Abstract
The thermal behaviour of the dithiocarbamic ester complexes [M(MeS 2CNMe 2)X 2] (M = Pd or Pt; X = Cl or Br) and [Pd(MeS 2CNEt 2)Cl 2] has been examined up to 1100° C. The first decomposition step involves MeX release to form the corresponding species [M(S 2CNMe 2)X] n and [Pd(S 2CNEt 2)Cl] n . The degradation intermediates have been isolated and characterized by elemental analyses and IR and NMR ( 1H and 13C) spectra. Their possible structure is discussed and correlated with the properties of the starting dithiocarbamic ester adducts. On heating, the mixed complexes [Pt(S 2CNEt 2)(MeS 2CNR 2)Cl] (R = Me or Et) undergo an analogous S-demethylation process, MeCl being evolved at temperatures lower than those of the same process for the [Pt(MeS 2CNMe 2)X 2] species.
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