Silica-supported Preyssler nano particles: a green, reusable and highly efficient heterogeneous catalyst for the synthesis of carbamatoalkyl naphthols

Abstract

An efficient and green procedure has been developed for the preparation of carbamatoalkyl naphthols by the one-pot condensation of aryl aldehydes, β-naphthol, and methyl carbamate in the presence of silica-supported Preyssler nano particles as a heterogeneous catalyst under solvent-free conditions. The present methodology offers several advantages such as excellent yields, simple procedure, easy work-up, and eco-friendly reaction conditions. The catalyst is easily prepared, stable, reusable, and efficient under the reaction conditions.

Keywords:

• silica-supported Preyssler nano particles
• carbamatoalkyl naphthols
• heterogeneous catalyst
• multicomponent reactions

Acknowledgements

The authors are thankful to the Islamic Azad University, Mashhad Branch for financial support.