Laser flash photolysis formation and direct kinetic studies of manganese(V)-oxo porphyrin intermediates

Journal of the American Chemical Society

Volumn 125, Issue 41, 2003, Pages 12418-12419

  Zhang, Rui ^a   Newcomb, Martin ^a  

^a UNIVERSITY OF ILLINOIS AT CHICAGO   (United States)

Author keywords

[No Author keywords available]

Indexed keywords

MANGANESE; OXYGEN DERIVATIVE; PORPHYRIN DERIVATIVE;

ARTICLE; CHEMICAL BOND; CHEMICAL REACTION KINETICS; LASER; OXIDATION; PHOTOLYSIS; STEREOCHEMISTRY; ULTRAVIOLET SPECTROSCOPY;

KINETICS; MANGANESE; METALLOPORPHYRINS; OXIDATION-REDUCTION; PHOTOLYSIS; SPECTRUM ANALYSIS;

EID: 0141988957     PISSN: 00027863     EISSN: None     Source Type: Journal    
DOI: 10.1021/ja0377448     Document Type: Article

References (26)

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15. Abbreviations: TPP = tetraphenylporphyrinato, TPFPP = tetrakis-(pentafluorophenyl)porphyrinato; TMPyP = tetra(4-(N-methylpyridiniumyl))porphyinato; m-CPBA = m-chloroperoxybenzoic acid.
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22. 3CN.
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25. Porphyrin-iron(IV)-oxo radical cations, putative intermediates in cytochrome P450-catalyzed oxidations, have not been observed in catalytic processes, even at low temperatures. See: Davydov, R.; Macdonald, I. D. G.; Makris, T. M.; Sligar, S. G.; Hoffman, B. M. J. Am. Chem. Soc. 1999, 121, 10654-10655. Davydov, R.; Makris, T. M.; Kofman, V.; Werst, D. E.; Sligar, S. G.; Hoffman, B. M. J. Am. Chem. Soc. 2001, 123, 1403-1415.
26. Porphyrin-iron(IV)-oxo radical cations, putative intermediates in cytochrome P450-catalyzed oxidations, have not been observed in catalytic processes, even at low temperatures. See: Davydov, R.; Macdonald, I. D. G.; Makris, T. M.; Sligar, S. G.; Hoffman, B. M. J. Am. Chem. Soc. 1999, 121, 10654-10655. Davydov, R.; Makris, T. M.; Kofman, V.; Werst, D. E.; Sligar, S. G.; Hoffman, B. M. J. Am. Chem. Soc. 2001, 123, 1403-1415.