1
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Pandey RP, Tiwari B, Sharma N, Giri K, Hussain N. Reactivity Switch in Glycal Dienes toward Different Nucleophiles: Mechanistic Insight and Applications toward the Synthesis of Naphthalene-Fused Pyran Derivatives. J Org Chem 2024; 89:11502-11512. [PMID: 39090971 DOI: 10.1021/acs.joc.4c01210] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 08/04/2024]
Abstract
The stereo- and regioselective formation of chiral molecules is an interesting and important topic in organic synthesis due to its wide applicability and intricacy during synthesis. Herein, we disclose a method for the selective functionalization of glycal dienes for synthesizing different glycosides and branched sugars stereo- and regioselectively. The methodology is broad regarding the substrate scope in which various nucleophiles and glycals were explored. Furthermore, we delve into converting the synthesized products into naphthalene-fused pyran derivatives, achieved through a 4 + 2 cycloaddition followed by aromatization. Additionally, we conducted density functional theory studies to gain insight into the formation of regioselective products when different nucleophiles were employed.
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Affiliation(s)
- Ram Pratap Pandey
- Department of Medicinal Chemistry, Institute of Medical Sciences, Banaras Hindu University, Varanasi, Uttar Pradesh 221005, India
| | - Bindu Tiwari
- Department of Medicinal Chemistry, Institute of Medical Sciences, Banaras Hindu University, Varanasi, Uttar Pradesh 221005, India
| | - Navneet Sharma
- Department of Computational Sciences, Central University of Punjab, Bathinda, Punjab 151401, India
| | - Kousik Giri
- Department of Computational Sciences, Central University of Punjab, Bathinda, Punjab 151401, India
| | - Nazar Hussain
- Department of Medicinal Chemistry, Institute of Medical Sciences, Banaras Hindu University, Varanasi, Uttar Pradesh 221005, India
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2
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Firdaus N, Altaf I, Iqubal Z, Sherwani OAK, Khan S, Kashif M, Kumar B, Owais M. Green synthesis of silver nanoparticles employing hamdard joshanda extract: putative antimicrobial potential against gram positive and gram negative bacteria. Biometals 2024; 37:389-403. [PMID: 38055071 DOI: 10.1007/s10534-023-00556-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/25/2023] [Accepted: 10/21/2023] [Indexed: 12/07/2023]
Abstract
The bio-mediated synthesis of nanoparticles offers a sustainable and eco-friendly approach. In the present study, silver nanoparticles (AgNPs) were synthesized using Joshanda extract, a commercially available herbal formulation derived from a traditional medicinal plant, as a reducing and stabilizing agent. The as-synthesized AgNPs were characterized using UV-Vis spectroscopy, dynamic light scattering (DLS), X-ray Diffraction (XRD) study, and Fourier-transform infrared (FTIR) analysis. UV-Vis spectroscopy exhibited a prominent absorption peak at 430 nm, confirming the formation of AgNPs. DLS analysis revealed the size distribution of the nanoparticles, ranging from 80 to 100 nm, and zeta potential measurements indicated a surface charge of - 14.4 mV. The XRD analysis provide evidence for the presence of a face-centered cubic structure within the silver nanoparticles. FTIR analysis further elucidated the interaction of bioactive compounds from the Joshanda extract with the AgNPs' surface. Strong peaks at 765-829 cm-1 indicated C-Cl stretching vibrations of alkyl halides, while the stretching of alkenes C=C was observed at 1641 cm-1. Moreover, the presence of alcohols and phenol (OH) groups was identified at 3448 cm-1, suggesting their involvement in nanoparticle stabilization. The antimicrobial potential of the synthesized AgNPs was evaluated against both gram-negative Pseudomonas aeruginosa and gram-positive Streptococcus mutans using zone of inhibition assays. The AgNPs exhibited remarkable inhibitory effects against both types of bacteria. Additionally, AgNPs-treated groups demonstrated a significant increase in reactive oxygen species (ROS) levels, indicating potential of as-synthesized AgNPs in disruption of the target microbial membranes. Furthermore, the as-synthesized AgNPs exhibited notable anti-biofilm properties by effectively hindering the development of mature biofilms. This study highlights the efficient green synthesis of AgNPs using Joshanda extract and also provides insights into their physico-chemical properties of as-synthesized nanoparticles. The demonstrated antimicrobial activity against both gram-negative and gram-positive bacteria, along with biofilm inhibition potential, underscores the promising applications of the as-synthesized AgNPs in the field of biomedical and environmental sciences. The study bridges traditional knowledge with contemporary nanotechnology, offering a novel avenue for the development of eco-friendly antimicrobial agents.
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Affiliation(s)
- Nikhat Firdaus
- Interdiciplinary Biotechnology Unit, AMU, Aligarh, India
| | - Ishrat Altaf
- Interdiciplinary Biotechnology Unit, AMU, Aligarh, India
| | - Zafar Iqubal
- Interdiciplinary Biotechnology Unit, AMU, Aligarh, India
| | | | | | - Mohd Kashif
- Department of Biotechnology, Babasaheb Bhimrao Ambedkar University, Lucknow, India
| | - Bhupendra Kumar
- Center for Plant Molecular Biology and Biotechnology Division, CSIR- National Botanical Research Institute, Rana Pratap Marg, Lucknow, India
| | - Mohammad Owais
- Interdiciplinary Biotechnology Unit, AMU, Aligarh, India.
