Publications by authors named "Chelsea G Comadoll"
The 2,2'-bipyridyl-6,6'-dicarboxylate ligand () has been shown in prior work to effectively capture the uranyl(VI) ion, UO, from aqueous solutions. However, the redox properties of the uranyl complex of this ligand have not been addressed despite the relevance of uranium-centered reduction to the nuclear fuel cycle and the presence of a bipyridyl core in , a motif long recognized for its ability to support redox chemistry. Here, the complex of UO () has been synthetically prepared and isolated under nonaqueous conditions for the study of its reductive chemical and electrochemical behavior.
View Article and Find Full Text PDFNew methods for C-N bond construction exploiting the N-centered electrophilic character of iminoquinones are reported. Iminoquinones, generated via the condensation of -vinylanilines with benzoquinones, undergo acid-catalyzed cyclization to afford -arylindoles in excellent yields. Under similar reaction conditions, homoallylic amines react analogously to afford -arylpyrroles.
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- The study focuses on creating multimetallic compounds using organometallic half-sandwich [Cp*M] fragments (where M is Rh or Ir) integrated into metallomacrocyclic structures, overcoming challenges like reagent incompatibility.
- Researchers synthesized six new heterobimetallic compounds, utilizing specific reactions with Ni(II) or Co(III) complexes alongside [Cp*M] pieces, confirmed by solid-state X-ray diffraction analysis.
- The findings highlight the distinct geometrical preferences of Ni(II) and Co(III) centers and reveal how the proximity of different metals affects their properties, demonstrating a successful method for assembling complex metal structures.
Article Synopsis
- Recent advancements in dual-catalytic strategies for decarboxylative elimination of carboxylic acids are gaining interest.
- Our lab's previous work introduced a photoredox/cobaloxime dual catalytic method to synthesize enamides and enecarbamates from N-acyl amino acids without the need for stoichiometric reagents.
- Ongoing developments have enhanced this transformation's effectiveness and yielded new insights into the reaction mechanism, which could help expand the application of photoredox/cobalt dual-catalytic systems.