Expression of concern: Recyclable mesalamine-functionalized magnetic nanoparticles (mesalamine/GPTMS@SiO2@Fe3O4) for tandem Knoevenagel–Michael cyclocondensation: grinding technique for the synthesis of biologically active 2-amino-4H-benzo[b]pyran derivatives
Mahdiyeh Partovi, Sobhan Rezayati, Ali Ramazani, Yavar Ahmadi, Hooman Taherkhani
TL;DR
This paper addresses concerns about a study on using magnetic nanoparticles for a chemical reaction to make biologically active compounds.
Contribution
The paper raises an expression of concern regarding the original study's methodology or findings.
Findings
The paper highlights potential issues with the original research on magnetic nanoparticle synthesis.
It questions the validity or reproducibility of the reported chemical reaction results.
Abstract
Expression of concern for ‘Recyclable mesalamine-functionalized magnetic nanoparticles (mesalamine/GPTMS@SiO2@Fe3O4) for tandem Knoevenagel–Michael cyclocondensation: grinding technique for the synthesis of biologically active 2-amino-4H-benzo[b]pyran derivatives’ by Mahdiyeh Partovi et al., RSC Adv., 2023, 13, 33566–33587, https://doi.org/10.1039/D3RA06560J.
Genes, proteins, chemicals, diseases, species, mutations and cell lines named across the full text — each resolved to its canonical identifier and authoritative record.
- —Iran National Science Foundation10.13039/501100003968
- —University of Zanjan10.13039/501100008854
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Taxonomy
TopicsMulticomponent Synthesis of Heterocycles · Chemical Synthesis and Analysis · Synthetic Organic Chemistry Methods
The Royal Society of Chemistry is publishing this expression of concern in order to alert readers that concerns have been raised regarding the reliability of the XRD data in Fig. 2.
The Royal Society of Chemistry has asked the affiliated institution to investigate this matter and establish whether the data provided by the authors provide an accurate representation of the experiments that were conducted and to confirm the integrity and reliability of the data provided.
An expression of concern will continue to be associated with the article until we receive conclusive evidence regarding the reliability of the reported data.
Laura Fisher
28th February 2025
Executive Editor, RSC Advances