Evidence map›Paper›PMID 36320466›Full record

ArticleChemical science2022

Atom and step economical synthesis of acyclic quaternary centers

Phillippa Cooper, Andrew G Dalling, Elliot H E Farrar, Timothy P Aldhous, Simon Grélaud, Eleanor Lester, Lyman J Feron, Paul D Kemmitt, Matthew N Grayson, John F Bower

Abstract read
In one paragraph

Article in Chemical science, 2022. 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. Article
  2. Article
  3. The Discovery and Development of an Iridium-Catalyzed N→C Alkyl Transfer Reaction.Angewandte Chemie (International ed. in English) · 2025
    Article
  4. 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

10 authors.

Phillippa CooperSchool of Chemistry, University of Bristol Bristol BS8 1TS UK.
Andrew G DallingSchool of Chemistry, University of Bristol Bristol BS8 1TS UK.
Elliot H E FarrarDepartment of Chemistry, University of Bath Bath BA2 7AY UK M.N.Grayson@bath.ac.uk.ORCID https://orcid.org/0000-0003-3350-2907
Timothy P AldhousSchool of Chemistry, University of Bristol Bristol BS8 1TS UK.ORCID https://orcid.org/0000-0003-2031-7454
Simon GrélaudSchool of Chemistry, University of Bristol Bristol BS8 1TS UK.
Eleanor LesterSchool of Chemistry, University of Bristol Bristol BS8 1TS UK.
Lyman J FeronMedicinal Chemistry, Oncology, IMED Biotech Unit, AstraZeneca Cambridge UK.
Paul D KemmittMedicinal Chemistry, Oncology, IMED Biotech Unit, AstraZeneca Cambridge UK.
Matthew N GraysonDepartment of Chemistry, University of Bath Bath BA2 7AY UK M.N.Grayson@bath.ac.uk.ORCID https://orcid.org/0000-0003-2116-7929
John F BowerDepartment of Chemistry, University of Liverpool Crown Street Liverpool L69 7ZD UK john.bower@liverpool.ac.uk.ORCID https://orcid.org/0000-0002-7551-8221

Funding

European Research Council 639594
6 · The paper itself

Abstract

Quaternary benzylic centers are accessed with high atom and step economy by Ir-catalyzed alkene hydroarylation. These studies provide unique examples of the use of non-polarized 1,1-disubstituted alkenes in branch selective Murai-type hydro(hetero)arylations. Detailed mechanistic studies have been undertaken, and these indicate that the first irreversible step is the demanding alkene carbometallation process. Structure-reactivity studies show that the efficiency of this is critically dependent on key structural features of the ligand. Computational studies have been undertaken to rationalize this experimental data, showing how more sterically demanding ligands reduce the reaction barrier

Identifiers

PMID36320466
PMCPMC9516889

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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.