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Creators/Authors contains: "Lopez, Lauren M."

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  1. ; ; ; ; ; ; ; ; ( , European Journal of Inorganic Chemistry)
    Abstract

    A family of cerium complexes featuring a redox‐active ligand in different oxidation states has been synthesized, including the the iminosemiquinone (isq)1−compound, Ce(dippisq)3(1‐Ceisq), and the amidophenolate (ap)2−species CeIII(dippap)3K3(2‐Ceap), [CeIII(dippap)3K][K(18‐c‐6)]2(2‐Ceap 18c6), and [CeIII(dippap)3K][K(15‐c‐5)2]2(2‐Ceap 15c5). Treating2‐Ceap 15c5with dioxogen furnishes the cerium(IV) derivative [CeIV(dippap)3][K(15‐c‐5)2]2(3‐Ceap 15c5), and an analogous synthesis can be used to generate [CeIV(dippap)3][K(crypt)]2(3‐Ceap crypt). Similarly, addition of hexamethyldisiloxane produces an interesting bis(amidophenolate) species, [(Me3SiO)2CeIV(dippap)2][K(15‐c‐5)2]2(4‐CeOSiMe3). Full spectroscopic and structural characterization of each derivative was performed to establish the oxidation states of both the ligands and the cerium ions.

     
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  2. ; ; ; ; ; ; ( , Inorganic Chemistry)