Preparation and characterisation of dithiophosphinato-complexes of yttrium and the lanthanoids
- 1 January 1978
- journal article
- research article
- Published by Royal Society of Chemistry (RSC) in J. Chem. Soc., Dalton Trans.
- No. 1,p. 85-90
- https://doi.org/10.1039/dt9780000085
Abstract
Hydrated lanthanoid(III) chlorides react with salts of dithiophosphinic acids in hot ethanolic solution to form the corresponding neutral tris or anionic tetrakis complexes, [Ln(S2PR2)3](R = C6H11) and [Ln(S2PR2)4]–(R = Me, OEt, or C6H11) respectively. The product of the reaction is sterically controlled. Displacement reactions with PPh3O to give mixed complexes are described. The characterisation, structures, and spectral properties of all the isolated complexes are discussed. The lanthanoid-sulphur bond is compared with transition-metal-sulphur bondsKeywords
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