Evidence map›Paper›PMID 30746104›Full record

ArticleChemical science2019

Single-molecule photoredox catalysis.

Josef Haimerl, Indrajit Ghosh, Burkhard König, Jan Vogelsang, John M Lupton

Abstract read
In one paragraph

Article in Chemical science, 2019. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 17 papers.

0numbers the graph read from it
0cells of the map it votes in
17citing papers in PubMed
–field-weighted citation impact
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

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.

2 · The registry

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.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

17 citing papers in PubMed.

  1. Article
  2. Dicyanopyrazine: 10th Anniversary in Photoredox Catalysis.Chemical record (New York, N.Y.) · 2025
    Article
  3. Article
  4. Article
  5. Article
  6. Article
  7. Photoredox catalysisChemical science · 2022
    Article
  8. Article
  9. Article
  10. Article
  11. Excited State Anions in Organic Transformations.Angewandte Chemie (International ed. in English) · 2021
    Review
  12. Flow Photochemistry as a Tool in Organic Synthesis.Chemistry (Weinheim an der Bergstrasse, Germany) · 2020
    Review
  13. Article
  14. Aryl dechlorination and defluorination with an organic super-photoreductant.Photochemical & photobiological sciences : Official journal of the European Photochemistry Association and the European Society for Photobiology · 2020
    Article
  15. Article
  16. Article
  17. Article
4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

5 authors.

Josef HaimerlInstitut für Experimentelle und Angewandte Physik , Universität Regensburg , 93040 Regensburg , Germany . Email: john.lupton@ur.de.
Indrajit GhoshInstitut für Organische Chemie , Universität Regensburg , 93040 Regensburg , Germany.
Burkhard KönigInstitut für Organische Chemie , Universität Regensburg , 93040 Regensburg , Germany.ORCID 0000-0002-6131-4850
Jan VogelsangInstitut für Experimentelle und Angewandte Physik , Universität Regensburg , 93040 Regensburg , Germany . Email: john.lupton@ur.de.
John M LuptonInstitut für Experimentelle und Angewandte Physik , Universität Regensburg , 93040 Regensburg , Germany . Email: john.lupton@ur.de.ORCID 0000-0002-7899-7598

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

The chemistry of life is founded on light, so is it appropriate to think of light as a chemical substance? Planck's quantization offers a metric analogous to Avogadro's number to relate the number of particles to an effective reaction of single molecules and photons to form a new compound. A rhodamine dye molecule serves as a dehalogenating photocatalyst in a consecutive photoelectron transfer (conPET) process which adds the energy of two photons, with the first photon inducing radical formation and the second photon triggering PET to the substrate molecule. Rather than probing catalytic heterogeneity and dynamics on the single-molecule level, single-photon synthesis is demonstrated: the light quantum constitutes a reactant for the single substrate molecule in a dye-driven reaction. The approach illustrates that molecular diffusion and excited-state internal conversion are not limiting factors in conPET reaction kinetics because of catalyst-substrate preassociation. The effect could be common to photoredox catalysis, removing the conventional requirement of long excited-state lifetimes.

Identifiers

PMID30746104
PMCPMC6340401

What OpenQuestion holds

Textmetadata
LicenceCC BY-NC
Read underepoch 390

Registered trials

None linked

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.