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Radicals and Radical Ions Derived from Indole, Indole-3-carbinol and Diindolylmethane

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posted on 01.07.2010, 00:00 by Anna Błoch-Mechkour, Thomas Bally, Adam Sikora, Radosław Michalski, Andrzej Marcinek, Jerzy Gȩbicki
The primary products, i.e., the radical cations and radicals obtained on oxidation of the glucobrassicin metabolites (and dietary supplements), indole-3-carbinol (I3C) and diindolylmethane (DIM), and those from parent indole (I) are characterized in an ionic liquid and in Ar matrices. The radical cations of I and I3C are stable toward (photo)deprotonation under these conditions, but the resulting radicals can be generated by UV-photolysis of the neutral precursors. Two types of radicals, obtained by loss of hydrogen from N- and C-atoms, respectively, are found for I3C and DIM.