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Khan I, Rehman W, Rasheed L, Rahim F, Hussain R, Khan S, Alanazi AS, Hefnawy M, Abdellattif MH. Discovery of Novel and Selective Schiff Base Inhibitors as a Key for Drug Synthesis, Molecular Docking, and Pharmacological Evaluation. ACS OMEGA 2024; 9:31148-31158. [PMID: 39035878 PMCID: PMC11256303 DOI: 10.1021/acsomega.4c04599] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 05/14/2024] [Revised: 06/15/2024] [Accepted: 06/27/2024] [Indexed: 07/23/2024]
Abstract
Diabetes mellitus (DM) is a chronic disorder and still a challenge throughout the world, and therefore the search for safe and effective inhibitors for α-amylase and α-glucosidase is increasing day by day. In this work, we try to carry out the synthesis, modification, and computer-aided results of and biological research on thiadiazole-based Schiff base derivatives and evaluate their in vitro α-amylase and α-glucosidase inhibitory potential (1-15). In the current series, all of the synthesized analogues were shown to have potential inhibitory effects on targeted enzymes. The IC50 values for α-amylase values ranged from 20.10 ± 0.40 to 0.80 ± 0.05 μM, compared with the standard drug acarbose having an IC50 value of 10.30 ± 0.20 μM, while for α-glucosidase, the IC50 values ranged from 20.10 ± 0.50 to 1.20 ± 0.10 μM, compared to acarbose with an IC50 value of 9.80 ± 0.20 μM. For better understanding, a SAR investigation was undertaken. In this series, nine scaffolds (1, 2, 3, 6, 9, 10, 11, 13, and 15) were more active than the reference drug and the docking parameter RMSD values for α-glucosidase and α-amylase were 1.766, 2.7746, 1.6025, 2.2112, 3.5860, 2.3360, 1.6178, 2.0254, and 2.0797 and 2.6020, 1.9509, 3.1642, 1.7547, 2.2130, 1.4221, and 1.1087, respectively. The toxicity of the selected analogues was calculated by using the OSIRIS tool, and the TPSA values were found to be lower than 140 to represent the drug-like properties; those from Molinspiration were studied as well. The following properties were studied and found to have better biological properties. The remaining analogues (4, 5, 7, 8, 12, and 14) were also identified as potential inhibitors of both enzymes, but they were less active than the reference due to the substituents attached to the aromatic parts. The structures of synthesized compounds were confirmed through different spectroscopic analyses.
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Affiliation(s)
- Imran Khan
- Department of Chemistry, Hazara University, Mansehra 21120, Pakistan
| | - Wajid Rehman
- Department of Chemistry, Hazara University, Mansehra 21120, Pakistan
| | - Liaqat Rasheed
- Henan International Joint Laboratory of
Nano-Photoelectric Magnetic Material, School of Material Science and
Engineering, Henan University of Technology, Zhengzhou, Henan 450001, China
| | - Fazal Rahim
- Department of Chemistry, Hazara University, Mansehra 21120, Pakistan
| | - Rafaqat Hussain
- Department of Chemistry, Hazara University, Mansehra 21120, Pakistan
| | - Shoaib Khan
- Department of Chemistry, Abbottabad University
of Science and Technology (AUST), Abbottabad 22010, Pakistan
| | - Ashwag S. Alanazi
- Department
of Pharmaceutical Sciences, College of Pharmacy, Princess Nourah bint Abdulrahman University, Riyadh 11671, Saudi Arabia
| | - Mohamed Hefnawy
- Department of Pharmaceutical
Chemistry, College of Pharmacy, King Saud
University, Riyadh 11451, Saudi Arabia
| | - Magda H. Abdellattif
- Department
of Chemistry, College of Sciences, Taif
University, P. O Box 11099 Taif 21944, Saudi Arabia
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Raji Reddy C, Islam J, Nagendraprasad T, Ajaykumar U. Electrochemical selenylative ipso-annulation of N-benzylacrylamides to construct seleno-azaspiro[4.5]decadienones. Org Biomol Chem 2024. [PMID: 39011907 DOI: 10.1039/d4ob00805g] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 07/17/2024]
Abstract
Herein, we present the electrochemical synthesis of selenylated azaspiro[4.5]decadienones through domino selenylation/ipso-annulation of N-benzylacrylamides with diselenides. The method showed a wide substrate scope under mild and external oxidant-free reaction conditions, involving the construction of C-Se and C-C bonds. Gram-scale synthesis and further functional group conversion of the product are also demonstrated.
