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The Reaction of SnCl2 with the Complexes cis-PtCl2 (phosphorus ligand)2 as studied by 31P and 195Pt NMR

✍ Scribed by Paul S. Pregosin; Siu Ning Sze

Publisher
John Wiley and Sons
Year
1978
Tongue
German
Weight
487 KB
Volume
61
Category
Article
ISSN
0018-019X

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✦ Synopsis

The reactions of SnC1, with the complexes cis-PtC1,P2, P = trialkyl and triaryl phosphines and phosphites, in CDC1, and CD2C12 have been studied using 31P and 195Pt NMR. methods. For equimolar amounts of Sn and Pt, products of the type PtCl(SnC13)P2 are formed with the complex geometry depending on the nature of P. For P=PEt, and P(OPh),, further addition of SnC12 produces trans-Pt (SnC13),P2 complexes. The syntheses of trans-PtC1 (SnCl,) (PEt,), and trans-Pt (SnCl,), (OPh),), are described.

Introduction. -The interaction between platinum salts and SnC1, has long been of interest [l]. In particular bis-phosphine complexes of platinum of type cis-PtC1, (phosphine), have recently been shown to be useful catalysts for the hydrogenation and hydroformylation of primary olefins in the presence of excess SnCl, . 2 H,O [2]. Despite the useful characteristics displayed by this type of system,

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