# Expression of concern: An efficient one pot three-component nanocatalyzed synthesis of spiroheterocycles using TiO2 nanoparticles as a heterogeneous catalyst

## TL;DR

This paper addresses concerns about a method for efficiently synthesizing spiroheterocycles using TiO2 nanoparticles as a catalyst.

## Contribution

The paper raises an expression of concern regarding the previously published synthesis method.

## Key findings

- The paper highlights potential issues with the original study's methodology or results.
- It calls for further verification of the reported nanocatalyzed synthesis process.

## Abstract

Expression of concern for ‘An efficient one pot three-component nanocatalyzed synthesis of spiroheterocycles using TiO2 nanoparticles as a heterogeneous catalyst’ by Yogesh Kumar Tailor et al., RSC Adv., 2015, 5, 46415–46422, https://doi.org/10.1039/C5RA04863J.

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Source: https://tomesphere.com/paper/PMC10918639