Evidence map›Paper›PMID 34122945›Full record

ArticleChemical science2020

Rationalizing the diverse reactivity of [1.1.1]propellane through σ-π-delocalization.

Alistair J Sterling, Alexander B Dürr, Russell C Smith, Edward A Anderson, Fernanda Duarte

Abstract read
In one paragraph

Article in Chemical science, 2020. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 25 papers.

0numbers the graph read from it
0cells of the map it votes in
25citing 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

25 citing papers in PubMed.

  1. Article
  2. PhotocatalyticOrganic letters · 2026
    Article
  3. Hetero[3.1.1]propellanes.Nature chemistry · 2026
    Article
  4. Review
  5. Bicyclo[1.1.1]pentane Ketones via Friedel-Crafts Acylation.The Journal of organic chemistry · 2026
    Article
  6. Article
  7. Dibromocarbene addition to bicyclo[1.1.0]butanes: A facile route to substituted bicyclo[1.1.1]pentanes.Proceedings of the National Academy of Sciences of the United States of America · 2025
    Article
  8. Article
  9. Article
  10. Article
  11. Three-dimensional saturated C(spNature reviews. Chemistry · 2024
    Review
  12. Article
  13. Article
  14. Review
  15. Article
  16. Magnetic Shielding Analysis of Bonding in [1.1.1]Propellane.The journal of physical chemistry. A · 2023
    Article
  17. Article
  18. Article
  19. Article
  20. 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.

Alistair J SterlingChemistry Research Laboratory 12 Mansfield Road Oxford OX1 3TA UK edward.anderson@chem.ox.ac.uk fernanda.duartegonzalez@chem.ox.ac.uk.ORCID https://orcid.org/0000-0002-3571-1094
Alexander B DürrChemistry Research Laboratory 12 Mansfield Road Oxford OX1 3TA UK edward.anderson@chem.ox.ac.uk fernanda.duartegonzalez@chem.ox.ac.uk.ORCID https://orcid.org/0000-0001-8998-594X
Russell C SmithJanssen P.R.D. 3210 Merryfield Row San Diego California CA 92121 USA.
Edward A AndersonChemistry Research Laboratory 12 Mansfield Road Oxford OX1 3TA UK edward.anderson@chem.ox.ac.uk fernanda.duartegonzalez@chem.ox.ac.uk.ORCID https://orcid.org/0000-0002-4149-0494
Fernanda DuarteChemistry Research Laboratory 12 Mansfield Road Oxford OX1 3TA UK edward.anderson@chem.ox.ac.uk fernanda.duartegonzalez@chem.ox.ac.uk.ORCID https://orcid.org/0000-0002-6062-8209

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

[1.1.1]Propellane is the ubiquitous precursor to bicyclo[1.1.1]pentanes (BCPs), motifs of high value in pharmaceutical and materials research. The classical Lewis representation of this molecule places an inter-bridgehead C-C bond along its central axis; 'strain relief'-driven cleavage of this bond is commonly thought to enable reactions with nucleophiles, radicals and electrophiles. We propose that this broad reactivity profile instead derives from σ-π-delocalization of electron density in [1.1.1]propellane. Using

Identifiers

PMID34122945
PMCPMC8159217

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Registered trials

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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.