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3
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Wen M, Zhang M, Gu F, Geng Y, Liu X, Wu Q, Yang X. Synthesis of spiropyrans via Ru(II)-catalyzed coupling of 3-aryl-2 H-benzo[ b][1,4]oxazines with benzoquinones. Org Biomol Chem 2024; 22:998-1009. [PMID: 38186088 DOI: 10.1039/d3ob01971c] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/09/2024]
Abstract
An efficient Ru(II)-catalyzed C-H activation-based spiroannulation of benzoxazines with the easily available benzoquinone and N-sulfonyl quinone monoimine has been realized, providing a straightforward strategy to access NH-containing spiropyrans in moderate to good yields with good functional group compatibility. The procedure features atom- and step-economy, mild conditions, and excellent chemoselectivity. Moreover, a catalytically competent five-membered cycloruthenated complex has been isolated.
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Affiliation(s)
- Mengke Wen
- Institute of Pesticide, College of Plant Protection, Henan Agricultural University, Zhengzhou, 450002, China.
- College of Sciences, Northeastern University, Shenyang, 110819, China
| | - Mengying Zhang
- Institute of Pesticide, College of Plant Protection, Henan Agricultural University, Zhengzhou, 450002, China.
| | - Fan Gu
- Institute of Pesticide, College of Plant Protection, Henan Agricultural University, Zhengzhou, 450002, China.
| | - Yuehua Geng
- Institute of Pesticide, College of Plant Protection, Henan Agricultural University, Zhengzhou, 450002, China.
| | - Xiangyang Liu
- Institute of Pesticide, College of Plant Protection, Henan Agricultural University, Zhengzhou, 450002, China.
| | - Qingnan Wu
- Institute of Pesticide, College of Plant Protection, Henan Agricultural University, Zhengzhou, 450002, China.
| | - Xifa Yang
- Institute of Pesticide, College of Plant Protection, Henan Agricultural University, Zhengzhou, 450002, China.
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4
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Alshammari MB, Aly AA, Ahmad A, Brown AB, Mohamed AH. Recent synthetic strategies of spiro-azetidin-2-one, -pyrrolidine, -indol(one) and -pyran derivatives-a review. RSC Adv 2023; 13:32786-32823. [PMID: 37942448 PMCID: PMC10628897 DOI: 10.1039/d3ra06054c] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/05/2023] [Accepted: 10/24/2023] [Indexed: 11/10/2023] Open
Abstract
Spiro-heterocycles have received special attention in medicinal chemistry because of their promising biological activity. Over the years, many synthetic methodologies have been established for the construction of spirocyclic compounds. Spiro heterocycles such as spiro-azetidin-2-one, -pyrrolidine, -indol(one) and -pyran derivatives have been found to exhibit diversified biological and pharmacological activity in addition to their therapeutic properties. In view of these facts, we decided in this review to present representative synthetic approaches of the aforementioned spiro heterocycles, especially in the past 20 years.
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Affiliation(s)
- Mohammed B Alshammari
- Chemistry Department, College of Sciences and Humanities, Prince Sattam Bin Abdulaziz University Al-Kharij Saudi Arabia
| | - Ashraf A Aly
- Chemistry Department, Faculty of Science, Minia University 61519 El-Minia Egypt
| | - Akil Ahmad
- Chemistry Department, College of Sciences and Humanities, Prince Sattam Bin Abdulaziz University Al-Kharij Saudi Arabia
| | - Alan B Brown
- Department of Chemistry and Chemical Engineering, Florida Institute of Technology Melbourne FL 32901 USA
| | - Asmaa H Mohamed
- Chemistry Department, Faculty of Science, Minia University 61519 El-Minia Egypt
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5
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Rezaei M, Bayat M. Efficient synthesis of new indenopyridotriazine [4.3.3]propellanes and spiroindenopyridotriazine-4 H-pyran derivatives. RSC Adv 2023; 13:31488-31496. [PMID: 37901267 PMCID: PMC10604634 DOI: 10.1039/d3ra06248a] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/13/2023] [Accepted: 10/23/2023] [Indexed: 10/31/2023] Open
Abstract
The pyrido[1,2,4]triazines as substrates, generated from 1,6-diaminopyridinone derivatives and ninhydrin, were reacted with malononitrile and CH-acids to afford a new library spiro[indeno[1,2-e]pyrido[1,2-b][1,2,4]triazine-7,5'-pyran]-1,3,6'-tricarbonitrile in ethanol at reflux condition in excellent yield. Also, novel indenopyridotriazine [4.3.3]propellanes were synthesized via the reaction of pyrido[1,2,4]triazine and N-methyl-1-(methylthio)-2-nitroethenamine (NMSM) by using of HOAc in ethanol. The important aspects of this protocol are the abundance of starting materials, mild conditions, structural diversity of products, excellent yields and easy isolation of products with no chromatographic technique.
