Issue 50, 2023, Issue in Progress
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RSC Advances

Copper salt of a DABCO-based molten salt: a high-performance catalyst in the one-pot synthesis of 3,4-dihydropyrimidine and polyhydroquinoline derivatives†

Neamatullah Fekrat,a   Masoumeh Mazloumia  and  Farhad Shirini ORCID logo *a  

* Corresponding authors

a Department of Chemistry, College of Sciences, University of Guilan, Rasht 41335-19141, Iran
E-mail: shirini@guilan.ac.ir
Fax: +98 131 3233262
Tel: +981313233262

Abstract

In this study, [DABCO](SO3H)2CuCl4 as a novel DABCO-based molten salt with dual acidic functionality (Brønsted and Lewis) has been synthesized, characterized and used as a high-performance catalyst in the one-pot synthesis of 3,4-dihydropyrimidine and polyhydroquinoline derivatives. The identification of this catalyst was accomplished by using techniques such as infrared spectroscopy (FT-IR), X-ray diffraction (XRD), thermo gravimetric analysis (TGA), field emission scanning electron microscopy (FESEM) and energy dispersive X-ray (EDS) spectroscopy. Excellent efficiency, short reaction times, a simple working method and also use of a recyclable catalyst are the considerable advantages of this process.

Graphical abstract: Copper salt of a DABCO-based molten salt: a high-performance catalyst in the one-pot synthesis of 3,4-dihydropyrimidine and polyhydroquinoline derivatives

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Article information

DOI
https://doi.org/10.1039/D3RA07366A
Article type
Paper
Submitted
29 Oct 2023
Accepted
27 Nov 2023
First published
06 Dec 2023
This article is Open Access
Creative Commons BY-NC license

RSC Adv., 2023,13, 35659-35671

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Copper salt of a DABCO-based molten salt: a high-performance catalyst in the one-pot synthesis of 3,4-dihydropyrimidine and polyhydroquinoline derivatives

N. Fekrat, M. Mazloumi and F. Shirini, RSC Adv., 2023, 13, 35659 DOI: 10.1039/D3RA07366A

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