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Bulletin of the Korean Chemical Society (BKCS)

ISSN 0253-2964(Print)
ISSN 1229-5949(Online)
Volume 30, Number 3
BKCSDE 30(3)
March 20, 2009

Title	Synthesis and Reactivity of a Mononuclear Manganese(II) Complex Having Pseudo-Seven Coordination Environment
Author	Jeehee Yoon, Mi Sook Seo, Youngmee Kim, Sung Jin Kim, Sungho Yoon, Ho G Jang, Wonwoo Nam*
Keywords	Bioinorganic chemistry, Seven coordination, High-valent manganese-oxo, Oxygenation, N-Dealkylation
Abstract	Utilizing a planar five coordinating N3S2 ligand, 2,6-bis(2-methylthiophenyliminomethyl)pyridine, a pseudo 7-coordinated manganese(II) complex with two labile triflate anions in the axial positions was synthesized. The reaction of the manganese(II) complex with an oxidant, iodosylbenzene, produced a metastable high-valent manganese(IV)-oxo species at 0℃. The high-valent Mn(IV)-oxo intermediate was characterized with a UV-vis spectrophotometer and an electrospray ionization mass spectroscopy. Reactivity studies of the Mn(IV)=O species revealed that the intermediate is capable of oxygenating PPh₃ and N-dealkylating N,N-dimethyl-toludine.
Page	679 - 682
Full Text	PDF

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