Nickel nitrosyl complexes with the diphenylphosphinoethane ligand

Bhaduri, Sumit ; Sarma, Krishna R. ; Narayan, Bikshandarkovil A. (1981) Nickel nitrosyl complexes with the diphenylphosphinoethane ligand Transition Metal Chemistry, 6 (4). pp. 206-210. ISSN 0340-4285

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Four-coordinate nickel nitrosyl complexes of the general formula Ni(NO)X(Dppe) (Dppe=Ph2PCH2CH2PPh2) have been prepared byin situ formation of Ni(NO2)X(Dppe), (X= Cl, Br, I or SCN) followed by reduction with triphenylphosphine, or carbon monoxide, and/or DMF. Oxygenation of the nitrosyl complexes gives the corresponding nitro products and as indicated by u.v.-vis spectroscopy involves formation of an intermediate. The oxygenation rate increases markedly in the presence of light or of a catalytic amount of benzoyl peroxide and a tentative explanation is offered for these observations. Ionic adducts are formed in reactions between the nitrosyl complexes and donor molecules.

Item Type:Article
Source:Copyright of this article belongs to Springer-Verlag.
ID Code:2123
Deposited On:08 Oct 2010 09:08
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