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Liu YL, He XC, Gao J, Li KR, Chen K, Xiang HY, Yang H. Visible Light-Induced, Nickel-Catalyzed Late-Stage 4-Alkylation of Hantzsch Esters with Alkyl Bromide. J Org Chem 2024; 89:10987-10997. [PMID: 39037887 DOI: 10.1021/acs.joc.4c01422] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 07/24/2024]
Abstract
Herein, visible light-induced, nickel-catalyzed direct functionalization of the Hantzsch esters (HEs) with readily accessible alkyl bromides has been successfully achieved by taking advantage of HE as the reductant and substrate through an aromatization-dearomatization process. In this strategy, the single electron reduction of alkyl bromides by reactive Ni(I) species is essential for the success of this late-stage transformation. A wide range of 4-alkyl-1,4-dihydropyridines were rapidly assembled in moderate to good yields under mild conditions, rendering this photoinduced approach attractive for synthetic and medicinal chemistry.
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Affiliation(s)
- Yan-Ling Liu
- College of Chemistry and Chemical Engineering, Central South University, Changsha 410083, P. R. China
| | - Xian-Chen He
- College of Chemistry and Chemical Engineering, Central South University, Changsha 410083, P. R. China
| | - Jie Gao
- College of Chemistry and Chemical Engineering, Central South University, Changsha 410083, P. R. China
| | - Ke-Rong Li
- College of Chemistry and Chemical Engineering, Central South University, Changsha 410083, P. R. China
| | - Kai Chen
- College of Chemistry and Chemical Engineering, Central South University, Changsha 410083, P. R. China
| | - Hao-Yue Xiang
- College of Chemistry and Chemical Engineering, Central South University, Changsha 410083, P. R. China
| | - Hua Yang
- College of Chemistry and Chemical Engineering, Central South University, Changsha 410083, P. R. China
- School of Chemistry and Chemical Engineering, Henan Normal University, Xinxiang, Henan 453007, P. R. China
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Hassanin HA, Taha A, Ibrahim HIM, Ahmed EA, Mohamed H, Ahmed H. Cytotoxic activity of bimetallic Ag@Se green synthesized nanoparticles using Jerusalem Thorn ( Parkinsonia aculeata). Front Chem 2024; 12:1343506. [PMID: 38591059 PMCID: PMC11000268 DOI: 10.3389/fchem.2024.1343506] [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: 11/23/2023] [Accepted: 01/23/2024] [Indexed: 04/10/2024] Open
Abstract
Introduction: The process of green synthesis of metal nanoparticles is considered to be eco-friendly and cost-effective. Methods: In this study, bimetallic Ag@Se-P and Ag@Se-S nanoparticles were synthesized successfully using Parkinsonia aculeata aerial parts and seed extracts. The phytochemical contents in P. aculeata aerial parts and seed aqueous extract serve as reducing and stabilizing capping agents without the need for any chemical stabilization additive in the synthesis of bimetallic nanoparticles. Result and Discussion: The obtained results from UV-vis spectrophotometry, scanning electron microscopy (SEM), X-ray powder diffraction (XRD), energy-dispersive X-ray spectroscopy (EDS), transmission electron microscopy (TEM), and Fourier-transform infrared spectroscopy (FT-IR) confirmed the successful synthesis of bimetallic nanoparticles with cluster irregular spherical morphology, crystalline nature, and average particle sizes of 17.65 and 24.36 nm for Ag@Se-S and Ag@Se-P, respectively. The cytotoxicity assessment of greenly synthesized nanomaterials using seed and plant extracts showed cell inhibition >50 μg/mL. Ag@Se-S and Ag@Se-P seed and plant extracts significantly reduced LPS-induced inflammation, which was assessed by NO and cytokines IL-1β, IL-6, and TNF-α. The mRNA and protein expression levels of phosphoinositide 3 kinase (PI3K) and nuclear factor kappa B (NFkB) were significantly overexpressed in LPS-induced RAW 264.7 cell lines. Ag@Se-S and Ag@Se-P downregulated the expression of PI3K and NFkB in LPS-induced cell models.
