ArticleChemical science2012
Photochemical Tyrosine Oxidation with a Hydrogen-Bonded Proton Acceptor by Bidirectional Proton-Coupled Electron Transfer.
Article in Chemical science, 2012. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 8 papers.
What it found
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
The trial behind it
Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.
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Who cites it
8 citing papers in PubMed.
- Multisite Proton-Coupled Electron Transfer Facilitates Oxidative Photocatalysis in a Molecular Zr-Based Coordination Compound.Angewandte Chemie (International ed. in English) · 2025Article
- Photoradical-Mediated Catalyst-Independent Protein Cross-Link with Unusual Fluorescence Properties.Chembiochem : a European journal of chemical biology · 2023Article
- Tyrosine residues initiated photopolymerization in living organisms.Nature communications · 2023Article
- Shallow Distance Dependence for Proton-Coupled Tyrosine Oxidation in Oligoproline Peptides.Journal of the American Chemical Society · 2020Article
- Excited-state proton-coupled electron transfer within ion pairs.Chemical science · 2020Article
- Tuning Radical Relay Residues by Proton Management Rescues Protein Electron Hopping.Journal of the American Chemical Society · 2019Article
- Proton-Coupled Electron Transfer in Organic Synthesis: Fundamentals, Applications, and Opportunities.Topics in current chemistry (Cham) · 2016Review
- Catalytic Alkene Carboaminations Enabled by Oxidative Proton-Coupled Electron Transfer.Journal of the American Chemical Society · 2015Article
Corrections and comments
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Authors and funding
3 authors.
Funding
Abstract
Amino acid radical generation and transport are fundamentally important to numerous essential biological processes to which small molecule models lend valuable mechanistic insights. Pyridyl-amino acid-methyl esters are appended to a rhenium(I) tricarbonyl 1,10-phenanthroline core to yield rhenium-amino acid complexes with tyrosine ([Re]-Y-OH) and phenylalanine ([Re]-F). The emission from the [Re] center is more significantly quenched for [Re]-Y-OH upon addition of base. Time-resolved studies establish that excited-state quenching occurs by a combination of static and dynamic mechanisms. The degree of quenching depends on the strength of the base, consistent with a proton-coupled electron transfer (PCET) quenching mechanism. Comparative studies of [Re]-Y-OH and [Re]-F enable a detailed mechanistic analysis of a bidirectional PCET process.
Identifiers
What OpenQuestion holds
Registered trials
Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.