Abstract

Methyl (triphenyl- and diphenylmethyl-phosphine) gold react with tetrafluoroethylene on u.v. irradiation to give Au(L)CF2·CF2Me (L = PPh3 or PPh2Me), and with perfluoropropene to give Au(L)CF(CF3)·CF2Me. Chlorotrifluoroethylene and Au(PPh3)Me yield Au(PPh3)CFCl·CF2Me. In contrast with the formation of these mononuclear gold compounds, hexafluoroacetone reacts with the methyl(phosphine) gold compounds to give binuclear complexes LAu·O·C(CF3)2·AuL. Side products of these reactions are the non-organometallic compounds LAu·O·C(CF3)2·O·AuL; formed in high yield by treating Au(L)Me with hexafluoroacetone hydrate.

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