Cycloaddition reactions of (R3P) 2M(N3)2 (M = Pd, Pt) with organic nitriles, thiocyanates, isothiocyanates, dimethylacetylenedicarboxylate and carbon disulphide are described; an X-ray analysis of the crystal structure of bis (5-phenyltetrazolato) -bis (triphenylphosphine) palladium (II) is summarised and related to isomerism of the complex in solution.

Cycloadditionsreaktionen der cis‐Komp1exe (I), dargestellt aus Tetraazidometallat(II) und Triphenylphosphin oder Carbonato(Dichloro)‐bis‐[triphenylphosphin]‐metall und Na‐azid, mit organischen Nitrilen, Thiocyanaten, Iso(thio)‐ cyanaten, CS2 und Dimethylacetylendicarboxylat führen zu den entsprechenden Produkten (II)‐(VI).