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Affiliation(s)
- Chada Raji Reddy
- Department of Organic Synthesis & Process Chemistry, CSIR-Indian Institute of Chemical Technology, Hyderabad - 500007, India.
- Academy of Scientific and Innovative Research (AcSIR), Ghaziabad 201 002, India
| | - Jannatul Islam
- Department of Organic Synthesis & Process Chemistry, CSIR-Indian Institute of Chemical Technology, Hyderabad - 500007, India.
- Academy of Scientific and Innovative Research (AcSIR), Ghaziabad 201 002, India
| | - Thallamapuram Nagendraprasad
- Department of Organic Synthesis & Process Chemistry, CSIR-Indian Institute of Chemical Technology, Hyderabad - 500007, India.
| | - Uprety Ajaykumar
- Department of Organic Synthesis & Process Chemistry, CSIR-Indian Institute of Chemical Technology, Hyderabad - 500007, India.
- Academy of Scientific and Innovative Research (AcSIR), Ghaziabad 201 002, India
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3
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Ayaz M, Alam A, Zainab, Elhenawy AA, Ur Rehman N, Ur Rahman S, Ali M, Latif A, Al-Harrasi A, Ahmad M. Designing and Synthesis of Novel Fexofenadine-Derived Hydrazone-Schiff bases as Potential Urease Inhibitors: In-Vitro, Molecular Docking and DFT Investigations. Chem Biodivers 2024:e202400704. [PMID: 38781003 DOI: 10.1002/cbdv.202400704] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/18/2024] [Revised: 05/23/2024] [Accepted: 05/23/2024] [Indexed: 05/25/2024]
Abstract
Thirteen novel hydrazone-Schiff bases (3-15) of fexofenadine were succesfully synthesized, structurally deduced and finally assessed their capability to inhibit urease enzyme (in vitro). In the series, six compounds 12 (IC50=10.19±0.16 μM), 11 (IC50=15.05±1.11 μM), 10 (IC50=17.01±1.23 μM), 9 (IC50=17.22±0.81 μM), 13 (IC50=19.31±0.18 μM), and 14 (IC50=19.62±0.21 μM) displayed strong inhibitory action better than the standard thiourea (IC50=21.14±0.24 μM), while the remaining compounds displayed significant to less inhibition. LUMO and HOMO showed the transferring of charges from molecules to biological transfer and MEP map showed the chemically reactive zone appropriate for drug action are calculated using DFT. AIM charges, non-bonding orbitals, and ELF are also computed. The urease protein binding analysis benefited from the docking studies.
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Affiliation(s)
- Muhammad Ayaz
- Department of Chemistry, University of Malakand, P.O. Box, 18800, Dir, Lower, Pakistan
| | - Aftab Alam
- Department of Chemistry, University of Malakand, P.O. Box, 18800, Dir, Lower, Pakistan
| | - Zainab
- College of Chemistry and Materials Science, Hebei Normal University, Shijiazhuang, 050024, China
| | - Ahmed A Elhenawy
- Chemistry Department, Faculty of Science, Al-Azhar University, Cairo, Egypt
| | - Najeeb Ur Rehman
- Natural and Medical Sciences Research Center, University of Nizwa, Nizwa, 616, Oman
| | - Sajjad Ur Rahman
- Department of Chemistry, University of Malakand, P.O. Box, 18800, Dir, Lower, Pakistan
| | - Mumtaz Ali
- Department of Chemistry, University of Malakand, P.O. Box, 18800, Dir, Lower, Pakistan
| | - Abdul Latif
- Department of Chemistry, University of Malakand, P.O. Box, 18800, Dir, Lower, Pakistan
| | - Ahmed Al-Harrasi
- Natural and Medical Sciences Research Center, University of Nizwa, Nizwa, 616, Oman
| | - Manzoor Ahmad
- Department of Chemistry, University of Malakand, P.O. Box, 18800, Dir, Lower, Pakistan
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Khan H, Jan F, Shakoor A, Khan A, AlAsmari AF, Alasmari F, Ullah S, Al-Harrasi A, Khan M, Ali S. Design, synthesis, molecular docking study, and α-glucosidase inhibitory evaluation of novel hydrazide-hydrazone derivatives of 3,4-dihydroxyphenylacetic acid. Sci Rep 2024; 14:11410. [PMID: 38762658 PMCID: PMC11102520 DOI: 10.1038/s41598-024-62034-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/24/2023] [Accepted: 05/13/2024] [Indexed: 05/20/2024] Open
Abstract
