Retraction: Magnetic nanoparticles modified with a copper(i) complex as a novel and efficient reusable catalyst for A3 coupling leading to C–N bond formation

TL;DR

This paper is a retraction of a study that claimed a new reusable catalyst for chemical bond formation using copper-modified magnetic nanoparticles.

Contribution

The paper does not contribute new findings, as it retracts a previously published study.

Findings

The original study's claims about the catalyst's efficiency and reusability are being retracted.

No new experimental or theoretical results are presented in this retraction.

Abstract

Retraction of ‘Magnetic nanoparticles modified with a copper(i) complex as a novel and efficient reusable catalyst for A3 coupling leading to C–N bond formation’ by Wei Li et al., RSC Adv., 2023, 13, 28964–28974. https://doi.org/10.1039/D3RA04871C.

Full text

The Royal Society of Chemistry hereby wholly retracts this RSC Advances article due to concerns with the reliability of the data.

There are duplications of multiple NMR spectra with another paper published by different authors.^1^ The authors were contacted but did not provide a response to the concerns.

Given the significance of these concerns and lack of raw data, the Editor has lost confidence that the findings presented in this paper are reliable.

The authors were informed about the retraction of the article, Li Yan Zhang has responded but not indicated if they agree with the decision to retract, no other authors responded.

Signed: Laura Fisher, Executive Editor, RSC Advances

Date: 9th May 2025