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Structure and properties of a nonheme pentacoordinate iron(II) complex with a macrocyclic triazapyridinophane ligand

Title
Structure and properties of a nonheme pentacoordinate iron(II) complex with a macrocyclic triazapyridinophane ligand
Authors
You, MinyoungSeo, Mi SookKim, Kwan MookNam, WonwooKim, Jinheung
Ewha Authors
남원우김관묵김진흥서미숙
SCOPUS Author ID
남원우scopus; 김관묵scopus; 김진흥scopus
Issue Date
2006
Journal Title
BULLETIN OF THE KOREAN CHEMICAL SOCIETY
ISSN
0253-2964JCR Link
Citation
vol. 27, no. 8, pp. 1140 - 1144
Keywords
mononuclear iron(II) complexmacrocyclic ligandnonhemecatalytic oxidation
Publisher
KOREAN CHEMICAL SOC
Indexed
SCI; SCIE; SCOPUS; KCI WOS scopus
Abstract
A macrocyclic ligand, N,N',N ''-tribenzyl-2,11,20-triaza[3,3,3](2,6)pyridinophane (BAPP), was used to prepare an iron(H) complex as a nonheme model complex, [(BAPP)Fe] 2 (1). X-ray crystallography of a colorless crystal of 1 revealed that BAPP acted as a pentadentate ligand due to geometrical strain for the formation of a six-coordinate iron(II) complex by BAPP. As a result, the iron center revealed a significantly distorted square pyramidal geometry similar to that found in the active site of taurine dioxygenase (tauD). In the reaction of I with PhIO, no intermediate was observed in the UV-visible region of spectrometer at low temperatures. Catalytic oxidations of triphenyl phosphine with PhIO at -40 degrees C revealed that 1 was able to convert triphenyl phosphine to triphenyl phosphine oxide. Thioanisole was also oxidized to the corresponding methylphenyl sulfoxide under the same conditions.
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자연과학대학 > 화학·나노과학전공 > Journal papers
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