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Affiliation(s)
- Monireh Rezaei
- Department of Chemistry, Faculty of Science, Imam Khomeini International University Qazvin Iran
| | - Mohammad Bayat
- Department of Chemistry, Faculty of Science, Imam Khomeini International University Qazvin Iran
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6
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Karimi M, Ramazani A, Sajjadifar S, Rezayati S. A copper(ii) complex containing pyridine-2-carbaldehyde and its direct binding onto ethylenediamine functionalized with Fe 3O 4@SiO 2 nanoparticles for catalytic applications. RSC Adv 2023; 13:29121-29140. [PMID: 37800129 PMCID: PMC10548530 DOI: 10.1039/d3ra05649j] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/18/2023] [Accepted: 09/23/2023] [Indexed: 10/07/2023] Open
Abstract
In the present study, a copper(ii) complex containing a pyridine-2-carbaldehyde ligand and its direct binding onto ethylenediamine functionalized with Fe3O4@SiO2 nanoparticles [Cu(ii)-Schiff base-(CH2)3-SiO2@Fe3O4] as a heterogeneous magnetic nanocatalyst can be easily prepared using a multi-step method. Next, the structural and magnetic properties of the synthesized nanoparticles were identified using Fourier-transform infrared spectroscopy (FT-IR), inductively coupled plasma (ICP), vibrating-sample magnetometry (VSM), transmission electron microscopy (TEM), field-emission scanning electron microscopy (FE-SEM), thermogravimetric analysis (TGA), PXRD (Powder X-ray diffraction), Brunauer-Emmett-Teller (BET), and energy-dispersive X-ray spectrometry (EDX) techniques. TEM images reveal that the average particle size distribution was found to be in the range of 45-55 nm with spherical shape. The PXRD analysis indicated that the crystallite size was found to be 35.2 nm. The synthesized nanocatalyst exhibited a very good catalytic ability in the synthesis reaction of pyran derivatives and 2-benzylidenemalononitrile derivatives. Product 2-amino-7,7-dimethyl-4-(4-nitrophenyl)-5-oxo-5,6,7,8-tetrahydrobenzo[b]pyran 4e was achieved in 97% yield with a TON of 129.3 and a TOF of 646.6 h-1 and product 2-(4-cyanobenzylidene)malononitrile 3j was achieved in 96% yield with a TON of 128 and a TOF of 984.6 h-1. In addition, the synthesized nanocatalyst was easily separated from the reaction mixture by a magnet and used 7 consecutive times without significant loss of catalytic activity. Also, leaching of copper metal from the synthesized nanocatalyst was very insignificant for this reaction.
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Affiliation(s)
- Masoud Karimi
- Department of Chemistry, Faculty of Science, University of Zanjan Zanjan 45371-38791 Iran
| | - Ali Ramazani
- Department of Chemistry, Faculty of Science, University of Zanjan Zanjan 45371-38791 Iran
- Department of Biotechnology, Research Institute of Modern Biological Techniques (RIMBT), University of Zanjan Zanjan 45371-38791 Iran
| | - Sami Sajjadifar
- Department of Chemistry, Payame Noor University PO BOX 19395-4697 Tehran Iran
| | - Sobhan Rezayati
- Department of Chemistry, Faculty of Science, University of Zanjan Zanjan 45371-38791 Iran
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7
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Fallah-Mehrjardi M, Zare M. Preparation and Characterization of Bifunctional PEG/en Nanomagnetic Phase-Transfer Catalyst: Green Synthesis of 2-Amino-3-Cyano-4H-Pyrans. Polycycl Aromat Compd 2022. [DOI: 10.1080/10406638.2022.2136219] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/31/2022]
Affiliation(s)
- Mehdi Fallah-Mehrjardi
- Department of Chemistry, Payame Noor University (PNU), Tehran, Iran
- Research Center of Environmental Chemistry, Payame Noor University (PNU), Ardakan, Iran
| | - Maryam Zare
- Department of Chemistry, Payame Noor University (PNU), Tehran, Iran
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8
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Zhang JJ, Zhang M, Lu M, He Y, Li S, Fan L, Zhang X, Wu JK, Yang X. Synthesis of spiropyrans via the Rh(III)-catalyzed annulation of 3-aryl-2 H-benzo[ b][1,4]oxazines with diazo ketoesters. Chem Commun (Camb) 2022; 58:5144-5147. [PMID: 35383796 DOI: 10.1039/d2cc00916a] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/04/2023]
Abstract
Rh(III)-Catalyzed 1 : 2 coupling of 3-aryl-2H-benzo[b][1,4]oxazines with α-diazo-β-ketoesters has been realized for the mild synthesis of spiropyrans. The reaction proceeded via twofold C-H activation followed by unusual [3+3] and [4+2] annulation with decent functional group tolerance. Moreover, a pyranoid-skeleton intermediate was isolated as a key intermediate as a result of monoalkylation and enol oxygen annulation, which offers direct mechanistic insight.
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Affiliation(s)
- Jing Jing Zhang
- Institute of Pesticide, College of Plant Protection, Henan Agricultural University, Zhengzhou, 450002, China.
| | - Mengying Zhang
- Institute of Pesticide, College of Plant Protection, Henan Agricultural University, Zhengzhou, 450002, China.
| | - Mingxin Lu
- Institute of Pesticide, College of Plant Protection, Henan Agricultural University, Zhengzhou, 450002, China.
| | - Yuhao He
- Institute of Pesticide, College of Plant Protection, Henan Agricultural University, Zhengzhou, 450002, China.
| | - Song Li
- Institute of Pesticide, College of Plant Protection, Henan Agricultural University, Zhengzhou, 450002, China.
| | - Liangxin Fan
- College of Sciences, Henan Agricultural University, Zhengzhou 450002, China
| | - Xinle Zhang
- Institute of Pesticide, College of Plant Protection, Henan Agricultural University, Zhengzhou, 450002, China.
| | - Jia-Kai Wu
- Institute of Pesticide, College of Plant Protection, Henan Agricultural University, Zhengzhou, 450002, China.
| | - Xifa Yang
- Institute of Pesticide, College of Plant Protection, Henan Agricultural University, Zhengzhou, 450002, China.
