Oxygen binding of water-soluble cobalt porphyrins in aqueous solution |
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| Authors: | Collman James P Yan Yi-Long Eberspacher Todd Xie Xiangjin Solomon Edward I |
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| Institution: | Department of Chemistry, Stanford University, California 94305-5080, USA. jpc@stanford.edu |
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| Abstract: | Water-soluble cobalt porphyrin 1Co and imidazole ligand 2 were synthesized. 1Co binds dioxygen in the presence of imidazole ligand 2 in aqueous solution. The formation of the oxygen adduct 2-1Co(O(2)) was studied using UV-vis and EPR spectroscopy. The impact of pH on the kinetic stability of the oxygen adduct was examined. |
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