Co/Mn/Br-catalyzed oxidation

Figure 2. Schematic Diagram Illustrating the Difference Between Thermal, Cobalt Catalyzed, and Co/Mn/Br Catalyzed Oxidation of M-Chlorotoluene...

Observation of the colors during the metal/bromide oxygenation of toluene are consistent with very low steady state concentrations of the metals in their higher oxidation states. Previously we had estimated based on UV-VIS studies that only 0.6% of the cobalt in a Co/Mn/Br catalyzed oxidation of p-xylene consisted of Co(III) [10]. In the absence of... 

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