Evidence map›Paper›PMID 36495528›Full record

ArticleAngewandte Chemie (International ed. in English)2023

Electronic Control of the Scholl Reaction: Selective Synthesis of Spiro vs Helical Nanographenes.

Patricia Izquierdo-García, Jesús M Fernández-García, Josefina Perles, Israel Fernández, Nazario Martín

Abstract read
In one paragraph

Article in Angewandte Chemie (International ed. in English), 2023. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 12 papers.

0numbers the graph read from it
0cells of the map it votes in
12citing 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

12 citing papers in PubMed.

  1. Nanographene-Based van der Waals Organic Framework With Permanent Porosity.Angewandte Chemie (International ed. in English) · 2026
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  12. Construction of hexabenzocoronene-based chiral nanographenes.Beilstein journal of organic chemistry · 2023
    Review
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.

Patricia Izquierdo-GarcíaDepartamento de Química Orgánica I, Facultad de Ciencias Químicas, Universidad Complutense de Madrid, Avd. de la Complutense, S/N, 28040, Madrid, Spain.ORCID http://orcid.org/0000-0002-5004-1375
Jesús M Fernández-GarcíaDepartamento de Química Orgánica I, Facultad de Ciencias Químicas, Universidad Complutense de Madrid, Avd. de la Complutense, S/N, 28040, Madrid, Spain.ORCID http://orcid.org/0000-0002-7366-6845
Josefina PerlesLaboratorio de Difracción de Rayos X de Monocristal, SIdI, Universidad Autónoma de Madrid, c/Francisco Tomás y Valiente, 7 Campus de Cantoblanco, 28049, Madrid, Spain.ORCID http://orcid.org/0000-0003-0256-0186
Israel FernándezDepartamento de Química Orgánica I, Facultad de Ciencias Químicas, Universidad Complutense de Madrid, Avd. de la Complutense, S/N, 28040, Madrid, Spain.ORCID http://orcid.org/0000-0002-0186-9774
Nazario MartínDepartamento de Química Orgánica I, Facultad de Ciencias Químicas, Universidad Complutense de Madrid, Avd. de la Complutense, S/N, 28040, Madrid, Spain.

Funding

Ministerio de Ciencia e Innovación PID2019-106184GB-I00Ministerio de Ciencia e Innovación PID2020-114653RB-I00Ministerio de Ciencia e Innovación RED2018-102387-TMinisterio de Ciencia e Innovación RED2018-102815-T
6 · The paper itself

Abstract

Scholl oxidation has become an essential reaction in the bottom-up synthesis of molecular nanographenes. Herein, we describe a Scholl reaction controlled by the electronic effects on the starting substrate (1 a, b). Anthracene-based polyphenylenes lead to spironanographenes under Scholl conditions. In contrast, an electron-deficient anthracene substrate affords a helically arranged molecular nanographene formed by two orthogonal dibenzo[fg,ij]phenanthro-[9,10,1,2,3-pqrst]pentaphene (DBPP) moieties linked through an octafluoroanthracene core. Density Functional Theory (DFT) calculations predict that electronic effects control either the first formation of spirocycles and subsequent Scholl reaction to form spironanographene 2, or the expected dehydrogenation reaction leading solely to the helical nanographene 3. The crystal structures of four of the new spiro compounds (syn 2, syn 9, anti 9 and syn 10) were solved by single crystal X-ray diffraction. The photophysical properties of the new molecular nanographene 3 reveal a remarkable dual fluorescent emission.

Indexed as

DFT CalculationsHelically Arranged NanographenesMolecular NanographenesScholl ReactionSpironanographenes

Identifiers

PMID36495528
PMCPMC10107473

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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.