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Reactions of : Carbaborane Cage Transfer from Gold to Rhodium

DOI: 10.1039/DT9930001073

Source and publish data:

Journal of the Chemical Society, Dalton Transactions p. 1073 - 1082 (1993)

Update date:2022-07-31

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Authors:

Jeffery, John C.Jeffery, John C.

Jelliss, Paul A.Jelliss, Paul A.

Stone, F. Gordon A.Stone, F. Gordon A.

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Article abstract of DOI:10.1039/DT9930001073

The reagent <10-endo-(Au(PPh3))-nido-7,8-C2B9H9Me2> has been prepared, and used to synthesise several mixed-metal complexes in which gold atoms are bonded to rhodium.Thus treatment of the gold salt with trans- or in thf (tetrahydrofuran), in the presence of TlBF4, affords the complexes 5-7,8-C2B9H9Me2)> (L = PPh3 or CO), respectively.Reaction of the gold species with gives the complex , the structure of which has been established by X-ray diffraction.The latter complex in solution exists in equilibrium with a minor isomer 5-7,8-C2B9H9Me2)> containing a closo-3,1,2-RhC2B9 cage system.With the rhodium complex (cod = cycloocta-1,5-diene), and in the presence of molecular hydrogen, the gold reagent yields a chromatographically separable mixture of and 5-7,8-C2B9H9Me2)>.A single-crystal X-ray diffraction study has established the structure of the rhodium-digold compound.The NMR data (1H, 13C-(1H), 31P-(1H) and 11B-(1H)) for the new compounds are reported and discussed in relation to their structures.

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Product name:Rh(P(C6H5)3)2(H)2AuP(C6H5)3C2B9H7(CH3)2

Cas No:139319-05-4

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