| Keyword search (4,164 papers available) | ![]() |
"J Am Chem Soc" Category Publications:
| Title | Authors | PubMed ID | |
|---|---|---|---|
| 1 | Five Nitrogen Oxidation States from Nitro to Amine: Stabilization and Reactivity of a Metastable Arylhydroxylamine Complex. | Zsombor-Pindera J; Effaty F; Escomel L; Patrick B; Kennepohl P; Ottenwaelder X; | 33124796 CHEMBIOCHEM |
| 2 | Scavenging with TEMPO* to identify peptide- and protein-based radicals by mass spectrometry: advantages of spin scavenging over spin trapping. | Wright PJ, English AM | 12848573 CHEMBIOCHEM |
| 3 | Superoxide dismutase targets NO from GSNO to Cysbeta93 of oxyhemoglobin in concentrated but not dilute solutions of the protein. | Romeo AA, Capobianco JA, English AM | 14624585 CHEMBIOCHEM |
| 4 | Lipid binding to the carotenoid binding site in photosynthetic reaction centers. | Deshmukh SS, Tang K, Kálmán L | 21894992 PHYSICS |
| 5 | LC-MS/MS Proteoform Profiling Exposes Cytochrome c Peroxidase Self-Oxidation in Mitochondria and Functionally Important Hole Hopping from Its Heme | Kathiresan M; English AM; | 30145880 CHEMBIOCHEM |
| Title: | Five Nitrogen Oxidation States from Nitro to Amine: Stabilization and Reactivity of a Metastable Arylhydroxylamine Complex. | ||||
| Authors: | Zsombor-Pindera J, Effaty F, Escomel L, Patrick B, Kennepohl P, Ottenwaelder X | ||||
| Link: | https://www.ncbi.nlm.nih.gov/pubmed/33124796 | ||||
| DOI: | 10.1021/jacs.0c09300 | ||||
| Publication: | Journal of the American Chemical Society | ||||
| Keywords: | |||||
| PMID: | 33124796 | Category: | J Am Chem Soc | Date Added: | 2020-10-31 |
| Dept Affiliation: |
CHEMBIOCHEM
1 Department of Chemistry and Biochemistry, Concordia University, Montreal, QC H4B 1R6, Canada. 2 Department of Chemistry, University of British Columbia, Vancouver, BC V6T 1Z1, Canada. |
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Description: |
Redox noninnocent ligands enhance the reactivity of the metal they complex, a strategy used by metalloenzymes and in catalysis. Herein, we report a series of copper complexes with the same ligand framework, but with a pendant nitrogen group that spans five different redox states between nitro and amine. Of particular interest is the synthesis of a unprecedented copper(I)-arylhydroxylamine complex. While hydroxylamines typically disproportionate or decompose in the presence of transition metal ions, the reactivity of this metastable species is arrested by the presence of an intramolecular hydrogen bond. Two-electron oxidation yields a copper(II)-(arylnitrosyl radical) complex that can dissociate to a copper(I) species with uncoordinated arylnitroso. This combination of ligand redox noninnocence and hemilability provides opportunities in catalysis for two-electron chemistry via a one-electron copper(I/II) shuttle, as exemplified with an aerobic alcohol oxidation. PMID: 33124796 [PubMed - as supplied by publisher] |



