Citation:
Cao Yan-Xia, Yue Fan, Wang Ji-De, Chi Yao-Ling. Solid State Synthesis, Characterization and Properties of Oxygenated Polyamine Co Complexes[J]. Acta Physico-Chimica Sinica,
;2002, 18(04): 364-367.
doi:
10.3866/PKU.WHXB20020416
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Two cobalt complexes with diethylenetriamine(dien) and triethylenetetramine(trien) as ligands were synthesized by solidstate reaction at room temperature. It was found that one mole of complex reacted with two moles of oxygen at room temperature. One mole O2 coordinated to Co complex and formed superoxo type oxygenated complex. The reason of excess oxygen uptake is that the ligand was oxidatively dehydrogenated (-CH2-NH-→-C=N-). That is, molecular oxygen could be activated by the coordination with cobalt complex. Two oxygenated complexes prepared via solidstate reaction were isolated and characterized by elemental analysis, IR, XRD, TG/DTA, NMR and molar conductance.
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