Evidence map›Paper›PMID 34152135›Full record

ArticleJournal of the American Chemical Society2021

A Dichotomy in Cross-Coupling Site Selectivity in a Dihalogenated Heteroarene: Influence of Mononuclear Pd, Pd Clusters, and Pd Nanoparticles-the Case for Exploiting Pd Catalyst Speciation.

Neil W J Scott, Mark J Ford, Neda Jeddi, Anthony Eyles, Lauriane Simon, Adrian C Whitwood, Theo Tanner, Charlotte E Willans, Ian J S Fairlamb

Abstract read
In one paragraph

Article in Journal of the American Chemical Society, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 24 papers.

0numbers the graph read from it
0cells of the map it votes in
24citing 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

24 citing papers in PubMed.

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  11. Stereoselective synthesis of an advancedChemical communications (Cambridge, England) · 2024
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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.

Neil W J ScottDepartment of Chemistry, University of York, Heslington, York, North Yorkshire YO10 5DD, United Kingdom.
Mark J FordBayer AG, Alfred-Nobel-Strasse 50, 40789 Monheim, Germany.
Neda JeddiDepartment of Chemistry, University of York, Heslington, York, North Yorkshire YO10 5DD, United Kingdom.
Anthony EylesDepartment of Chemistry, University of York, Heslington, York, North Yorkshire YO10 5DD, United Kingdom.
Lauriane SimonDepartment of Chemistry, University of York, Heslington, York, North Yorkshire YO10 5DD, United Kingdom.
Adrian C WhitwoodDepartment of Chemistry, University of York, Heslington, York, North Yorkshire YO10 5DD, United Kingdom.ORCID 0000-0002-5132-5468
Theo TannerDepartment of Chemistry, University of York, Heslington, York, North Yorkshire YO10 5DD, United Kingdom.
Charlotte E WillansSchool of Chemistry, University of Leeds, Woodhouse Lane, Leeds LS2 9JT, United Kingdom.ORCID 0000-0003-0412-8821
Ian J S FairlambDepartment of Chemistry, University of York, Heslington, York, North Yorkshire YO10 5DD, United Kingdom.ORCID 0000-0002-7555-2761

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Site-selective dihalogenated heteroarene cross-coupling with organometallic reagents usually occurs at the halogen proximal to the heteroatom, enabled by intrinsic relative electrophilicity, particularly in strongly polarized systems. An archetypical example is the Suzuki-Miyaura cross-coupling (SMCC) of 2,4-dibromopyridine with organoboron species, which typically exhibit C2-arylation site-selectivity using mononuclear Pd (pre)catalysts. Given that Pd speciation, particularly aggregation, is known to lead to the formation of catalytically competent multinuclear Pd

Identifiers

PMID34152135
PMCPMC8297865

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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.