A Bulky Bis-Pocket Manganese(V)−Oxo Corrole Complex: Observation of Oxygen Atom Transfer between Triply Bonded MnV≡O and Alkene
2009
The highly bulky bis-pocket corrole 5,10,15-tris(2,4,6-triphenylphenyl)corrole (H3TTPPC) has been synthesized. Resonance Raman spectroscopy revealed a triply bonded Mn≡O moiety in its manganese(V)−oxo complex. Direct oxygen atom transfer from (TTPPC)Mn≡O to styrene was confirmed by an 18O-labeling experiment. The (TTPPC)MnIII complex also exhibits significant shape selectivity in the catalytic epoxidation of nonconjugated dienes.
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