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9
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Sharma YB, Singh R, Singh CP, Bharitkar YP, Hazra A. Design, Synthesis and Cytotoxicity Evaluation of Tetrahydro β‐Carboline‐Attached Spiroindolones/ Spiroacenapthylene by Using Lemon Juice as a Green Biocatalyst System. ChemistrySelect 2022. [DOI: 10.1002/slct.202200707] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Affiliation(s)
- Yogesh Brijwashi Sharma
- Department of Medicinal Chemistry Department of Natural Products National Institute of Pharmaceutical Education and Research (NIPER) 168, Maniktala Main Road Kolkata 700 054 India
| | - Rajveer Singh
- Department of Medicinal Chemistry Department of Natural Products National Institute of Pharmaceutical Education and Research (NIPER) 168, Maniktala Main Road Kolkata 700 054 India
| | - Chetan Paul Singh
- Natural Products & Medicinal Chemistry Division CSIR-Indian Institute of Integrative Medicine (IIIM), Post Bag No. 3 Canal Road Jammu 180001 (J&K) India
| | - Yogesh P. Bharitkar
- Department of Medicinal Chemistry Department of Natural Products National Institute of Pharmaceutical Education and Research (NIPER) 168, Maniktala Main Road Kolkata 700 054 India
- Natural Products & Medicinal Chemistry Division CSIR-Indian Institute of Integrative Medicine (IIIM), Post Bag No. 3 Canal Road Jammu 180001 (J&K) India
| | - Abhijit Hazra
- Department of Medicinal Chemistry Department of Natural Products National Institute of Pharmaceutical Education and Research (NIPER) 168, Maniktala Main Road Kolkata 700 054 India
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10
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Rizk SA, Abdelwahab SS, Abdo AM. Ultrasonic-Assisted Synthesis and Quantum Chemical Analysis of Spiro[Indoline-3,3′-Pyrazol]-2-One Derivatives as Effective Bactericidal and Viricidal Agents. Polycycl Aromat Compd 2022. [DOI: 10.1080/10406638.2022.2052118] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
Affiliation(s)
- Sameh A. Rizk
- Chemistry Department, Science Faculty, Ain Shams University, Cairo, Egypt
| | | | - Abdullah M. Abdo
- Botany and Microbiology Department, Faculty of Science, Alazher University, Nasr City, Cairo, Egypt
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11
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Yadav R, Darakshan, Bhaumick P, Choudhury LH, Parvin T. Synthesis of Pentacyclic Pyran Fused Pyrazolo Benzo[
h
]quinolines by Multicomponent Reaction and Their Photophysical Studies. ChemistrySelect 2022. [DOI: 10.1002/slct.202104124] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Affiliation(s)
- Rahul Yadav
- Department of Chemistry National Institute of Technology Patna Ashok Rajpath Patna 800 005 India
| | - Darakshan
- Department of Chemistry National Institute of Technology Patna Ashok Rajpath Patna 800 005 India
| | - Prabhas Bhaumick
- Department of Chemistry Indian Institute of Technology Patna Bihta Patna 801106 India
| | - Lokman H. Choudhury
- Department of Chemistry Indian Institute of Technology Patna Bihta Patna 801106 India
| | - Tasneem Parvin
- Department of Chemistry National Institute of Technology Patna Ashok Rajpath Patna 800 005 India
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12
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Dutta A, Goswami M, Rabha J, Das S, Jha DK, Nongkhlaw R. Fe
3
O
4
@RB@LDH: Efficient and Recyclable Photocatalyst Visible‐Light Mediated Synthesis of Pyran and Pyrrolidinone Derivatives and Their Anti‐Microbial Activities. ChemistrySelect 2022. [DOI: 10.1002/slct.202104075] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Affiliation(s)
- Arup Dutta
- Centre for Advanced Studies in Chemistry Department of Chemistry North-Eastern Hill University Shillong 793022 India
| | - Munmee Goswami
- Centre for Advanced Studies in Chemistry Department of Chemistry North-Eastern Hill University Shillong 793022 India
| | - Jintu Rabha
- Department of Botany Gauhati University Guwahati 781014 Assam India
| | - Sukanya Das
- Department of Botany Gauhati University Guwahati 781014 Assam India
| | - Dhruva K. Jha
- Department of Botany Gauhati University Guwahati 781014 Assam India
| | - Rishanlang Nongkhlaw
- Centre for Advanced Studies in Chemistry Department of Chemistry North-Eastern Hill University Shillong 793022 India
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13
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Saigal, Khizr M, Sahoo SC, Khan MM. Synthesis, characterization, X-ray crystallographic study and in silico ADME predictions of functionalized nitropyrrole derivatives. J Mol Struct 2022. [DOI: 10.1016/j.molstruc.2021.131655] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
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14
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Zangeneh Monfared F, Shahabadi N, Mahmoudi Hashemi M, Meibodi FS, Mirjafari Z. Studies of Ponceau 4R food colorant and zinc oxide nanoparticles containing it interactions with DNA and evaluation of their antimicrobial activity. J FOOD PROCESS PRES 2021. [DOI: 10.1111/jfpp.16222] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
| | - Nahid Shahabadi
- Department of Inorganic Chemistry, Faculty of Chemistry Razi University Kermanshah Iran
- Center of Medical Biology Research (MBRC) Kermanshah University of Medical Sciences Kermanshah Iran
| | | | - Farhat Sadat Meibodi
- Department of Organic Chemistry, Faculty of Chemistry Razi University Kermanshah Iran
| | - Zohreh Mirjafari
- Department of Chemistry, Science and Research Branch Islamic Azad University Tehran Iran
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15
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Gholami M, Youseftabar-Miri L, Askarizadeh E, Hosseinjani-Pirdehi H. A concise, facile and MCR-GAP chemistry strategy for the synthesis of spiro[benzo[4,5]thiazolo[3,2-a]pyrano[2,3-d]pyrimidine-4,3′-indoline] derivatives as fluorescent cellular imaging agents. J Mol Struct 2021. [DOI: 10.1016/j.molstruc.2021.131044] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
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16
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Shareef S, Saigal, Khizr M, Sahoo SC, Musawwer Khan M. Microwave assisted novel one-pot three-component reaction for synthesis of 3-aminoimidazopyridines using molecular iodine. Tetrahedron Lett 2021. [DOI: 10.1016/j.tetlet.2021.153452] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/29/2023]
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17
