The synthesis, reactions, and dynamic behaviour of allyl(cyclopentadenyl)platinum complexes
- 1 January 1980
- journal article
- research article
- Published by Royal Society of Chemistry (RSC) in J. Chem. Soc., Dalton Trans.
- No. 7,p. 1220-1227
- https://doi.org/10.1039/dt9800001220
Abstract
Reaction of [PtCl(σ-allyl)(cod)][allyl = CH2CHCH2, CH2C(Me)CH2, CH2CHCHMe, or CH2CHCHPh; cod = cyclo-octa-1,5-diene] with Tl[C5H5] affords the crystalline complexes [Pt(η3-allyl)(η-C5H5)]. In the case of the cinnamyl ligand the precursor, [Pt(σ-CH2CHCHPh)(cod)(σ-C5H5)], of the η3-allyl species could be isolated as an orange crystalline material. Treatment of the η3-allylic species with an excess of CNBut affords the complexes trans-[Pt(CNBut)2(σ-allyl)(σ-C5H5)], there being no evidence for the intermediacy of isocyanide analogues of [Pt(CO)(σ-allyl)(η-C5H5)]. The trans-isocyanide complexes rearrange in solution to give thermodynamically controlled mixtures whose major component is the cis isomer. The mechanisms of these reactions are discussed, together with the 1H and 13C n.m.r spectra of the complexes isolated.Keywords
This publication has 0 references indexed in Scilit: