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Two asymmetric schiff–base ligands L1,L2(L1= N-Furan-2-ylmethylene-N-{2-[(4-methoxy-benzylidene)-amino]-ethyl}-1,2-diamine,L2 = 4-Brome-2-[(2-{2-[Furan-2-ylmethylene)-amino]-ethylamino}-methyl]-phenol)and the new metal complexe [Ni(L2)]NO3 was synthesized by using diethylenetriamine as precursor.