Synthesis and Reactions of the Heterobimetallic Complex

DOI: 10.1039/DT9830000889

Source and publish data:

Journal of the Chemical Society, Dalton Transactions p. 889 - 896 (1983)

Update date:2022-08-04

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Authors:

Pringle, Paul G.

Shaw, Bernard L.

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Article abstract of DOI:10.1039/DT9830000889

New methods of preparing (1b) (dppm = Ph2PCH2PPh2) are described, such as reduction of with zinc dust, formic acid, or hydrazine.Treatment of 3-allyl)2> with an excess of dppm gives pure (1b) readily, albeit in only 45 percent yield. <(η³-C3H5)ClPd(μ-dppm)PdCl(η³-C3H5)> is also described.The best route to (1b) is to treat and dppm with giving yields of 80-90 percent.Similar treatment of and dppm with t)2> gives (1a), often contaminated, however, with ca. 10 percent of .Treatment of dppm and with t)2> gives the previously unknown heterobimetallic complex (1c) in excellent yield (83-92 percent) and purity.The corresponding dibromide, di-iodide, and dithiocyanate were prepared from (1c) by metathesis.Complex (1c) readily reacts with some small molecules, SO2, CO, MeO2CCCCO2Me or CS2, to give 'A-frames' , , , and respectively.The addition of SO2, CO, or CS2 is reversible and SO2 promotes or catalyses the displacement of CO.Hydrogen-1, 31P-<1H>, and 195Pt n.m.r. data are given and discussed as are some i.r. data.

Full text of DOI:10.1039/DT9830000889

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