Forthcoming

A Facile One-pot Four Component Synthesis of Symmetric 1,4-Dihydropyridine Derivatives using CaFe₂O₂ NPs as Heterogeneous Catalyst under Ultrasound Irradiation and Theoretical Studies as Potential Digestive Enzyme Inhibitors

Authors

DOI:

https://doi.org/10.29356/jmcs.v69i3.2193

Keywords:

Hantzsch reaction, transesterification, 1,4-Dihydropyridine, ultrasound, heterogeneous catalyst, nano-particles, DFT method, molecular docking, ADMET

Abstract

Abstract. A fast and enormously efficient new-flanged symmetric 1,4-dihydropyridine analogs were synthesized by the one-pot four-component condensation reaction of substituted arylaldehyde, tert-butyl β-ketoester, (NH4)2CO3, and benzyl alcohol with p-substitution via transesterification followed by Hantzsch ester synthesis using robust and recyclable CaFe2O4 NPs as heterogeneous catalyst under ultrasonic irradiation. The synthesized compounds were well characterized, and the desired derivatives were studied for the quantum chemical computations using density functional theory (DFT) with Spartan software. On the other hand, the molecular docking experience of all compounds was performed to examine their efficacy against digestive enzymes α-amylase, pepsin, and trypsin and observed that the 1,4-dihydropyridine derivatives could be used as effective digestive enzyme inhibitors.

 

Resumen. Se sintetizaron de forma rápida y altamente eficiente nuevos análogos simétricos de 1,4-dihidropiridina mediante una reacción de condensación en un solo recipiente y en cuatro componentes, utilizando arilaldehídos sustituidos, β-cetoéster tert-butilo, (NH₄)₂CO₃ y alcohol bencílico con sustitución en posición para a través de una transesterificación, seguida de una síntesis tipo éster de Hantzsch, empleando nanopartículas de CaFe₂O₄ robustas y reciclables como catalizador heterogéneo bajo irradiación ultrasónica. Los compuestos sintetizados fueron debidamente caracterizados, y los derivados obtenidos se estudiaron mediante cálculos químicos cuánticos usando la teoría del funcional de la densidad (DFT) con el software Spartan. Por otro lado, se realizó un estudio de acoplamiento molecular (docking) de todos los compuestos para evaluar su eficacia contra enzimas digestivas como α-amilasa, pepsina y tripsina, observándose que los derivados de 1,4-dihidropiridina podrían emplearse como inhibidores eficaces de enzimas digestivas.

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Author Biographies

Anjaneyulu Bendi, Presidency University

Department of Chemistry

N. Mujafarkani, Bharathidasan University Tiruchirappalli

PG and Research Department of Chemistry/ Jamal Mohamed College (Autonomous)

G. B. Dharma Rao, Kommuri Pratap Reddy Institute of Technology (Autonomous)

Department of chemistry

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Published

2025-06-11

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Regular Articles