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Creators/Authors contains: "Karmalkar, Deepika G."

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  1. ; ; ; ; ; ; ; ; ; ( , Journal of the American Chemical Society)
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  2. ; ; ; ; ; ; ; ; ( , Angewandte Chemie International Edition)
    Abstract

    A mononuclear nonheme manganese(IV)–oxo complex binding the Ce4+ion, [(dpaq)MnIV(O)]+–Ce4+(1‐Ce4+), was synthesized by reacting [(dpaq)MnIII(OH)]+(2) with cerium ammonium nitrate (CAN).1‐Ce4+was characterized using various spectroscopic techniques, such as UV/Vis, EPR, CSI‐MS, resonance Raman, XANES, and EXAFS, showing an Mn−O bond distance of 1.69 Å with a resonance Raman band at 675 cm−1. Electron‐transfer and oxygen atom transfer reactivities of1‐Ce4+were found to be greater than those of MnIV(O) intermediates binding redox‐inactive metal ions (1‐Mn+). This study reports the first example of a redox‐active Ce4+ion‐bound MnIV‐oxo complex and its spectroscopic characterization and chemical properties.

     
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  3. ; ; ; ; ; ; ; ; ( , Angewandte Chemie)