A series of novel Schiff base derivatives (1-28) of 3,4-dihydroxyphenylacetic acid were synthesized in a multi-step reaction. All the synthesized Schiff bases were obtained in high yields and their structures were determined by 1HNMR, 13CNMR, and HR-ESI-MS spectroscopy. Except for compounds 22, 26, 27, and 28, all derivatives show excellent to moderate α-glucosidase inhibition. Compounds 5 (IC50 = 12.84 ± 0.52 µM), 4 (IC50 = 13.64 ± 0.58 µM), 12 (IC50 = 15.73 ± 0.71 µM), 13 (IC50 = 16.62 ± 0.47 µM), 15 (IC50 = 17.40 ± 0.74 µM), 3 (IC50 = 18.45 ± 1.21 µM), 7 (IC50 = 19.68 ± 0.82 µM), and 2 (IC50 = 20.35 ± 1.27 µM) shows outstanding inhibition as compared to standard acarbose (IC50 = 873.34 ± 1.67 µM). Furthermore, a docking study was performed to find out the interaction between the enzyme and the most active compounds. With this research work, 3,4-dihydroxyphenylacetic acid Schiff base derivatives have been introduced as a potential class of α-glucosidase inhibitors that have remained elusive till now.
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Affiliation(s)
- Hammad Khan
- Organic Synthesis and Catalysis Research Laboratory, Institute of Chemical Sciences, University of Peshawar, Peshawar, 25120, Khyber Pakhtunkhwa, Pakistan
| | - Faheem Jan
- Shenyang National Laboratory for Materials Science, Institute of Metal Research Chinese Academy of Sciences, Shenyang, 110016, Liaoning, China
- School of Materials Science and Engineering, University of Science and Technology of China, Shenyang, 110016, Liaoning, China
| | - Abdul Shakoor
- Department of Chemistry, Abdul Wali Khan University, Mardan, 23200, Pakistan
| | - Ajmal Khan
- Natural and Medical Sciences Research Center, University of Nizwa, PO Box 33, 616, Birkat Al Mauz, Nizwa, Oman
| | - Abdullah F AlAsmari
- Department of Pharmacology and Toxicology, College of Pharmacy, King Saud University, Riyadh, 11451, Saudi Arabia
| | - Fawaz Alasmari
- Department of Pharmacology and Toxicology, College of Pharmacy, King Saud University, Riyadh, 11451, Saudi Arabia
| | - Saeed Ullah
- Natural and Medical Sciences Research Center, University of Nizwa, PO Box 33, 616, Birkat Al Mauz, Nizwa, Oman
| | - Ahmed Al-Harrasi
- Natural and Medical Sciences Research Center, University of Nizwa, PO Box 33, 616, Birkat Al Mauz, Nizwa, Oman.
| | - Momin Khan
- Department of Chemistry, Abdul Wali Khan University, Mardan, 23200, Pakistan.
| | - Shaukat Ali
- Organic Synthesis and Catalysis Research Laboratory, Institute of Chemical Sciences, University of Peshawar, Peshawar, 25120, Khyber Pakhtunkhwa, Pakistan.
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Jabar A, Maaouni N, Benyoussef S, Bahmad L. Investigation into the physical characteristics of the compounds XBiSe 2 (X = Li, Na or K). J Mol Model 2024; 30:158. [PMID: 38700822 DOI: 10.1007/s00894-024-05960-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/15/2024] [Accepted: 04/30/2024] [Indexed: 05/12/2024]
Abstract
CONTEXT As new materials, the ternary chalcogenides have recently brought scientists' attention. These materials are a novel class of semiconducting chemical compounds. They allow the increase of the photo-conversion efficiency, the performance, and the cheap energy cost. Such materials also provide a wide range of physical and chemical applications. METHODS The used investigation employs Density Functional Theory (DFT) implemented in the Wien2k package to systematically characterize the physical properties of ternary chalcogenide compounds XBiSe2 (X = Li, Na and K). Such method emphasizes their applicability to energy conversion technologies. Scrutinizing their electronic, optical, and thermoelectric properties elucidates the effect of alkali metal substitution on performance metrics. The results not only advance knowledge of these materials' physicochemical behaviors but also reveal their potential for tailored functionalization in next-generation energy and optoelectronic systems, marking a significant stride in material science and application-oriented research.
