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Reactions of Ruthenium Formyl and Related Complexes with Nitroxide Spin Traps

DOI: 10.1039/DT9840001209

Source and publish data:

Journal of the Chemical Society, Dalton Transactions p. 1209 - 1214 (1984)

Update date:2022-08-24

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Authors:

Smith, GarrySmith, Garry

Sutcliffe, Leslie H.Sutcliffe, Leslie H.

Cole-Hamilton, David J.Cole-Hamilton, David J.

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Article abstract of DOI:10.1039/DT9840001209

Reactions of the complexes trans- (dppe=Ph2PCH2CH2PPh2), cis- (dppm=Ph2PCH2PPh2), or trans- with ButNO give But2NO. and trans-tNO)(CO)(P-P)2>.+ (M=Ru, P-P=dppe or dppm; M=Os, P-P=dppe), the structures of which have been elucidated by e.s.r. and labelling (13C, 2H) studies. cis- or trans-+ gives only But2NO., whilst trans-2+ gives a mixture of trans-tNO)PPh2>>.2+ and a radical with the trap bound to a carbonyl carbon atom.The decomposition products of cis-+ gave a radical with the trap bound to the back-bone carbon atom of a chelating dppm ligand, whilst dppe and dppm both give radicals where the ButNO group is bound to a phosphorus atom.The mechanisms of some of these reactions are discussed.

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