Evidence map›Paper›PMID 40420655›Full record

ArticleAngewandte Chemie (International ed. in English)2025

Helicenes with Four Helical Turns: Dimerization of [13]Helicenes to [27]Helicenoids.

Matea Sršen, Stephan K Pedersen, Tomislav Rožić, Arianna Lanza, Michael Pittelkow

Abstract read
In one paragraph

Article in Angewandte Chemie (International ed. in English), 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 4 papers.

0numbers the graph read from it
0cells of the map it votes in
4citing 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

4 citing papers in PubMed.

  1. Enhancement of Dissymmetry Factors Through Axial Elongation of Hetero[n]helicenes.Angewandte Chemie (International ed. in English) · 2026
    Article
  2. Article
  3. Review
  4. Helicenes with Four Helical Turns: Dimerization of [13]Helicenes to [27]Helicenoids.Angewandte Chemie (International ed. in English) · 2025
    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.

Matea SršenDepartment of Chemistry, University of Copenhagen, Universitetsparken 5, Copenhagen Ø, DK2100, Denmark.
Stephan K PedersenDepartment of Chemistry, University of Copenhagen, Universitetsparken 5, Copenhagen Ø, DK2100, Denmark.
Tomislav RožićDepartment of Chemistry, University of Copenhagen, Universitetsparken 5, Copenhagen Ø, DK2100, Denmark.
Arianna LanzaDepartment of Chemistry, University of Copenhagen, Universitetsparken 5, Copenhagen Ø, DK2100, Denmark.
Michael PittelkowDepartment of Chemistry, University of Copenhagen, Universitetsparken 5, Copenhagen Ø, DK2100, Denmark.ORCID https://orcid.org/0000-0002-3371-9500

Funding

Danish Council for Independent Research 4181-00206Danish Council for Independent Research 9040-00265European Research Council 865870Novo Nordisk Foundation Research Infrastructure NNF220C0074439
6 · The paper itself

Abstract

The promise of enhanced circularly polarized luminescence (CPL) from organic molecules has inspired synthetic efforts to prepare elongated multi-layer helicenes. It has proven particularly challenging to synthesize and isolate enantiomerically pure multi-turn helicenes, and consequently, clear guidelines for the molecular design of helicenes to achieve large CPL output remain elusive. We explore the oxidative dimerization of a 2-naphthol-annulated hetero[13]helicene, and observe the formation of two types of structurally distinct hetero[27]helicenes, both with four helical turns, form. With Cu

Indexed as

ChiralityHelicenesNon‐planar aromaticsStructure–property relationshipsSynthetic methods

Identifiers

PMID40420655
PMCPMC12258660

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.