Efficient synthesis of trisphenols using reduced sulfonated graphene nanocatalyst under solvent free conditions

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  • Negar Zekri1,
  • Reza Fareghi-Alamdari1,
  • Rashid Badri2,
  1. College of Chemistry and Chemical Engineering, Malek-Ashtar University of Technology, Tehran, 16765-3454, I. R. Iran.
  2. Department of Chemistry, College of Science, Ahvaz Branch, Islamic Azad University, Ahvaz, Iran

Published in Issue 2024-02-03

How to Cite

Zekri, N., Fareghi-Alamdari, R., & Badri, R. (2024). Efficient synthesis of trisphenols using reduced sulfonated graphene nanocatalyst under solvent free conditions. Iranian Journal of Catalysis, 6(3). https://oiccpress.com/ijc/article/view/3919

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Abstract

This study reports a new methodology for the efficient synthesis of trisphenol compounds using the reaction of 2,6-bis(hydroxymethyl) phenols with phenols under heterogeneous conditions. A sulfonated reduced graphene oxide (RGO-SO3H) nanocatalyst was used to promote the reaction under solvent-free conditions. A range of trisphenol compounds were produced in the presence of this catalyst system in good to excellent yields. In the presence of this catalyst system, a less amount of phenol is required, which improves the environment through its capability in synthesis of trisphenols. The RGO-SO3H catalyst was reusable at least for 8 times in this process without a significant decrease in its catalytic activity.

Keywords

  • 6-bis(hydroxymethyl) phenols,
  • Solvent-free conditions,
  • Sulfonated reduced graphene oxide,
  • Trisphenol
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