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通过分子杂交合成新型反式-2,3-二氢呋喃-吡唑共轭物:分子对接见解以及抗炎和抗疟活性评估

Synthesis of novel trans-2,3-dihydrofuran-pyrazole conjugates through molecular hybridization: molecular docking insights and evaluation of anti-inflammatory and anti-malarial activities.

作者信息

Kumari Ginna, Rani Priyanka, Dhillon Sudeep, Chahal Mamta, Kumar Binesh, Devi Jai, Aneja Deepak Kumar, Kinger Mayank

机构信息

Department of Chemistry, Chaudhary Bansi Lal University, Bhiwani, 127031, Haryana, India.

Department of Chemistry, Guru Jambheshwar University of Science and Technology, Hisar, 125001, Haryana, India.

出版信息

BMC Chem. 2025 Jul 2;19(1):179. doi: 10.1186/s13065-025-01438-w.

Abstract

A series of some new trans 2,3-dihydrofuran-linked pyrazole hybrids were synthesized from a convenient one-pot methodology. This procedure employs a sequential one-pot, two-step tandem reaction starting from pyridine, formylpyrazole, dimedone, and phenacyl bromide, with triethylamine serving as the base and proceeds efficiently in acetonitrile. The recently synthesized compounds were characterized through H and C NMR, Mass and IR spectroscopy and evaluated for their anti-inflammatory and anti-malarial potentials. Among the evaluated compounds, the derivative 4l, featuring a bromo group on the acetylphenyl and a methoxy group on the formylpyrazole phenyl ring, demonstrated potent anti-inflammatory activity with an IC value of 7.12 ± 0.03 μM. This potency was comparable to that of the standard drug diclofenac sodium (IC = 6.44 ± 0.02 μM). Additionally, 4l exhibited moderate anti-malarial properties with an IC value of 1.66 ± 0.04 μM, with respect to the reference drug quinine (IC = 0.26 ± 0.03 μM). Molecular docking studies were also performed to observe molecular interaction between the synthesized molecules and Enoyl-acyl-carrier-protein reductase (PDB ID: 1NHG) and Cyclooxygenase-2 inhibitors (3LN1). These studies provided valuable insights into the binding modes and affinities of the synthesized compounds, which may inform the design of future therapeutic agents.

摘要

通过简便的一锅法合成了一系列新型反式2,3-二氢呋喃连接的吡唑杂化物。该方法采用一锅两步串联反应,从吡啶、甲酰基吡唑、二氢嘧啶酮和苯甲酰溴开始,以三乙胺为碱,在乙腈中高效进行。通过氢核磁共振、碳核磁共振、质谱和红外光谱对新合成的化合物进行了表征,并评估了它们的抗炎和抗疟疾潜力。在评估的化合物中,衍生物4l在乙酰苯基上有一个溴基团,在甲酰基吡唑苯环上有一个甲氧基,表现出强大的抗炎活性,IC值为7.12±0.03μM。这种效力与标准药物双氯芬酸钠(IC = 6.44±0.02μM)相当。此外,相对于参考药物奎宁(IC = 0.26±0.03μM),4l表现出中等的抗疟疾特性,IC值为1.66±0.04μM。还进行了分子对接研究,以观察合成分子与烯酰-酰基载体蛋白还原酶(PDB ID:1NHG)和环氧合酶-2抑制剂(3LN1)之间的分子相互作用。这些研究为合成化合物的结合模式和亲和力提供了有价值的见解,这可能为未来治疗药物的设计提供参考。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/25fe/12224374/c7cc5f0d46b1/13065_2025_1438_Fig1_HTML.jpg

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