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Issue 23, 1994
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Cyclopentadiene-, furan- and thiophene-derived 1,2-dioxolene complexes of platinum(II) and the crystal structure of [Pt{OCC(CO2Me)CH2C(CO2Me)CO}(PPh3)2]

Abstract

The synthesis of a number of platinum(II)-dioxolene complexes of the type [Pt{O-[graphic omitted]O}L2] was readily achieved in high yields via the silver(I) oxide-mediated reactions of the cyclic α,β-diketone compounds [graphic omitted]H(CO2R)(X = CH2, O or S) with platinum(II) chloride complexes cis-[PtCl2L2][L = PPh3 or L2= cycloocta-1,5-diene (cod)]. The complexes can be considered to be derived from cyclopentadiene, furan or thiophene, and are related to metal-catecholates. A single-crystal structure determination on the cyclopentadiene-derived complex [Pt{O[graphic omitted]O}(PPh3)2] revealed the presence of a planar platinum–oxolene ring system. Silver(I) oxide can also be used to synthesise the related tetrachlorocatechoiato complexes [Pt(1,2-O2C6Cl4)L2](L = PPh3 Or L2= cod) in high yields and purities.

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Article information


J. Chem. Soc., Dalton Trans., 1994, 3383-3387
Article type
Paper

Cyclopentadiene-, furan- and thiophene-derived 1,2-dioxolene complexes of platinum(II) and the crystal structure of [Pt{OCC(CO2Me)CH2C(CO2Me)CO}(PPh3)2]

J. A. Daldy, J. Fawcett, W. Henderson, R. D. W. Kemmitt and D. R. Russell, J. Chem. Soc., Dalton Trans., 1994, 3383
DOI: 10.1039/DT9940003383

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