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Bis(arylazo-oximato)palladium(II); Synthesis, Palladium-Nitrogen Bond Lability, and Redox Activity

DOI: 10.1039/DT9810000623

Source and publish data:

Journal of the Chemical Society, Dalton Transactions p. 623 - 627 (1981)

Update date:2022-09-26

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Authors:

Bandyopadhyay, PinakiBandyopadhyay, Pinaki

Mascharak, Pradip K.Mascharak, Pradip K.

Chakravorty, AnimeshChakravorty, Animesh

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Article abstract of DOI:10.1039/DT9810000623

The synthesis and characterisation of the title complex, , and related mixed-ligand complexes including (A = ortho-metallated azobenzene) are described.The mass spectrum of reveals peaks corresponding to loss of oximato-O and NO from the parent ion.Gaseous HCl cleaves the Pd-N(oxime) bond selectively.Triphenylphosphine cleaves one or both Pd-N(azo) linkages giving and unstable which is also produced by oxidative addition of HL to .In the unidentate and bidentate L groups scramble rapidly at 308 K but slowly at 233 K (1H n.m.r.).Bidentate phosphine and phosphinoarsine cleave the two Pd-N(azo) bonds simultaneously.Unidentate amines, when present in very large excess, produce unstable in which one L is unidentate.Addition of X2 (X= Cl or Br) yields the unstable palladium(IV) complex which is readily reduced to halogeno-bridged palladium(II) species.A cyclic-voltammetric study of the one-electron quasi-reversible reduction of , , etc. at a platinum electrode is briefly reported.

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Product name:(αphenylazoacetaldoximato-N)(α-phenylazoacetaldoximato-N,N'')(triphenylphosphine)palladium(II)

Cas No:63056-57-5

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