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Affiliation(s)
- Hanaa A. Hassanin
- Department of Chemistry, Faculty of Science, Ain Shams University, Cairo, Egypt
| | - Amel Taha
- Department of Chemistry, College of Science, King Faisal University, Hufof, Saudi Arabia
- Department of Chemistry, Faculty of Science and Technology, Al-Neelain University, Khartoum, Sudan
| | - Hairul-Islam Mohamed Ibrahim
- Biological Sciences Department, College of Science, King Faisal University, Al-Ahsa, Saudi Arabia
- Division of Microbiology and Immunology, Pondicherry Centre for Biological Sciences and Educational Trust, Pondicherry, India
| | - Emad A. Ahmed
- Biological Sciences Department, College of Science, King Faisal University, Al-Ahsa, Saudi Arabia
- Lab of Molecular Physiology, Department of Zoology, Faculty of Science, Assiut University, Asyut, Egypt
| | - Hisham Mohamed
- Date Palm Research Center of Excellence, King Faisal University, Hufof, Saudi Arabia
- Agricultural Research Center, Ministry of Agricultural, Giza, Egypt
| | - Hoda Ahmed
- Biological Sciences Department, College of Science, King Faisal University, Al-Ahsa, Saudi Arabia
- Botany and Microbiology Department, Faculty of Science, Alexandria University, Alexandria, Egypt
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Li Z, Niu R, Yu J, Yu L, Cao D. Removal of cadmium from aqueous solution by magnetic biochar: adsorption characteristics and mechanism. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2024; 31:6543-6557. [PMID: 38153572 DOI: 10.1007/s11356-023-31664-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/07/2023] [Accepted: 12/18/2023] [Indexed: 12/29/2023]
Abstract
Experiments were conducted to investigate the potential of the efficient resource utilization of waste cow manure and corn straw in an agricultural ecosystem. In this study, a magnetic cow manure and straw biochar were synthesized by a co-precipitation method, and cadmium (Cd(II)) was removed by adsorption in aqueous solution. Several physicochemical characterization techniques were applied, including SEM, BET, Zeta, FTIR, Raman, XPS, and VSM. The effects of pH value, magnetic biochar content, adsorption kinetics, and isothermal adsorption on the adsorption of Cd(II) were investigated. The physicochemical characterizations revealed that the physical and chemical properties of the magnetic biochar were substantially changed compared to the unmodified biochar. The results showed that the surface of the biochar became rough, the number of oxygen (O)-containing functional groups increased, and the specific surface area increased. The results of the adsorption experiments showed that the adsorption capacity was affected by pH, magnetic biochar addition, Cd(II) concentration, and adsorption time. The adsorption kinetics and isothermal adsorption experiments showed that the Cd(II) adsorption processes of the cow manure and corn straw magnetic biochars were consistent with the Freundlich model and pseudo-second-order kinetic model. The results also showed that the Cd(II) adsorption effect of cow manure magnetic biochar was found to be more effective than that of corn straw magnetic biochar. The optimal conditions for Cd(II) adsorption were 800 ℃ for cow manure magnetic biochar, with a pH value of 5 and 0.14 g biochar addition, and 600 ℃ for straw magnetic biochar with a pH value of 8 and 0.12 g biochar addition. In conclusion, the cow manure magnetic biochar was an effective adsorbent for the absorption of Cd(II) in wastewater.
