Issue 2, 1989

Hydridotriplatinum chemistry and a stepwise electrophilic ligand substitution mechanism

Abstract

The cluster complex [Pt33-H)(µ-dppm)3]+(1)(dppm = Ph2PCH2PPh2) can be protonated rapidly and reversibly to give [Pt33-H)2(µ-dppm)3]2+ and [Pt32-H)3(µ-dppm)3]3+; auration of (1) with LAu+(L = PPh3) gives [Pt33-H)(µ3-AuL)(µ-dppm)3]2+, which can be deprotonated to [Pt33-AuL)(µ-dppm)3]+ and then further aurated to [Pt33-AuL)2(µ-dppm)3]2+, thus providing a route to novel platinum cluster hydrides and showing clearly how electrophilic ligand substitution at the cluster can occur by a bimolecular, stepwise mechanism.

Article information

Article type
Paper

J. Chem. Soc., Chem. Commun., 1989, 128-129

Hydridotriplatinum chemistry and a stepwise electrophilic ligand substitution mechanism

R. Ramachandran, N. C. Payne and R. J. Puddephatt, J. Chem. Soc., Chem. Commun., 1989, 128 DOI: 10.1039/C39890000128

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