Conclusions
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1.
Co-Protoporphyrin forms a pentacoordinated complex with imidazole which binds O2 in DMF solution.
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2.
Upon association with cyclodextrin, the resistance of the O2CoPP-imidazole complex toward autoxidation is markedly enhanced.
Literature cited
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A. B. Sorokin and A. A. Shteinman, Izv. Akad. Nauk SSSR, Ser. Khim., 1452 (1985).
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D. V. Stynes, H. C. Stynes, I. A. Ibers, and B. R. James, J. Am. Chem. Soc.,95, 1142 (1973).
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Translated from Izvestiya Akademii Nauk SSSR, Seriya Khimicheskaya, No. 12, pp. 2839–2841, December, 1987.
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Kulikov, A.V., Trushina, E.V. & Shteinman, A.A. Enhanced stability of the oxygen complex of Co(II) protoporphyrin IX upon its association with cyclodextrins. Russ Chem Bull 36, 2636–2638 (1987). https://doi.org/10.1007/BF00957253
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DOI: https://doi.org/10.1007/BF00957253