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Affiliation(s)
- A Jabar
- LPMAT, Faculty of Sciences Aïn Chock, Hassan II University of Casablanca, B.P. 5366, Casablanca, Morocco
- LPHE-MS, Science Faculty, Mohammed V University in Rabat, Rabat, Morocco
| | - N Maaouni
- Laboratory of Condensed Matter and Interdisciplinary Sciences (LaMCScI), Faculty of Sciences, Mohammed V University, Av. Ibn Batouta, B. P. 1014, Rabat, Morocco
| | - S Benyoussef
- Laboratory of Condensed Matter and Interdisciplinary Sciences (LaMCScI), Faculty of Sciences, Mohammed V University, Av. Ibn Batouta, B. P. 1014, Rabat, Morocco
| | - L Bahmad
- Laboratory of Condensed Matter and Interdisciplinary Sciences (LaMCScI), Faculty of Sciences, Mohammed V University, Av. Ibn Batouta, B. P. 1014, Rabat, Morocco.
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Godara R, Kaushik P, Tripathi K, Kumar R, Rana VS, Kumar R, Mandal A, Shanmugam V, Pankaj, Shakil NA. Green synthesis, structure-activity relationships, in silico molecular docking, and antifungal activities of novel prenylated chalcones. Front Chem 2024; 12:1389848. [PMID: 38746019 PMCID: PMC11093228 DOI: 10.3389/fchem.2024.1389848] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/22/2024] [Accepted: 03/26/2024] [Indexed: 05/16/2024] Open
Abstract
A series of 16 novel prenylated chalcones (5A-5P) was synthesized by microwave-assisted green synthesis using 5-prenyloxy-2-hydroxyacetophenone and different benzaldehydes. Comparisons were also performed between the microwave and conventional methods in terms of the reaction times and yields of all compounds, where the reaction times in the microwave and conventional methods were 1-4 min and 12-48 h, respectively. The synthesized compounds were characterized using different spectroscopic techniques, including IR, 1H-NMR, 13C-NMR, and LC-HRMS. The antifungal activities of all compounds were evaluated against Sclerotium rolfsii and Fusarium oxysporum under in vitro conditions and were additionally supported by structure-activity relationship (SAR) and molecular docking studies. Out of the 16 compounds screened, 2'-hydroxy-4-benzyloxy-5'-O-prenylchalcone (5P) showed the highest activity against both S. rolfsii and F. oxysporum, with ED50 of 25.02 and 31.87 mg/L, respectively. The molecular docking studies of the prenylated chalcones within the active sites of the EF1α and RPB2 gene sequences and FoCut5a sequence as the respective receptors for S. rolfsii and F. oxysporum revealed the importance of the compounds, where the binding energies of the docked molecules ranged from -38.3538 to -26.6837 kcal/mol for S. rolfsii and -43.400 to -23.839 kcal/mol for F. oxysporum. Additional docking parameters showed that these compounds formed stable complexes with the protein molecules.
