The heterobimetallic complexes [{Pd(PPh3)2(4-Epy)2}{Cu(PPh3)2Cl}2] (E = S, Se) were synthesized from the CuI complex [CuCl(PPh3)3] and “metallo-ligands” [PdCl(PPh3)2(4-Epy)] (1) and [Pd(PPh3)2(4-Epy)2] (2) (Epy– = 4-pyridylchalcogenolate; E = S or Se).)....