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

In this study, [DABCO](SO 3 H) 2 CuCl 4 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 identif...

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Bibliographic Details
Published in:RSC advances 2023-11, Vol.13 (5), p.35659-35671
Main Authors: Fekrat, Neamatullah, Mazloumi, Masoumeh, Shirini, Farhad
Format: Article
Language:English
Subjects:
Catalysts
Chemical synthesis
Emission analysis
Field emission microscopy
Infrared analysis
Infrared spectroscopy
Molten salts
Thermogravimetric analysis
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Summary:In this study, [DABCO](SO 3 H) 2 CuCl 4 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. In this study, [DABCO](SO 3 H) 2 CuCl 4 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.
ISSN:2046-2069
2046-2069
DOI:10.1039/d3ra07366a