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Ali A, Hasan P, Irfan M, Uddin A, Khan A, Saraswat J, Maguire R, Kavanagh K, Patel R, Joshi MC, Azam A, Mohsin M, Haque QMR, Abid M. Development of Oxadiazole-Sulfonamide-Based Compounds as Potential Antibacterial Agents. ACS OMEGA 2021; 6:27798-27813. [PMID: 34722980 PMCID: PMC8552329 DOI: 10.1021/acsomega.1c03379] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 06/28/2021] [Accepted: 09/30/2021] [Indexed: 06/13/2023]
Abstract
In this work, substituted 1,2,4-oxadiazoles (OX1-OX27) were screened against five bacterial strains, identified to be OX7 and OX11 as growth inhibitors with minimum inhibitory concentration (MIC) values of 31.25 and 15.75 μg/mL, respectively. The growth inhibitory property of OX7 and OX11 was further validated by disk diffusion, growth curve, and time kill curve assays. Both disrupted biofilm formation with 92-100% reduction examined by the XTT assay were further visualized by scanning electron microscopy analysis. These compounds in combination with ciprofloxacin also exhibit synergy against Escherichia coli cells. With insignificant cytotoxic behavior on HEK293 cells, human red blood cells, and Galleria mellonella larvae, OX11 was tested against 28 multidrug resistant environmental isolates of bacteria and showed inhibition of Kluyvera georgiana and Citrobacter werkmanii strains with 32 and 16 μg/mL MIC values, respectively. The synergistic behavior of OX11 with ampicillin showed many fold reductions in MIC values against K. georgiana and Klebsiella pneumoniae multidrug resistant strains. Further, transmission electron microscopy analysis of OX11-treated E. coli cells showed a significantly damaged cell wall, which resulted in the loss of integrity and cytosolic oozing. OX11 showed significant changes in the secondary structure of human serum albumin (HSA) in the presence of OX11, enhancing HSA stability. Overall, the study provided a suitable core for further synthetic alterations and development as an antibacterial agent.
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Affiliation(s)
- Asghar Ali
- Microbiology
Research Laboratory, Department of Biosciences, Jamia Millia Islamia, Jamia Nagar, New Delhi 110025, India
| | - Phool Hasan
- Medicinal
Chemistry Laboratory, Department of Biosciences, Jamia Millia Islamia, Jamia Nagar, New Delhi 110025, India
| | - Mohammad Irfan
- Medicinal
Chemistry Laboratory, Department of Biosciences, Jamia Millia Islamia, Jamia Nagar, New Delhi 110025, India
| | - Amad Uddin
- Medicinal
Chemistry Laboratory, Department of Biosciences, Jamia Millia Islamia, Jamia Nagar, New Delhi 110025, India
| | - Ashba Khan
- Medicinal
Chemistry Laboratory, Department of Biosciences, Jamia Millia Islamia, Jamia Nagar, New Delhi 110025, India
| | - Juhi Saraswat
- Biophysical
Chemistry Laboratory, Centre for Interdisciplinary Research in Basic
Sciences, Jamia Millia Islamia, Jamia Nagar, New Delhi 110025, India
| | - Ronan Maguire
- Department
of Biology, Maynooth University, Maynooth, Co. Kildare ABC127 Ireland
| | - Kevin Kavanagh
- Department
of Biology, Maynooth University, Maynooth, Co. Kildare ABC127 Ireland
| | - Rajan Patel
- Biophysical
Chemistry Laboratory, Centre for Interdisciplinary Research in Basic
Sciences, Jamia Millia Islamia, Jamia Nagar, New Delhi 110025, India
| | - Mukesh C. Joshi
- Motilal
Nehru College, University of Delhi, Benito Juarez Marg, South Campus, New Delhi 110021, India
| | - Amir Azam
- Department
of Chemistry, Jamia Millia Islamia, Jamia Nagar, New Delhi 110025, India
| | - Mohd. Mohsin
- Metabolic
Engineering Laboratory, Department of Biosciences, Jamia Millia Islamia, Jamia Nagar, New Delhi 110025, India
| | - Qazi Mohd. Rizwanul Haque
- Microbiology
Research Laboratory, Department of Biosciences, Jamia Millia Islamia, Jamia Nagar, New Delhi 110025, India
| | - Mohammad Abid
- Medicinal
Chemistry Laboratory, Department of Biosciences, Jamia Millia Islamia, Jamia Nagar, New Delhi 110025, India
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Shahid M, Manoharadas S, Chakdar H, Alrefaei AF, Albeshr MF, Almutairi MH. Biological toxicity assessment of carbamate pesticides using bacterial and plant bioassays: An in-vitro approach. CHEMOSPHERE 2021; 278:130372. [PMID: 33839399 DOI: 10.1016/j.chemosphere.2021.130372] [Citation(s) in RCA: 19] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/18/2020] [Revised: 03/16/2021] [Accepted: 03/19/2021] [Indexed: 05/25/2023]
Abstract
In recent times, agricultural practices mainly rely on agrochemicals and pesticides to safe-guard edible crops against various pests and to ensure high yields. However, their indiscriminate use may cause severe environmental hazards that directly and negatively affect soil microorganisms and crop productivity. Considering these, present study was aimed to assess the toxicity of carbamate pesticides namely carbamoyl (CBL), methomyl (MML) and carbofuran (CBN) using bacterial and plant (Vigna mungo L.) bioassays. All pesticide doses (25-100 μg mL-1) showed negative effect on bacteria as well as plant. Growth, morphology, survival, cellular respiration and inner membrane permeability of Sinorhizobiumsaheli was hampered when exposed to pesticides. Pesticide induced morphological changes viz. aberrant margins; cellular cracking and distortion/damage in S. saheli were obvious under scanning electron microscope (SEM). The 100 μgCBNmL-1 had maximum inhibitory effect and it reduced survivability of S. saheli by 75%. In addition, biofilm formation ability of S. saheli was inhibited in a pesticides-dose dependent manner and it was statistically (p ≤ 0.05) significant. Pesticides indorsed significant changes in biomarker enzymatic assays and oxidative stress parameters towards S. saheli. Furthermore, at 100 μgCBNmL-1, germination efficiency, root, shoot length, plant survival and tolerance index of V. mungo were decrease by 50, 75, 65, 70 and 66%, respectively over control. Staining of pesticide treated roots with fluorescently labeled dyes propidium iodide (PI) and acridine orange (AO) showed increased oxidative stress, ROS generation and membrane permeability as revealed under confocal laser scanning microscope (CLSM). Furthermore, stressor metabolites and antioxidant enzymes in plant seedlings were progressively enhanced with increasing concentration of pesticides. Conclusively, present finding bestow an insights into a mechanistic approach of carbamate pesticide induced phyto, morpho and cellular toxic effects towards soil bacterium as well as plant with forthcoming implications for designing the pesticides to reduce their toxic/harmful effects.
