The synthesis, spectroscopic, and magnetic characterization of two new copper(II) and cobalt(II) complexes are described. Both two compounds have the general formula [M(L)2(Cl)2] (M = Cu (I), Co (II); L = 2 amino 5 bromopyridine). These complexes were prepared in one step synthesis and characterized by elemental analysis, FT IR, UV Vis, and EPR spectroscopy. Moreover, the single crystal structure of com plex I was studied by the X ray diffraction method. This compound consists of mononuclear units consisting of two ligands linked to metal via the nitrogen of pyridine ring. The UV Vis spectra of copper(II) and cobalt(II) complexes show three and five absorption bands, respectively, attributed to the d–d transition of the metal ion, ligand → metal charge transfer and π → π* or n → π* transitions of the ligand. The FT IR spectra show MN2Cl2 vibrations at 500–300 cm –1. The complexes show room temperature magnetic moments of 1.78 and 4.12 μB for Cu(II) and Co(II), respectively. The X band electron spin resonance (ESR) spectra of Cu(II) complex in DMF or DMSO frozen at liquid nitrogen temperature show the typical ΔMS = ±1 transition. DOI: 10.1134/S1070328413110018