce (Ph3P)3(OC)Pt2(/i-SCH3)+ and (Ph3P)2(Ph2PCH2PPh2)Pt2(M-SCH3)+. (Ph3P)3(OC)Pt2(/t-S) reacts with carbon disulfide to form (Ph3P)2PtS2CS.
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