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Affiliation(s)
- Rajni Godara
- Division of Agricultural Chemicals, ICAR-Indian Agricultural Research Institute, New Delhi, India
- The Graduate School, ICAR-Indian Agricultural Research Institute, New Delhi, India
| | - Parshant Kaushik
- Division of Agricultural Chemicals, ICAR-Indian Agricultural Research Institute, New Delhi, India
| | - Kailashpati Tripathi
- Division of Agricultural Chemicals, ICAR-Indian Agricultural Research Institute, New Delhi, India
- ICAR-National Research Centre on Seed Spices, Ajmer, Rajasthan, India
| | - Rakesh Kumar
- Division of Agricultural Chemicals, ICAR-Indian Agricultural Research Institute, New Delhi, India
- ICAR-Central Inland Fisheries Research Institute, Guwahati, Assam, India
| | - Virendra Singh Rana
- Division of Agricultural Chemicals, ICAR-Indian Agricultural Research Institute, New Delhi, India
| | - Rajesh Kumar
- Division of Agricultural Chemicals, ICAR-Indian Agricultural Research Institute, New Delhi, India
| | - Abhishek Mandal
- Division of Agricultural Chemicals, ICAR-Indian Agricultural Research Institute, New Delhi, India
- ICAR-Indian Institute of Horticultural Research, Bengaluru, Karnataka, India
| | - V Shanmugam
- Division of Plant Pathology, ICAR-Indian Agricultural Research Institute, New Delhi, India
| | - Pankaj
- Division of Nematology, ICAR-Indian Agricultural Research Institute, New Delhi, India
| | - Najam Akhtar Shakil
- Division of Agricultural Chemicals, ICAR-Indian Agricultural Research Institute, New Delhi, India
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Akbarian-Saravi N, Basar IA, Margoto OH, Abdollahi G N, Crawford B, Magel B, Gharibnavaz M, Eskicioglu C, Milani AS. Characterization of the Mechanical, Biodegradation, and Morphological Properties of NBR/Biopolymer Blend, Integrated with a Risk Evaluation. ACS OMEGA 2024; 9:9256-9268. [PMID: 38434901 PMCID: PMC10906039 DOI: 10.1021/acsomega.3c08301] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 10/22/2023] [Revised: 01/17/2024] [Accepted: 01/24/2024] [Indexed: 03/05/2024]
Abstract
Biopolymer blends have attracted considerable attention in industrial applications due to their notable mechanical properties and biodegradability. This work delves into the innovative combination of butadiene-acrylonitrile (referred to as NBR) with a pectin-based biopolymer (NGP) at a 90:10 mass ratio through a detailed analysis employing mechanical characterization, Fourier transform infrared (FTIR) analysis, thermogravimetric analysis (TGA), and morphology studies using SEM. Additionally, biopolymer's biodegradability under aerobic and anaerobic conditions is tested. The study's findings underscore the superior tensile strength and elongation at break of the NGP/NBR blend in comparison to pure NBR, while also exhibiting a decrease in puncture resistance due to imperfect bonds at the particle-matrix interfaces, necessitating the use of a compatibilizer. In anaerobic conditions, evaluation of biodegradable properties reveals 2% and 12% biodegradability in NBR and NGP/NBR blend, respectively. The degradation properties were also aligned with TGA results highlighting a lower decomposition temperature for NGP. Additionally, this research integrates the application of a conditional value-at-risk (CVaR)-based analysis of the blend's tensile properties to evaluate the uncertainty impact in the experiment. Under risk, a significant enhancement in the tensile performance (by 80%) of the NGP/NBR blend was shown compared to pure NBR. Ultimately, the study shows that adding pectin to the NBR compound amplifies the overall performance of the biopolymer significantly under select criteria.
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Affiliation(s)
- Niloofar Akbarian-Saravi
- Composites
Research Network-Okanagan Laboratory, School of Engineering, University of British Columbia, Kelowna, British Columbia V1V 1V7, Canada
| | - Ibrahim Alper Basar
- Bioreactor
Technology Group, School of Engineering, University of British Columbia, Kelowna, British Columbia V1V 1V7, Canada
| | - Olivia Helena Margoto
- Composites
Research Network-Okanagan Laboratory, School of Engineering, University of British Columbia, Kelowna, British Columbia V1V 1V7, Canada
| | - Nadia Abdollahi G
- Composites
Research Network-Okanagan Laboratory, School of Engineering, University of British Columbia, Kelowna, British Columbia V1V 1V7, Canada
| | - Bryn Crawford
- Composites
