The synthesis and the characterization of new ligands with phenolic groups represent an area of high research interest due to their use as models for biologicals metal-bindings sites and to their capacity to form metal complexes with interesting magnetic, redox and catalytic properties [1]. The planar ligands with amine donor groups and bringing phenolic oxygens are known as Robson-type ligand [2], that usually are obtained by condensation of appropriate formyl and amine precursors. 2,6-Diformyl-4-methylphenol represent an important reactant to obtain such kind of ligands and oxo-bridged macrocyclic complexes with diamines in the presence of template metal salts. Schiff bases are of high interest for macrocyclic ligands, because they can link certain metallic ions depending on number, type and position of donors atoms, ionic radius of metallic centers and coordination properties of contraions. The condensation reaction that leads to the obtaining of Schiff-bases is versatile in the obtaining of macrocyclic compounds and macrocyclic dinuclear complexes following a [2+2] condensation of 2,6-diformyl-4-methylphenol with different diamines [3,4]. For the firts time, we report the synthesis of new metallic complexes with macrocyclic Schiff bases resulted from [2+2[ condensation of 2,6-diformyl-4-methylphenol with 1,3-bis(3- aminopropyl)tetramethyldisiloxane in the presence of different metal salts like CuCl2 and MnCl2. It is expected that the presence of high flexible siloxane sequence to confer flexibility and easy processing to the final product. Some of the other special properties of the siloxane (low intermolecular forces, low surface free energy, large free volume, good thermal, oxidative and UV stability, high environmental and bio-compatibility, etc.) may also determine the behavior of the final product. The complexes were well characterized by elemental and spectral analyses. The FTIR spectroscopy emphasize the co-existence of the free and complexed azomethine groups, deprotonated phenol groups, chloro bridges as well as the siloxane sequences. The structures of the complexes have been determined by single crystal X-ray diffraction. The magnetic behaviour as well as electrochemical and catalytic activities of the metal complexes were studied.