Palladium(II) complexes of aliphatic amines and their oxidation by chloramine‐T in perchloric acid medium

The formation of palladium(II) complexes with aliphatic amines and their oxidation by chloramine‐T in perchloric acid medium has been studied. The spectrophotometric studies showed the formation of 1:1 and 1:2 complexes between palladium(II) and amine in absence of HClO 4 . An increase in [HClO 4 ] in reaction mixture suppresses the complex formation and in presence of [HClO 4 ] ∼10 −3 mol dm −3 only a 1:1 complex between palladium(II) and amine has been observed. The effect of Cl − on the complex formation has also been studied. Palladium(II)‐catalyzed oxidation of these amines by chloramine‐T showed a first‐order dependence of rate with respect to each—oxidant, substrate, catalyst, and H + . The mechanism consistent with kinetic data for the oxidation process has been proposed in absence as well as in presence of initial [Cl − ]. © 2002 Wiley Periodicals, Inc. Int J Chem Kinet 34: 603–612, 2002