ArticleChemistry (Weinheim an der Bergstrasse, Germany)2016
Dioxygen Activation by a Macrocyclic Copper Complex Leads to a Cu2O2 Core with Unexpected Structure and Reactivity.
Article in Chemistry (Weinheim an der Bergstrasse, Germany), 2016. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 8 papers.
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Who cites it
8 citing papers in PubMed.
- Tuning Reactivity in Cu/TEMPO Catalyzed Alcohol Oxidation Reactions.Chemistry, an Asian journal · 2025Article
- Crown-hydroxylamines are pH-dependent chelating N,O-ligands with a potential for aerobic oxidation catalysis.Nature communications · 2023Article
- Memo1 binds reduced copper ions, interacts with copper chaperone Atox1, and protects against copper-mediated redox activity in vitro.Proceedings of the National Academy of Sciences of the United States of America · 2022Article
- Encapsulation of tricopper cluster in a synthetic cryptand enables facile redox processes from CuChemical science · 2020Article
- A merged copper(I/II) cluster isolated from Glaser coupling.Nature communications · 2019Article
- Copper-Promoted Functionalization of Organic Molecules: from Biologically Relevant Cu/OChemical reviews · 2019Review
- High-valent copper in biomimetic and biological oxidations.Journal of biological inorganic chemistry : JBIC : a publication of the Society of Biological Inorganic Chemistry · 2017Review
- Factors That Control the Reactivity of Cobalt(III)-Nitrosyl Complexes in Nitric Oxide Transfer and Dioxygenation Reactions: A Combined Experimental and Theoretical Investigation.Journal of the American Chemical Society · 2016Article
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7 authors.
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Abstract
We report the Cu(I)/O2 chemistry of complexes derived from the macrocylic ligands 14-TMC (1,4,8,11-tetramethyl-1,4,8,11-tetraazacyclotetradecane) and 12-TMC (1,4,7,10-tetramethyl-1,4,7,10-tetraazacyclododecane). While [(14-TMC)Cu(I)](+) is unreactive towards dioxygen, the smaller analog [(12-TMC)Cu(I)(CH3CN)](+) reacts with O2 to give a side-on bound peroxo-dicopper(II) species ((S)P), confirmed by spectroscopic and computational methods. Intriguingly, 12-TMC as a N4 donor ligand generates (S)P species, thus in contrast with the previous observation that such species are generated by N2 and N3 ligands. In addition, the reactivity of this macrocyclic side-on peroxo-dicopper(II) differs from typical (S)P species, because it reacts only with acid to release H2O2, in contrast with the classic reactivity of Cu2O2 cores. Kinetics and computations are consistent with a protonation mechanism whereby the TMC acts as a hemilabile ligand and shuttles H(+) to an isomerized peroxo core.
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