Evidence map›Paper›PMID 42302117›Full record

ArticleAngewandte Chemie (International ed. in English)2026

Aethrene: A Stable Polycyclic Aromatic Hydrocarbon With a Triplet Ground State.

Junqin Xie, Ya Zou, Wen Ji, Lei Wang, Weiwei Niu, Yin Yang, Xiongwei Qu, Jishan Wu, Guangwu Li

Abstract read
PubMed Full text at PMC Publisher
In one paragraph

Article in Angewandte Chemie (International ed. in English), 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.

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

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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

0 citing papers in PubMed.

No citing paper in PubMed yet.

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

9 authors.

Junqin XieHebei Key Laboratory of Functional Polymers, School of Chemical Engineering, Hebei University of Technology, Beichen District, Tianjin, China.
Ya ZouDepartment of Chemistry, National University of Singapore, Singapore, Singapore.
Wen JiCenter of Single-Molecule Sciences, Academy for Advanced Interdisciplinary Studies, Tianjin Key Laboratory of Micro-Scale Optical Information Science and Technology, College of Electronic Information and Optical Engineering, Nankai University, Jinnan District, Tianjin, China.
Lei WangCenter of Single-Molecule Sciences, Academy for Advanced Interdisciplinary Studies, Tianjin Key Laboratory of Micro-Scale Optical Information Science and Technology, College of Electronic Information and Optical Engineering, Nankai University, Jinnan District, Tianjin, China.
Weiwei NiuCenter of Single-Molecule Sciences, Academy for Advanced Interdisciplinary Studies, Tianjin Key Laboratory of Micro-Scale Optical Information Science and Technology, College of Electronic Information and Optical Engineering, Nankai University, Jinnan District, Tianjin, China.
Yin YangState Key Laboratory of Elemento-Organic Chemistry, College of Chemistry, Nankai University, Nankai District, Tianjin, China.
Xiongwei QuHebei Key Laboratory of Functional Polymers, School of Chemical Engineering, Hebei University of Technology, Beichen District, Tianjin, China.
Jishan WuDepartment of Chemistry, National University of Singapore, Singapore, Singapore.ORCID https://orcid.org/0000-0002-8231-0437
Guangwu LiCenter of Single-Molecule Sciences, Academy for Advanced Interdisciplinary Studies, Tianjin Key Laboratory of Micro-Scale Optical Information Science and Technology, College of Electronic Information and Optical Engineering, Nankai University, Jinnan District, Tianjin, China.ORCID https://orcid.org/0000-0002-7387-023X

Funding

Hebei Provincial People's Government 246Z3707GMinistry of Education of the People's Republic of China 63223054Ministry of Education of the People's Republic of China 63233092Ministry of Education of the People's Republic of China 63243139Ministry of Education of the People's Republic of China 63253213Ministry of Education of the People's Republic of China 63261138Ministry of Education of the People's Republic of China 63261305Ministry of Science and Technology of the People's Republic of China 2024YFA1208100National Natural Science Foundation of China 22205117National Natural Science Foundation of China 22575129National Natural Science Foundation of China 22595394Singapore Ministry of Education MOE-000755-00The People's Government of Shenzhen Municipality JCYJ20240813165504006The People's Government of Tianjin Municipality 25JCYBJC01270
6 · The paper itself

Abstract

Owing to their unique electronic structures and magnetic properties, high-spin radicals have garnered significant interest in the fields of organic electronics and spintronics. Nevertheless, the high reactivity of high-spin radicals renders efficient synthesis and selective isolation of the species a formidable challenge. An aethrene derivative 2 with an A-shaped geometric skeleton was designed with a Clar structure of allylic radicals embedded with aromatic benzenoid rings, and two bulky steric substituents were introduced at the zigzag edges to endow the compound with excellent stability. 2 exhibits a 15.5-day half-life under ambient and light conditions. The structure of 2 was unequivocally confirmed through x-ray crystallographic analysis. Aethrene 2 was demonstrated to possess a triplet ground state through DFT calculations and experimental methods, including continuous wave and pulsed electron paramagnetic resonance and superconducting quantum interference device measurements. Notably, its dication was successfully obtained by in-situ oxidation with NO·SbF

Indexed as

aethreneallylic radicalsdiradicalpolycyclic aromatic hydrocarbontriplet ground state

Identifiers

PMID42302117
PMCPMC13480719

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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.