Cobalt, nickel, and copper coordination compounds with 3-phenylpropenal benzoylhydrazone |
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Authors: | N M Samus’ A P Gulya V I Tsapkov |
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Institution: | (1) Moldovian State University, ul. Mateevicha 60, Kishinev, 2009, Moldova |
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Abstract: | 3-Phenylpropenal benzoylhydrazone (HL) reacts with cobalt, nickel, and copper chlorides, nitrates, and acetates to give coordination compounds MX2 · nH2O M = Co, Ni, Cu; X = Cl, NO3, HL = C6H5CH=CHCH=NNHC(O)C6H5; n = 0, 2] and ML2 · nH2O (M = Co, Ni, Cu; n = 1–3). Complexes MALCI (M = Co, Ni, Cu) were obtained by these reactions in the presence of amines (A = C5H5N, 2-CH3C5H4N, 3-CH3C5H4N, 4-CH3C5H4N). All the compounds have a monomeric structure. Azomethine (HL) in them behaves as a bidentate N,O-ligand. Thermolysis of the complexes involves the stages of dehydration (70–90°C), deaquation (145–155°C) or deamination (145–185°C), and complete thermal decomposition (330–490°C). |
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