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Affiliation(s)
- Mohammad Shahid
- Department of Agricultural Microbiology, Faculty of Agricultural Sciences, Aligarh Muslim University, Aligarh, 202002, Uttar Pradesh, India.
| | - Salim Manoharadas
- Department of Botany and Microbiology, Central Laboratory, College of Science, King Saud University, PO Box 2455, Riyadh 11451, Saudi Arabia.
| | - Hillol Chakdar
- Microbial Technology Unit II, ICAR-National Bureau of Agriculturally Important Microorganisms (NBAIM), Mau, Uttar Pradesh, 275103, India
| | - Abdulwahed F Alrefaei
- Department of Zoology, College of Science, King Saud University, P.O. Box. 2454, Riyadh, 11451, Saudi Arabia
| | - Mohammed F Albeshr
- Department of Zoology, College of Science, King Saud University, P.O. Box. 2454, Riyadh, 11451, Saudi Arabia
| | - Mikhlid H Almutairi
- Department of Zoology, College of Science, King Saud University, P.O. Box. 2454, Riyadh, 11451, Saudi Arabia
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19
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Rasooll MM, Zarei M, Zolfigol MA, Sepehrmansourie H, Omidi A, Hasani M, Gu Y. Novel nano-architectured carbon quantum dots (CQDs) with phosphorous acid tags as an efficient catalyst for the synthesis of multisubstituted 4 H-pyran with indole moieties under mild conditions. RSC Adv 2021; 11:25995-26007. [PMID: 35479474 PMCID: PMC9037214 DOI: 10.1039/d1ra02515e] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/30/2021] [Accepted: 06/28/2021] [Indexed: 01/23/2023] Open
Abstract
In this work, a new nano-structured catalyst with phosphorus acid moieties, synthesized by the reaction of carbon quantum dots (CQDs) and phosphorus acid under refluxing EtOH. The structure and morphology of CQDs–N(CH2PO3H2)2 were fully characterized using various techniques such as Fourier transform infrared (FT-IR) spectroscopy, transmission electron microscopy (TEM), scanning electron microscopy (SEM), energy dispersive X-ray (EDX) spectroscopy, thermogravimetric (TG) analysis, fluorescence and X-ray diffraction (XRD) measurements. The new CQDs–N(CH2PO3H2)2 catalyst was successfully used for the synthesis of 2-amino-6-(2-methyl-1H-indol-3-yl)-4-phenyl-4H-pyran-3,5-dicarbonitriles by the one-pot reaction of various aromatic aldehydes, 3-(1H-indol-3-yl)-3-oxopropanenitrile derivatives and malononitrile in refluxing EtOH and/or ultrasonic irradiation conditions. A new nano-structured catalyst with phosphorus acid moieties, synthesized by the reaction of carbon quantum dots (CQDs) and phosphorus acid under refluxing EtOH.![]()
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Affiliation(s)
- Milad Mohammadi Rasooll
- Department of Organic Chemistry, Faculty of Chemistry, Bu-Ali Sina University Hamedan 6517838683 Iran +988 138380709 +988 138282807
| | - Mahmoud Zarei
- Department of Organic Chemistry, Faculty of Chemistry, Bu-Ali Sina University Hamedan 6517838683 Iran +988 138380709 +988 138282807
| | - Mohammad Ali Zolfigol
- Department of Organic Chemistry, Faculty of Chemistry, Bu-Ali Sina University Hamedan 6517838683 Iran +988 138380709 +988 138282807
| | - Hassan Sepehrmansourie
- Department of Organic Chemistry, Faculty of Chemistry, Bu-Ali Sina University Hamedan 6517838683 Iran +988 138380709 +988 138282807
| | - Afsaneh Omidi
- Department of Analytical Chemistry, Faculty of Chemistry, Bu-Ali Sina University Hamedan Iran
| | - Masoumeh Hasani
- Department of Analytical Chemistry, Faculty of Chemistry, Bu-Ali Sina University Hamedan Iran
| | - Yanlong Gu
- School of Chemistry and Chemical Engineering, Huazhong University of Science and Technology 1037 Luoyu Road, Hongshan District Wuhan 430074 China
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20
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Sharma D, Kumar M, Das P. Synthetic approaches for cyclohexane-1,3-diones: A versatile precursor for bioactive molecules. SYNTHETIC COMMUN 2021. [DOI: 10.1080/00397911.2021.1946824] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
Affiliation(s)
- Dharminder Sharma
- PG Department of Chemistry, JCDAV College Dasuya, Dasuya, Punjab, India
- Chemical Technology Department, CSIR-Institute of Himalayan Bioresource Technology, Palampur, Himachal Pradesh, India
| | - Manish Kumar
- Chemical Technology Department, CSIR-Institute of Himalayan Bioresource Technology, Palampur, Himachal Pradesh, India
- Department of Chemistry, Government College Seraj at Lambathach, Thunag, Himachal Pradesh, India
| | - Pralay Das
- Chemical Technology Department, CSIR-Institute of Himalayan Bioresource Technology, Palampur, Himachal Pradesh, India
- Academy of Scientific and Innovative Research (AcSIR), Ghaziabad, India
