Synthesis of palladium and platinum donor complexes and study of their participation in self-assembly reactions. X-ray crystal structure of [Pt(C6H4CCC5H4N)2(dppp)] (dppp=1,3-bis(diphenylphosphino)propane) (original) (raw)

Novel square-planar compounds [M(NC 5 H 4 C"CH) 2 (dppp)](OTf) 2 (M = Pd (1), Pt (2)), [Pt(C"CC 6 H 4 CN) 2 (dppp)] (3) and [Pt(C 6 H 4 C"CC 5 H 4 N) 2 (dppp)] (4) (dppp = 1,3-bis(diphenylphosphino)propane) were prepared and characterised. Their potential as building blocks in the generation of heterobimetallic squares was studied. The reaction of 4 and the ditopic acceptor species [Pd(H 2 O) 2 (dppf)](OTf) 2 enabled a tetrametallic metallocycle containing two platinum and two palladium atoms to be obtained. The crystal X-ray structure of 4 shows that the PtÁ Á ÁN vectors are nearly perpendicular, and confirm the suitability of the compound to act as a corner unit for the construction of molecular squares.