| 14640640 |
Pestovsky O, Bakac A: Direct kinetic studies of atom transfer and electron transfer reactions of hydroperoxo and high-valent oxo complexes of chromium. J Am Chem Soc. 2003 Dec 3;125(48):14714-5.
A macrocyclic hydroperoxo chromium complex reacts with triphenyl phosphine in an acid-catalyzed oxygen-atom transfer reaction, k = 850 M-2 s-1. In a competing process, the hydroperoxo complex is converted to a dioxo chromium (V) species, which reacts with PPh3 by electron transfer, k = 4.4 x 105 M-1 s-1. |
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