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Affiliation(s)
- Zhiwen Li
- Heilongjiang Provincial Key Laboratory of Environmental Microbiology and Recycling of Argo-Waste in Cold Region, College of Life Science and Biotechnology, Heilongjiang Bayi Agricultural University, Daqing, 163319, Heilongjiang, China
- Key Laboratory of Low-Carbon Green Agriculture in Northeastern China, Ministry of Agriculture and Rural Affairs, Beijing, People's Republic of China
- College of Life Science and Biotechnology, Heilongjiang Bayi Agricultural University, Daqing, 163319, China
| | - Ruiyan Niu
- Heilongjiang Provincial Key Laboratory of Environmental Microbiology and Recycling of Argo-Waste in Cold Region, College of Life Science and Biotechnology, Heilongjiang Bayi Agricultural University, Daqing, 163319, Heilongjiang, China
- Key Laboratory of Low-Carbon Green Agriculture in Northeastern China, Ministry of Agriculture and Rural Affairs, Beijing, People's Republic of China
- College of Life Science and Biotechnology, Heilongjiang Bayi Agricultural University, Daqing, 163319, China
| | - Jiaheng Yu
- Heilongjiang Provincial Key Laboratory of Environmental Microbiology and Recycling of Argo-Waste in Cold Region, College of Life Science and Biotechnology, Heilongjiang Bayi Agricultural University, Daqing, 163319, Heilongjiang, China
- Key Laboratory of Low-Carbon Green Agriculture in Northeastern China, Ministry of Agriculture and Rural Affairs, Beijing, People's Republic of China
- College of Life Science and Biotechnology, Heilongjiang Bayi Agricultural University, Daqing, 163319, China
| | - Liyun Yu
- Heilongjiang Provincial Key Laboratory of Environmental Microbiology and Recycling of Argo-Waste in Cold Region, College of Life Science and Biotechnology, Heilongjiang Bayi Agricultural University, Daqing, 163319, Heilongjiang, China
- Key Laboratory of Low-Carbon Green Agriculture in Northeastern China, Ministry of Agriculture and Rural Affairs, Beijing, People's Republic of China
- College of Life Science and Biotechnology, Heilongjiang Bayi Agricultural University, Daqing, 163319, China
| | - Di Cao
- Heilongjiang Provincial Key Laboratory of Environmental Microbiology and Recycling of Argo-Waste in Cold Region, College of Life Science and Biotechnology, Heilongjiang Bayi Agricultural University, Daqing, 163319, Heilongjiang, China.
- Key Laboratory of Low-Carbon Green Agriculture in Northeastern China, Ministry of Agriculture and Rural Affairs, Beijing, People's Republic of China.
- College of Life Science and Biotechnology, Heilongjiang Bayi Agricultural University, Daqing, 163319, China.
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Ganguli S, Howlader S, Ullah AA, Bhuiyan FR, Akhi AA, Hasan A, Dey K, Islam S, Ali F, Chakraborty AK, Bhattacharjee S, Dey BK. Size controlled biosynthesis of silver nanoparticles using Ophiorrhiza mungos, Ophiorrhiza harrisiana and Ophiorrhiza rugosa aqueous leaf extract and their antimicrobial activity. Heliyon 2023; 9:e16072. [PMID: 37215826 PMCID: PMC10196522 DOI: 10.1016/j.heliyon.2023.e16072] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/08/2023] [Revised: 04/28/2023] [Accepted: 05/04/2023] [Indexed: 05/24/2023] Open
Abstract
In this work, the aqueous leaf extracts of three Ophiorrhiza genus species, namely Ophiorrhiza mungos (Om), Ophiorrhiza harrisiana (Oh) and Ophiorrhiza rugosa (Or), have been used as the reducing and capping agents to control the size of AgNPs, Om-AgNPs, Oh-AgNPs and Or-AgNPs, respectively and found to be an effective antimicrobial agent against a wide range of bacteria and fungi. The biosynthesized AgNPs were studied by UV-Visible spectrophotometer, powder X-ray diffraction (XRD), scanning electron microscopy (SEM), energy dispersive X-ray, transmission electron microscopy (TEM) and Fourier transform infrared spectrometer (FTIR). The average particle sizes of Om-AgNPs, Oh-AgNPs and Or-AgNPs were measured as 17 nm, 22 nm and 26 nm, respectively, and observed to be spherical and face-centered cubic crystals. The antibacterial test of synthesized AgNPs was performed against Staphylococcus aureus, Bacillus cereus, Escherichia coli, and Vibrio cholerae where the maximum antibacterial activity was observed by reducing the nano-size and increasing the silver content of AgNPs. The antifungal effect of these three types of AgNPs on Penicillium notatum and Aspergillus niger was also evaluated and their growth with AgNPs concentrations of 450 μg/mL was inhibited up to 80-90% and 55-70%, respectively. The size-control synthesis of AgNPs using the Ophiorrhiza genus species is presented here for the first time where the synthesized AgNPs showed higher stability and antimicrobial activities. Therefore, this study might lead to synthesize AgNPs with different morphologies using plant extracts of the same genus but from different species and provide strong encouragement for future applications in treating infectious diseases.
