The synthesis and characterization of some new five-co-ordinate mononitrosyl cobalt complexes of the type [CoL4(NO)][BPh4]2[L = P(OMe)3, P(OEt)3, or PPh(OEt)2] is described. The reactivity of these compounds with π-acceptor ligands such as NO, CO, phosphite, and isocyanide is discussed. Furthermore, the reaction with molecular oxygen and with halide ions (X–) has been investigated and a new method of obtaining the cations [CoXL3(NO)]+ has been achieved. The cathodic and anodic behaviour of the complex [Co{P(OEt)3}4(NO)][BPh4]2 at a platinum electrode in acetonitrile is also reported.

Synthesis, reactivity, and electrochemical behaviour of new five-co-ordinate nitrosyl cobalt complexes / Gabriele, Albertin; Emilio, Bordignon; Gian Antonio, Mazzocchin; Angelo A., Orio; Seeber, Renato. - In: JOURNAL OF THE CHEMICAL SOCIETY DALTON TRANSACTIONS. - ISSN 0300-9246. - STAMPA. - 1981(1981), pp. 2127-2131.

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