Research Network-Okanagan Laboratory, School of Engineering, University of British Columbia, Kelowna, British Columbia V1V 1V7, Canada
| | - Benjamin Magel
- Composites
Research Network-Okanagan Laboratory, School of Engineering, University of British Columbia, Kelowna, British Columbia V1V 1V7, Canada
| | | | - Cigdem Eskicioglu
- Bioreactor
Technology Group, School of Engineering, University of British Columbia, Kelowna, British Columbia V1V 1V7, Canada
| | - Abbas S. Milani
- Composites
Research Network-Okanagan Laboratory, School of Engineering, University of British Columbia, Kelowna, British Columbia V1V 1V7, Canada
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Jiang S. Copper (II) complex supported on magnetic nanoparticles as a novel nanocatalyst for the synthesis of imidazo[1,2-a]pyridines. Mol Divers 2024:10.1007/s11030-023-10781-w. [PMID: 38267750 DOI: 10.1007/s11030-023-10781-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/07/2023] [Accepted: 11/21/2023] [Indexed: 01/26/2024]
Abstract
Research on the synthesis of imidazo[1,2-a]pyridines has gained great importance among synthetic chemists because there have been numerous reports of their biological and medicinal activities. In this respect, we fabricated CuCl2 immobilized on Fe3O4 nanoparticles modified with 1,10-phenanthroline-5,6-diol [Fe3O4@Diol/Phen-CuCl2] and investigated its catalytic activity for the preparation of imidazo[1,2-a]pyridine derivatives through one-pot three-component reaction of 2-aminopyridines, aldehydes and terminal alkynes under ecofriendly conditions. FT-IR spectroscopy, EDX, SEM, TEM, XRD, TGA, VSM and ICP-OES techniques employed in order to identify the structure of the as-constructed Fe3O4@Diol/Phen-CuCl2 nanocatalyst. This catalytic system has a series of advantages such as the synthesis of imidazo[1,2-a]pyridine products with high yields in suitable time, performing the reactions in an environmentally friendly solvent (PEG), easy preparation of the catalyst with a simple method, and the recyclability of the Fe3O4@Diol/Phen-CuCl2 nanocatalyst.
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Affiliation(s)
- Shanshan Jiang
- Department of Chemistry and Chemical Engineering, Lvliang University, Lvliang, 033000, Shanxi, People's Republic of China.
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9
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Fang Y, Chen S, Chang LY. Construction and characterization of a magnetic nanoparticle-supported Cu complex: a stable and active nanocatalyst for synthesis of heteroaryl-aryl and di-heteroaryl sulfides. RSC Adv 2024; 14:812-830. [PMID: 38174265 PMCID: PMC10758930 DOI: 10.1039/d3ra07791h] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/14/2023] [Accepted: 12/14/2023] [Indexed: 01/05/2024] Open
Abstract
Diaryl and di-heteroaryl sulfides exist in the structure of many drugs and important biological compounds, also these compounds are well-known in medicinal chemistry due to important biological and pharmaceutical activities. Therefore, the development of novel, ecofriendly and efficient catalytic systems for the preparation of diaryl and di-heteroaryl sulfides is a very attractive and important challenge in organic synthesis. In this attractive methodology, we wish to introduce Fe3O4-supported 3-amino-4-mercaptobenzoic acid copper complex (Fe3O4@AMBA-CuI) nanomaterials as a novel and efficient magnetically recoverable catalyst for the preparation of heteroaryl-aryl and di-heteroaryl sulfides with high yields through reaction of heteroaryl halides with aryl or heteroaryl boronic acids and S8 as the sulfur source under ecofriendly conditions. This catalytic system was very efficient and practical for a diverse range of heteroaryl substrates including benzothiazole, benzoxazole, benzimidazole, oxadiazole, benzofuran, and imidazo[1,2-a]pyridine, because the desired diaryl and di-heteroaryl sulfides were prepared with high yields. The reusability-experiments revealed that the Fe3O4@AMBA-CuI nanocatalyst can be magnetically separated and reused at least six times without a significant decrease in its catalytic activity. VSM and ICP-OES analyses confirmed that despite using the Fe3O4@AMBA-CuI nanocatalyst 6 times, the magnetic properties and stability of the catalyst were still maintained. Although all the obtained heteroaryl-aryl and di-heteroaryl sulfide products are known and previously reported, the synthesis of this number of heteroaryl-aryl and di-heteroaryl sulfides has never been reported by any previouse methods.
