Treatment of the readily available salts [Pt(dppm)2]2X (dppm = Ph2PCH2PPh2) with (i) Hg(C![[triple bond, length half m-dash]](https://www.rsc.org/images/entities/char_e007.gif)
CR)2 or (ii) Hg(OAc)+ RCCH or (iii) Hg(CN)2 gives virtually quantitative yields of Y2Pt(µ-dppm)2 HgX2(Y = CCR or CN, R = Ph, p-tolyl, Me, or Prn, X = Cl) and with AgOAc + PhCCH, high yields of (PhCC)2Pt(µ-dppm)2AgX (X = Cl or I).
D. M. McEwan, P. G. Pringle and B. L. Shaw, J. Chem. Soc., Chem. Commun., 1982, 1240 DOI: 10.1039/C39820001240
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