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ArticleMedicinal chemistry (Shariqah (United Arab Emirates))2026

Discovering the Cholinesterase Inhibitory Potential of Thiosemicarbazone Derivatives through

Manel Essid, Aftab Alam, Ghulam Fareed, Sudais Rahman, Imtiaz Ahmad, Imen Zghab, Zainab Hassan Alnakhli, Abid Ali, Masroor Kamal, Momin Khan

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Article in Medicinal chemistry (Shariqah (United Arab Emirates)), 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 3 papers.

0numbers the graph read from it
0cells of the map it votes in
3citing papers in PubMed
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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

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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

3 citing papers in PubMed.

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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

10 authors.

Manel EssidDepartment of Chemistry, College of Science, King Khalid University (KKU), Abha 61413, P.O. Box 9004, Saudi Arabia.
Aftab AlamDepartment of Chemistry, University of Malakand, Chakdara, Lower Dir, 18800, Pakistan.ORCID 0000-0003-0475-2376
Ghulam FareedPharmaceutical Research Centre, PCSIR Laboratories Complex, Karachi, Pakistan.
Sudais RahmanDepartment of Zoology, Abdul Wali Khan University, Mardan, 23200, Pakistan.
Imtiaz AhmadPrograma de Pós-Graduação em Bioquímica e Bioprospecção, Universidade Federal de Pelotas, Campus Universitário Capão do Leão S/N, Pelotas, RS CEP 96010-900, Brazil.
Imen ZghabDepartment of Physical Sciences, Chemistry Division, College of Science, Jazan University, P.O. Box 114, Jazan, 45142, Kingdom of Saudi Arabia.
Zainab Hassan AlnakhliDepartment of Chemistry, Faculty of Science and Humanities, Shaqra University, P.O. Box 33, Dawadmi, 17452, Saudi Arabia.
Abid AliDepartment of Zoology, Abdul Wali Khan University, Mardan, 23200, Pakistan.
Masroor KamalCollege of Bionic Science and Agriculture Engineering, Jilin University, Changchun, 130025, People's Republic of China.
Momin KhanDepartment of Chemistry, Abdul Wali Khan University, Mardan, 23200, Pakistan.

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

backgroundThe current study explored the cholinesterase inhibitory activities of some thiosemicarbazone derivatives bearing 2,4-dichloro phenylacetic acid scaffold.

objectiveThis study aimed to screen the synthesized derivatives for their in vitro acetylcholine and butyrylcholinesterase inhibition.

methodsThese compounds were synthesized by refluxing 2,4-dichloro phenylacetic acid with sulfuric acid in ethanol to get the ester, which was further refluxed with thiosemicarbazide in ethanol to get the desired compound (2). Different benzaldehydes were treated with compound (2) in ethanol having a catalytic amount of acetic acid to get thiosemicarbazones.

resultsIn the series, seven compounds, including compounds 2c, 2a, 2b, 2d, 2g, 2e, and 2f, displayed excellent acetylcholinesterase inhibition activities in the range of IC

conclusionThese derivatives exhibited superior acetylcholinesterase and butyrylcholinesterase inhibitory activities compared to galantamine, with molecular docking and dynamic simulations confirming their strong binding affinity with the active sites of the enzymes.

Indexed as

AcetylcholinesteraseButyrylcholinesteraseCholinesterase InhibitorsMolecular Docking SimulationThiosemicarbazonesAnimalsDose-Response Relationship, DrugHumansKineticsMolecular Dynamics SimulationMolecular StructureStructure-Activity RelationshipAcetylcholinesteraseButyrylcholinesteraseCholinesterase InhibitorsThiosemicarbazonesAcetylcholinesterasebutyrylcholinesterasegalantamineMD simulationmolecular dockingthiosemicarbazone

Identifiers

PMID40357792

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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.