Communication

Isolation of a Mn^IV acylperoxo complex and its monooxidation ability

Takahiro Kikunaga,^ab   Takahiro Matsumoto,^ab   Takehiro Ohta,^ac  Hidetaka Nakai,^ab   Yoshinori Naruta,*^ac   Kwang-Hyun Ahn,*^d  Yoshihito Watanabe*^e and   Seiji Ogo*^abf  

The first example of monooxygenation by a high-valent Mn^IV complex with a peroxide is described. A key Mn^IV acylperoxo intermediate, which uses m-chloroperoxybenzoic acid as the oxygen donor, is directly observed by electro-spray ionization mass spectrometry and resonance Raman spectroscopy.

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