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Affiliation(s)
- Sumon Ganguli
- Department of Applied Chemistry and Chemical Engineering, University of Chittagong, Chattogram, 4331, Bangladesh
- Biomaterials Research Laboratory (BRL), Department of Applied Chemistry and Chemical Engineering, University of Chittagong, Chattogram, 4331, Bangladesh
| | - Sabbir Howlader
- Department of Applied Chemistry and Chemical Engineering, University of Chittagong, Chattogram, 4331, Bangladesh
- Biomaterials Research Laboratory (BRL), Department of Applied Chemistry and Chemical Engineering, University of Chittagong, Chattogram, 4331, Bangladesh
| | - A.K.M. Atique Ullah
- Nanoscience and Technology Laboratory, Atomic Energy Center, Bangladesh Atomic Energy Commission, Dhaka, 1000, Bangladesh
| | - Farhana Rumzum Bhuiyan
- Laboratory of Biotechnology and Molecular Biology, Department of Botany, University of Chittagong, Chattogram, 4331, Bangladesh
| | - Aklima A. Akhi
- Department of Applied Chemistry and Chemical Engineering, University of Chittagong, Chattogram, 4331, Bangladesh
- Biomaterials Research Laboratory (BRL), Department of Applied Chemistry and Chemical Engineering, University of Chittagong, Chattogram, 4331, Bangladesh
| | - Abid Hasan
- Department of Applied Chemistry and Chemical Engineering, University of Chittagong, Chattogram, 4331, Bangladesh
- Biomaterials Research Laboratory (BRL), Department of Applied Chemistry and Chemical Engineering, University of Chittagong, Chattogram, 4331, Bangladesh
| | - Kamol Dey
- Department of Applied Chemistry and Chemical Engineering, University of Chittagong, Chattogram, 4331, Bangladesh
| | - Saiful Islam
- Industrial Microbiology Research Division, Bangladesh Council of Scientific and Industrial Resaerch (BCSIR), Chattogram Laboratories, Chattogram, 4220, Bangladesh
| | - Ferdousi Ali
- Department of Microbiology, University of Chittagong, Chattogram, 4331, Bangladesh
| | - Ashok Kumar Chakraborty
- Department of Applied Chemistry and Chemical Engineering, Islamic University, Kushtia, 7003, Bangladesh
| | - Samiran Bhattacharjee
- Centre for Advanced Research in Sciences (CARS), University of Dhaka, Dhaka, 1000, Bangladesh
| | - Benu Kumar Dey
- Department of Chemistry and Pro-Vice-Chancellor (Academic), University of Chittagong, Chattogram, 4331, Bangladesh
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Green Chemometric-Assisted Characterization of Common and Black Varieties of Celery. Molecules 2023; 28:molecules28031181. [PMID: 36770848 PMCID: PMC9921692 DOI: 10.3390/molecules28031181] [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: 01/13/2023] [Revised: 01/22/2023] [Accepted: 01/23/2023] [Indexed: 01/27/2023] Open
Abstract
Celery (Apium graveolens L., var. Dulce), is a biennial herbaceous plant belonging to the Apiaceae family, cultivated in humid soils in the Mediterranean basin, in Central-Southern Europe, and in Asia. Despite its wide diffusion and although it is well-known that cultivar/origin strongly influences plant composition, only a few studies have been carried out on the different types of celery. The present work aims to investigate four different Italian types of celery (two common, Elne and Magnum celery, and two black, Torricella Peligna Black and Trevi Black celery), and to test, whether the combination of FT-IR spectroscopy and chemometrics allows their ecotype discrimination. The peculiarity of this study lies in the fact that all the analyzed celeries were grown in the same experimental field under the same soil and climate conditions. Consequently, the differences captured by the FT-IR-based tool are mainly imputable to the different ecotypes. In order to achieve this goal, FT-IR profiles were handled by two diverse classifiers: sequential preprocessing through ORThogonalization (SPORT) and soft independent modeling by class analogy (SIMCA). Eventually, the highest classification rate (90%, on an external set of 100 samples) has been achieved by SPORT.
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