COORDINATION BEHAVIOR OF THE NEW MULTIDENTATE LIGAND 3,5-BIS(DIMETHYLAMINOMETHYL)PYRIDINE WITH PALLADIUM(II) AND PLATINUM(II) METAL CENTERS

The synthesis of the new potentially tridentate Ligand 3,5-bis(dimethy laminomethyl)pyridine (3) is described. Coordination chemistry of this Ligand has been investigated with Pd-II and Pt-II precursor compounds . Both a bidentate bridging bonding motif and a monodentate bonding mo de is observed. The latter compounds incorporate 3 by coordination thr ough the pyridinic N atom only. The former complexes contain ligand 3 bonded to 2 metal centres by bridging through coordination of one tria lkyl N donor atom and the pyridinic N atom. The solid-state structure of a Ligand bridged Pd dimer has been elucidated by single-crystal X-r ay diffraction and corroborates with the solid-state IR data that sugg ested a trans-PdCl2 unit was present.