Platinum(II) Co-ordination Chemistry of Bis(diphenylphosphino)amine

DOI: 10.1039/DT9950000521

Source and publish data:

Journal of the Chemical Society, Dalton Transactions p. 521 - 530 (1995)

Update date:2022-09-26

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Authors:

Browning, C. Scott

Farrar, David H.

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Article abstract of DOI:10.1039/DT9950000521

A spectroscopic and structural examination of the platinum(II) co-ordination chemistry of bis(diphenylphosphino)amine (dppa) and bis(diphenylphosphino)methylamine (dppma) has been made.The complexes , , , , (2+) and (2+) as the chloride, iodide and tetrafluoroborate salts, , trans- and have been prepared.The solid-state structures of 2*MeCN, 2 and trans- have been determined by X-ray crystallography.The crystallographic examination permits a critical evaluation of the nature of the strain in the four-membered rings formed by ligand chelation to a transition-metal centre.Structural and theoretical data suggest that bis(diphenylphosphino)amine chelate complexes should be more strained than the corresponding bis(diphenylphosphino)methane (dppm) complexes.The preference of Pt(II) for binding to dppa rather than dppm implies the formation of a stronger Pt-P bond in complexes of the former ligand.

Full text of DOI:10.1039/DT9950000521

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