Complexes with P=O donor ligands

The P=O group is a strong donor for f-element complex formation. Ligands containing this group are important in solvent extraction processes.

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Examples with Ph3P=O An important complex with trimethylphosphate
 (MeO)3P=O


[La(Ph3P=O)4(OTf)2][OTf]
[Lu(Ph3P=O)4(OTf)2][OTf]

This complex of uranium with trimethylphosphate is central to the reprocessing of nuclear fuel
[UO2(NO3)2{(MeO)3P=O}2]

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