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21
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Zangeneh monfared F, Shahabadi N, Mahmoudi Hashemi M, Sadat Meibodi F, Mirjafari Z. Zinc oxide nanoparticles coated with food colorant Brilliant black: Synthesis, characterization, and comparative DNA interaction and antibacterial activity studies. J FOOD PROCESS PRES 2021. [DOI: 10.1111/jfpp.15514] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
Affiliation(s)
| | - Nahid Shahabadi
- Inorganic Chemistry Department, Faculty of Chemistry Razi University Kermanshah Iran
- Medical Biology Research Center (MBRC) Kermanshah University of Medical Sciences Kermanshah Iran
| | | | - Farhat Sadat Meibodi
- Department of Organic Chemistry, Faculty of Chemistry Razi University Kermanshah Iran
| | - Zohreh Mirjafari
- Department of Chemistry, Science and Research Branch Islamic Azad University Tehran Iran
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22
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Sathish K, Nagaraju S, Kashinath D. Dimethylurea/L-tartaric acid as deep eutectic solvent for one-pot synthesis of 2-(methylamino)-3-nitrospiro-[chromene] and N-methyl-3-nitro-4 H chromen-2-amines. SYNTHETIC COMMUN 2021. [DOI: 10.1080/00397911.2021.1878225] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
Affiliation(s)
- Kota Sathish
- Department of Chemistry, National Institute of Technology, Warangal, India
| | - Sakkani Nagaraju
- Department of Chemistry, National Institute of Technology, Warangal, India
| | - Dhurke Kashinath
- Department of Chemistry, National Institute of Technology, Warangal, India
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23
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C. Malakar C, Singh V, Kumar V, Singh D, Gujjarappa R. Efficient Approach towards the Polysubstituted 4H-Pyran Hybrid Quinolone Derivatives and Subsequent Copper-Catalyzed Hydroxylation of Haloarenes. HETEROCYCLES 2021. [DOI: 10.3987/com-20-14383] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
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24
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Sharma D, Kumar M, Das P. Application of cyclohexane-1,3-diones for six-membered oxygen-containing heterocycles synthesis. Bioorg Chem 2020; 107:104559. [PMID: 33418315 DOI: 10.1016/j.bioorg.2020.104559] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/24/2020] [Revised: 11/23/2020] [Accepted: 12/10/2020] [Indexed: 12/17/2022]
Abstract
Cyclohexan-1,3-dione derivatives are versatile scaffolds for the synthesis of a variety of value-added organic molecules including heterocycles and natural products. Six-membered oxygen heterocycles prepared from cyclohexan-1,3-diones are of much importance as they are intermediate for the synthesis of a number of natural products and several other valuable bioactive molecules which shows anti-viral, anti-bacterial, analgesic, antimalarial, anti-inflammatory, anti-allergic, anti-tumor and anti-cancer activities. These advantages have inspired us to write a detailed survey on the newly developed methods which are very essential in the construction of six-membered oxygen heterocycles. Further, the versatility in the chemistry of cyclohexan-1,3-dione and its derivatives is due to the presence of highly active methylene moiety and its active di-carbonyl groups. Recently, reactions of cyclohexane-1,3-dione and its derivatives with other substrates for instance aldehydes, malononitriles, NMSM, chalcones, isatin etc. have been established for the construction of a variety of six-membered oxygen heterocycles. The studies reported in this review article involved the synthesis of six-membered oxygen-containing heterocycles which includes 4H-chromen-5(6H)-one, 2H-xanthen-1(9H)-one, 2H-xanthen-1,8(5H,9H)-dione, 6H-chromen-2,5-dione derivatives and natural products having six-membered oxygen heterocycles from cyclohexane-1,3-dione and its derivatives as one of the substrate.
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Affiliation(s)
- Dharminder Sharma
- PG Department of Chemistry, JCDAV College Dasuya, Punjab 144205, India; Chemical Technology Department, CSIR-Institute of Himalayan Bioresource Technology, Palampur 176061, HP, India.
| | - Manish Kumar
- Department of Chemistry, Govt. College Seraj at Lambathach, Distt. Mandi, 175048 HP, India; Chemical Technology Department, CSIR-Institute of Himalayan Bioresource Technology, Palampur 176061, HP, India
| | - Pralay Das
- Chemical Technology Department, CSIR-Institute of Himalayan Bioresource Technology, Palampur 176061, HP, India; Academy of Scientific and Innovative Research (AcSIR), Ghaziabad 201002, India.
