Oxygen binding of water-soluble cobalt porphyrins in aqueous solution.
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.
Collman
James P
JP
Department of Chemistry, Stanford University, California 94305-5080, USA. jpc@stanford.edu
Yan
Yi-Long
YL
Eberspacher
Todd
T
Xie
Xiangjin
X
Solomon
Edward I
EI
D003035:Cobalt / Q000737:chemistry*; D008958:Models, Molecular; D010100:Oxygen / Q000737:chemistry*; D011166:Porphyrins / Q000737:chemistry*; D012995:Solubility; D012996:Solutions; D013057:Spectrum Analysis; D014867:Water
D011166:Porphyrins; D012996:Solutions; D014867:Water; D003035:Cobalt; D010100:Oxygen