Evidence map›Paper›PMID 35494133›Full record

ArticleRSC advances2021

Bis-cyclometalated iridium(iii) complexes with terpyridine analogues: syntheses, structures, spectroscopy and computational studies.

Haleema Y Otaif, Samuel J Adams, Peter N Horton, Simon J Coles, Joseph M Beames, Simon J A Pope

Abstract read
In one paragraph

Article in RSC advances, 2021. 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
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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

6 authors.

Haleema Y OtaifSchool of Chemistry, Main Building, Cardiff University Cardiff CF10 3AT UK popesj@cardiff.ac.uk.
Samuel J AdamsSchool of Chemistry, Main Building, Cardiff University Cardiff CF10 3AT UK popesj@cardiff.ac.uk.
Peter N HortonUK National Crystallographic Service, Chemistry, Faculty of Natural and Environmental Sciences, University of Southampton Highfield Southampton SO17 1BJ England.
Simon J ColesUK National Crystallographic Service, Chemistry, Faculty of Natural and Environmental Sciences, University of Southampton Highfield Southampton SO17 1BJ England.ORCID https://orcid.org/0000-0001-8414-9272
Joseph M BeamesSchool of Chemistry, Main Building, Cardiff University Cardiff CF10 3AT UK popesj@cardiff.ac.uk.
Simon J A PopeSchool of Chemistry, Main Building, Cardiff University Cardiff CF10 3AT UK popesj@cardiff.ac.uk.ORCID https://orcid.org/0000-0001-9110-9711

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Two ligands based upon a 2,6-disubstituted pyridine bridge introduce bis-quinoxalinyl units in a fashion that yields analogues to the archetypal terdentate ligand, 2,2':6',2''-terpyridine. The ligands were synthesised from the key intermediate 2,6-bis(bromoacetyl)pyridine: a new, high-yielding route is described for this reagent. Two ligand variants (differentiated by H/Me substituents on the quinoxaline ring) were explored as coordinating moieties for iridium(iii) in the development of luminescent complexes. Computational studies (DFT approaches employing B3LYP, B3LYP/LANL2DZ, and M062X/LANL2DZ levels) were used to investigate the geometric and coordination mode preferences of the new ligands and two possibilities arose from theoretical investigations: [Ir(N^N^N)

Identifiers

PMID35494133
PMCPMC9044569

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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.