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25
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Nisa S, Yusuf M. Novel bisbenzopyronopyran derivatives: photochemical synthesis and their in‐vitro antimicrobial studies. J Heterocycl Chem 2020. [DOI: 10.1002/jhet.4171] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/30/2023]
Affiliation(s)
- Shehneela Nisa
- Department of Chemistry Punjabi University Patiala Punjab India
| | - Mohamad Yusuf
- Department of Chemistry Punjabi University Patiala Punjab India
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26
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Zhao S, Wang ZP, Wen X, Li S, Wei G, Guo J, He Y. Synthesis of Vitamin B 12-Antibiotic Conjugates with Greatly Improved Activity against Gram-Negative Bacteria. Org Lett 2020; 22:6632-6636. [PMID: 32806210 DOI: 10.1021/acs.orglett.0c02403] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Abstract
There is an urgent need to discover new antibiotics and improve the efficacy of known antibiotics against Gram-negative bacteria. "Trojan horse" conjugates are novel and promising antibiotics. Herein we report the design and synthesis of vitamin-B12-ampicillin conjugates, which exhibited more than 500 times improved activity against Escherichia coli compared with ampicillin itself. Our studies demonstrate that the vitamin-B12 uptake pathway could be employed for effective antibiotic delivery and efficacy enhancement.
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Affiliation(s)
- Sheng Zhao
- Chongqing Key Laboratory of Natural Product Synthesis and Drug Research, School of Pharmaceutical Sciences, Chongqing University, Chongqing 401331, P.R. China
| | - Zhi-Peng Wang
- Chongqing Institute of Green and Intelligent Technology, Chinese Academy of Sciences, Chongqing 400714, China
| | - Xumei Wen
- Chongqing Key Laboratory of Natural Product Synthesis and Drug Research, School of Pharmaceutical Sciences, Chongqing University, Chongqing 401331, P.R. China
| | - Siyu Li
- Chongqing Key Laboratory of Natural Product Synthesis and Drug Research, School of Pharmaceutical Sciences, Chongqing University, Chongqing 401331, P.R. China
| | - Guoxing Wei
- Chongqing Key Laboratory of Natural Product Synthesis and Drug Research, School of Pharmaceutical Sciences, Chongqing University, Chongqing 401331, P.R. China
| | - Jian Guo
- Chongqing Key Laboratory of Natural Product Synthesis and Drug Research, School of Pharmaceutical Sciences, Chongqing University, Chongqing 401331, P.R. China
| | - Yun He
- Chongqing Key Laboratory of Natural Product Synthesis and Drug Research, School of Pharmaceutical Sciences, Chongqing University, Chongqing 401331, P.R. China
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27
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Alhakamy NA, Noor AO, Hosny KM, Nasr JJ, Fouda MMG, Khattab TA, Gaffer HE. Synthesis of New Cyanopyridine Scaffolds and their Biological Activities. Curr Org Synth 2020; 17:567-575. [PMID: 32600235 DOI: 10.2174/1570179417666200628020602] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/09/2020] [Revised: 06/09/2020] [Accepted: 06/12/2020] [Indexed: 11/22/2022]
Abstract
BACKGROUND 3-Cyanopyridine analogues are significant moieties with a variety of biological effects such as antioxidant, antimicrobial, anti-inflammatory and cytotoxic agents. In addition, they could be applied in the treatment of several diseases. OBJECTIVE The study conducted cyclo-addition of 3a-e derivatives with malononitrile to yield the corresponding 6-(4-((3-cyano-pyridinyl) amino) phenyl)-4-phenylnicotinonitriles 4a-e. MATERIALS AND METHODS Physical and spectral analyses were performed to demonstrate the proper structures of all incorporated analogues. The in vitro antimicrobial activity of the preps derivatives was investigated by testing them with a panel of pathogenic strains of bacteria and fungi. The anti-tuberculosis activity was observed against the Mycobacterium tuberculosis H37Rv strain. When examining cytotoxic agents for four different cell lines, researchers found that their activity was persuasive compared with that of standard antibiotics. In addition, the antioxidant activity of the synthesized analogues was evaluated using the DPPH method. RESULTS AND DISCUSSIONS The synthesized analogues were examined to determine their activity against the M. tuberculosis H37Rv strain. Derivatives 2c, 2e, 3d and 3e had good inhibition. Further screening was done for the highest potency against M. tuberculosis to determine the MICs. The antioxidant efficacy was evaluated via the DPPH technique matched with vitamin C as a positive control. The prospective results showed that the derivatives did not display scavenging efficacies in comparison with the standard. CONCLUSION Some synthesized derivatives displayed good potency against bacterial activity and M. Tuberculosis. However, the antioxidant performance of these derivatives did not display scavenging efficacies compared to vitamin C. The cytotoxic activity of the synthesized derivatives was examined against various cell lines to display good cytotoxic activity in the order 4a-e > 2a-e > 3a-b.
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Affiliation(s)
- Nabil A Alhakamy
- Department of Pharmaceutics, Faculty of Pharmacy, King Abdulaziz University, Jeddah, Saudi Arabia,Center of Excellence for Drug Research and Pharmaceutical Industries, King Abdulaziz University, Jeddah 21589, Saudi Arabia
| | - Ahmad O Noor
- Department of Clinical Pharmacy, Faculty of Pharmacy, King Abdulaziz University, Jeddah, Saudi Arabia
| | - Khaled M Hosny
- Department of Pharmaceutics, Faculty of Pharmacy, King Abdulaziz University, Jeddah, Saudi Arabia
| | - Jenny Jeehan Nasr
- Department of Pharmaceutical Analytical Chemistry, Faculty of Pharmacy, Mansoura University, Mansoura 35516, Egypt
| | - Moustafa M G Fouda
- Pre-Treatment and Finishing of Cellulosic based Fibers Department, Textile Industries Research Division, National Research Centre, 33 El-Behooth Street, Dokki, Giza, 12311, Egypt
| | - Tawfik A Khattab
- Dyeing, Printing and Auxiliaries Department, National Research Centre, 33 El-Buhouth Street, Dokki, Cairo 12622, Egypt
| | - Hatem E Gaffer
- Dyeing, Printing and Auxiliaries Department, National Research Centre, 33 El-Buhouth Street, Dokki, Cairo 12622, Egypt
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