ChemInform Abstract: REACTIONS OF SULFOXIDE‐THIOETHER BIDENTATE LIGANDS WITH PLATINUM(II). DETERMINATION OF THE MODE OF BINDING BY CYCLIC VOLTAMMETRY

Davies, Julian A.; Hasselkus, C. S.; Scimar, Christiane N.; Sood, Anup; Uma, V.

doi:10.1002/chin.198518293

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“…The solution was placed in a pressure reactor and pressurised to 100 psi (ca. 6.895 x lo5 Pa) of ethene, then stirred for 48 h during which time the reactor was occasionally repressurised to 100 psi. All volatiles were subsequently removed in vacuo leaving a bright yellow residue containing Zeise's salt, K[Pt(q2-C,H,)CI,]*H,O, and KCl.…”

Section: Methodsmentioning

confidence: 99%

A facile, high-yield synthesis of [Pt₂(PR₃)₂(µ-Cl)₂Cl₂]

Boag¹,

Ravetz²

1995

J. Chem. Soc., Dalton Trans.

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A wide range of examples has been synthesised and fully characterised by "P-{lH} and 195Pt-{1H} spectroscopy. The dinuclear complexes [Pt,(PR3),(p-C1),Cl2] (R = alkyl or aryl)' are synthetically important as they are susceptible to cleavage of the chloro bridge by nucleophiles such as CO,, i m i n e ~, ~ amines,, o l e f i n ~, ~sulfoxides and thioethers allowing the formation of a wide range of mononuclear platinum(I1) derivatives. The primary method of synthesis of [Pt2(PR3)2(p-C1),Cl2] has been to reflux a slurry of [Pt(PR,),Cl,] and PtCl, in a mixture of xylene and naphthalene the ratio of which is varied in order to obtain the optimum reaction temperature.' Alternative solvents which have been recommended include tetrachloroethane and, more recently, p-chlorotoluene. The disadvantage of these methods is the necessity to use PtCl, which can be expensive as a source of platinum compared to [PtCl4l2 -, solutions of which are readily obtainable from platinum metal or platinum residues. l o Thus, we sought an alternative method for the synthesis of [Pt,(PR3)2(p-CI)2C12] that would employ [PtC1,I2-

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Section: Methodsmentioning

confidence: 99%