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Affiliation(s)
- Yutong Fang
- Sinopec Research Institute of Petroleum Processing Beijing 100089 China
| | - Songlin Chen
- Department of Basics, Naval University of Engineering Wuhan 430030 Hubei China
- School of Resource and Environmental Engineering, Wuhan University of Science and Technology Wuhan 430070 Hubei China
| | - Li-Yuan Chang
- Institute of Chemical and Nanotechnology Research Shanghai China
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Rehman G, Umar M, Shah N, Hamayun M, Ali A, Khan W, Khan A, Ahmad S, Alrefaei AF, Almutairi MH, Moon YS, Ali S. Green Synthesis and Characterization of Silver Nanoparticles Using Azadirachta indica Seeds Extract: In Vitro and In Vivo Evaluation of Anti-Diabetic Activity. Pharmaceuticals (Basel) 2023; 16:1677. [PMID: 38139804 PMCID: PMC10748007 DOI: 10.3390/ph16121677] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/13/2023] [Revised: 11/27/2023] [Accepted: 11/29/2023] [Indexed: 12/24/2023] Open
Abstract
BACKGROUND Diabetes mellitus (DM) is a non-communicable, life-threatening syndrome that is present all over the world. The use of eco-friendly, cost-effective, and green-synthesised nanoparticles as a medicinal therapy in the treatment of DM is an attractive option. OBJECTIVE In the present study, silver nanoparticles (AI-AgNPs) were biosynthesized through the green synthesis method using Azadirachta indica seed extract to evaluate their anti-diabetic potentials. METHODS These nanoparticles were characterized by using UV-visible spectroscopy, Fourier transform infrared spectrophotometers (FTIR), scanning electron microscopy (SEM), DLS, and X-ray diffraction (XRD). The biosynthesized AI-AgNPs and crude extracts of Azadirachta indica seeds were evaluated for anti-diabetic potentials using glucose adsorption assays, glucose uptake by yeast cells assays, and alpha-amylase inhibitory assays. RESULTS Al-AgNPs showed the highest activity (75 ± 1.528%), while crude extract showed (63 ± 2.5%) glucose uptake by yeast at 80 µg/mL. In the glucose adsorption assay, the highest activity of Al-AgNPs was 10.65 ± 1.58%, while crude extract showed 8.32 ± 0.258% at 30 mM, whereas in the alpha-amylase assay, Al-AgNPs exhibited the maximum activity of 73.85 ± 1.114% and crude extract 65.85 ± 2.101% at 100 µg/mL. The assay results of AI-AgNPs and crude showed substantial dose-dependent activities. Further, anti-diabetic potentials were also investigated in streptozotocin-induced diabetic mice. Mice were administered with AI-AgNPs (10 to 40 mg/kg b.w) for 30 days. CONCLUSIONS The results showed a considerable drop in blood sugar levels, including pancreatic and liver cell regeneration, demonstrating that AI-AgNPs have strong anti-diabetic potential.
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Affiliation(s)
- Gauhar Rehman
- Department of Zoology, Abdul Wali Khan University Mardan, Mardan 23200, Pakistan; (M.U.); (A.A.); (A.K.); (S.A.)
| | - Muhammad Umar
- Department of Zoology, Abdul Wali Khan University Mardan, Mardan 23200, Pakistan; (M.U.); (A.A.); (A.K.); (S.A.)
| | - Nasrullah Shah
- Department of Chemistry, Abdul Wali Khan University Mardan, Mardan 23200, Pakistan; (N.S.); (W.K.)
| | - Muhammad Hamayun
- Department of Botany, Abdul Wali Khan University Mardan, Mardan 23200, Pakistan;
| | - Abid Ali
- Department of Zoology, Abdul Wali Khan University Mardan, Mardan 23200, Pakistan; (M.U.); (A.A.); (A.K.); (S.A.)
| | - Waliullah Khan
- Department of Chemistry, Abdul Wali Khan University Mardan, Mardan 23200, Pakistan; (N.S.); (W.K.)
| | - Arif Khan
- Department of Zoology, Abdul Wali Khan University Mardan, Mardan 23200, Pakistan; (M.U.); (A.A.); (A.K.); (S.A.)
| | - Sajjad Ahmad
- Department of Zoology, Abdul Wali Khan University Mardan, Mardan 23200, Pakistan; (M.U.); (A.A.); (A.K.); (S.A.)
| | - Abdulwahed Fahad Alrefaei
- Department of Zoology, College of Science, King Saud University, Riyadh 11451, Saudi Arabia; (A.F.A.); (M.H.A.)
| | - Mikhlid H. Almutairi
- Department of Zoology, College of Science, King Saud University, Riyadh 11451, Saudi Arabia; (A.F.A.); (M.H.A.)
| | - Yong-Sun Moon
- Department of Horticulture and Life Science, Yeungnam University, Gyeongsan 38541, Republic of Korea;
| | - Sajid Ali
- Department of Horticulture and Life Science, Yeungnam University, Gyeongsan 38541, Republic of Korea;
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