Ladder-like azido-bridged copper(II) complexes: Synthesis, X-ray structure and magnetic study

Two ladder-like mixed-ligand copper(II) complexes [{Cu(L1)(μ1,3-N3)}{Cu(L)(μ1,3-N3)(μ1,1-N3)}]n (1) [HL1 = 1-(N-ortho-hydroxyacetophenimino)-2,2-dimethyl-aminoethane; L = 2-(dimethylamino)-ethylamine] and [{Cu(L2)(μ1,3-N3)}{Cu(L)(μ1,3-N3)(μ1,1-N3)}]n (2) [HL2 = 1-(N-5-methoxy-ortho-hydroxyacetophenimino)-2,2-dimethyl-aminoethane] have been synthesized and characterized structurally. The variable temperature (2-300 K) magnetic susceptibility measurements revealed that the magnetic interaction between metal centers is antiferromagnetic in both complexes.