Evidence map›Paper›PMID 40624059›Full record

ArticleNature communications2025

From 18- to 20-electron ferrocene derivatives via ligand coordination.

Satoshi Takebayashi, Jama Ariai, Sergey V Kartashov, Robert R Fayzullin, Tomoko Onoue, Ko Mibu, Hyung-Been Kang, Noriko Ishizu

Abstract read
In one paragraph

Article in Nature communications, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 2 papers.

0numbers the graph read from it
0cells of the map it votes in
2citing 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

2 citing papers in PubMed.

  1. The Missing Link in Ferrocenophane Chemistry: Isolation of a Carba[1]Ferrocenophane.Angewandte Chemie (International ed. in English) · 2026
    Article
  2. 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

8 authors.

Satoshi TakebayashiOrganometallic Chemistry Group, Okinawa Institute of Science and Technology Graduate University, Onna-son, Japan. satoshi.takebayashi@oist.jp.ORCID http://orcid.org/0000-0002-0647-3365
Jama Ariai *Institute of Organic Chemistry, Justus Liebig University Giessen, Giessen, Germany.ORCID http://orcid.org/0000-0003-3083-3663
Sergey V Kartashov *Arbuzov Institute of Organic and Physical Chemistry, FRC Kazan Scientific Center, Russian Academy of Sciences, Kazan, Russian Federation.ORCID http://orcid.org/0000-0003-3875-1953
Robert R FayzullinArbuzov Institute of Organic and Physical Chemistry, FRC Kazan Scientific Center, Russian Academy of Sciences, Kazan, Russian Federation. robert.fayzullin@gmail.com.ORCID http://orcid.org/0000-0002-3740-9833
Tomoko OnoueGraduate School of Engineering, Nagoya Institute of Technology, Nagoya, Japan.
Ko MibuGraduate School of Engineering, Nagoya Institute of Technology, Nagoya, Japan.ORCID http://orcid.org/0000-0002-6416-1028
Hyung-Been KangEngineering Section, Okinawa Institute of Science and Technology Graduate University, Onna-son, Japan.ORCID http://orcid.org/0000-0002-7500-8491
Noriko IshizuEngineering Section, Okinawa Institute of Science and Technology Graduate University, Onna-son, Japan.

Funding

MEXT | Japan Society for the Promotion of Science (JSPS) 22K05134MEXT | Japan Society for the Promotion of Science (JSPS) Program for Forming Japan's Peak Research Universities
6 · The paper itself

Abstract

The 18-electron rule is a fundamental rule in coordination chemistry on which several revolutionary discoveries in catalysis and materials science are founded. This rule has classes of exceptions; however, it is widely taught and accepted that diamagnetic 18-electron complexes do not coordinate to a ligand to form a 20-electron complex even as a reaction intermediate. Here, based on tunable ligand design, we report the formation of 20-electron ferrocene derivatives through reversible nitrogen coordination to 18-electron analogs. Through theoretical studies, we have elucidated key features that enabled this coordination chemistry and how the nitrogen coordination shifts the metal-ligand bonding characters. These 20-electron ferrocene derivatives exhibit reversible Fe

Identifiers

PMID40624059
PMCPMC12234732

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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.