Evidence map›Paper›PMID 33635576›Full record

ArticleAngewandte Chemie (International ed. in English)2021

Cycloparaphenylene-Phenalenyl Radical and Its Dimeric Double Nanohoop*.

Yong Yang, Olivier Blacque, Sota Sato, Michal Juríček

Abstract read
In one paragraph

Article in Angewandte Chemie (International ed. in English), 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 20 papers.

0numbers the graph read from it
0cells of the map it votes in
20citing 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

20 citing papers in PubMed.

  1. Article
  2. π-Radical Cascades to Peri-Fused Triangulene Dimers.Angewandte Chemie (International ed. in English) · 2026
    Article
  3. Article
  4. Double encapsulation of COrganic chemistry frontiers : an international journal of organic chemistry · 2026
    Article
  5. Article
  6. Exploring the World of Double Nanohoops.Angewandte Chemie (International ed. in English) · 2026
    Review
  7. Synthesis of Enantiopure [3]Cyclorubicenes.Angewandte Chemie (International ed. in English) · 2026
    Article
  8. Size and Geometry Impact the Chiroptical Properties of Double Nanohoops.Journal of the American Chemical Society · 2025
    Article
  9. Article
  10. Article
  11. Article
  12. Article
  13. Bismacrocycle: Structures and Applications.Molecules (Basel, Switzerland) · 2023
    Review
  14. Article
  15. Article
  16. Article
  17. Article
  18. Review
  19. Article
  20. Cycloparaphenylene-Phenalenyl Radical and Its Dimeric Double Nanohoop*.Angewandte Chemie (International ed. in English) · 2021
    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

4 authors.

Yong YangDepartment of Chemistry, University of Zurich, Winterthurerstrasse 190, 8057, Zurich, Switzerland.ORCID http://orcid.org/0000-0002-8583-7752
Olivier BlacqueDepartment of Chemistry, University of Zurich, Winterthurerstrasse 190, 8057, Zurich, Switzerland.ORCID http://orcid.org/0000-0001-9857-4042
Sota SatoDepartment of Applied Chemistry, The University of Tokyo, Hongo, Bunkyo-ku, Tokyo, 113-8656, Japan.ORCID http://orcid.org/0000-0002-7395-2112
Michal JuríčekDepartment of Chemistry, University of Zurich, Winterthurerstrasse 190, 8057, Zurich, Switzerland.ORCID http://orcid.org/0000-0001-5595-431X

Funding

H2020 European Research Council ERC Starting Grant, 716139Schweizerischer Nationalfonds zur Förderung der Wissenschaftlichen Forschung PP00P2_170534
6 · The paper itself

Abstract

The first example of a neutral spin-delocalized carbon-nanoring radical was achieved by integration of the open-shell phenalenyl unit into cycloparaphenylene (CPP). Spin distribution in this hydrocarbon is localized primarily on the phenalenyl segment and partially on the CPP segment as a consequence of steric and electronic effects. The resulting geometry is reminiscent of a diamond ring, with pseudo-perpendicular arrangement of the radial and the planar π-surface. The phenylene rings attached directly to the phenalenyl unit give rise to a steric effect that governs a highly selective dimerization pathway, yielding a giant double nanohoop. Its π-framework made of 158 sp

Indexed as

cycloparaphenylenefluorescencenanohoopphenalenylspin-delocalization

Identifiers

PMID33635576
PMCPMC8252656

What OpenQuestion holds

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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.