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Almas I, Malik A, Rasool N, Kanwal A, Khalid T, Nawaz H. Microwave-assisted protocol towards synthesis of heterocyclic molecules: a comparative analysis with conventional synthetic methodologies (years 2019-2023): a review. Mol Divers 2024:10.1007/s11030-024-10981-y. [PMID: 39302538 DOI: 10.1007/s11030-024-10981-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/12/2024] [Accepted: 08/26/2024] [Indexed: 09/22/2024]
Abstract
Microwave-assisted protocols have become extensively accepted across various scientific and technological domains because of their numerous advantages, shorter reaction times, higher yields, and often milder reaction conditions. In this review, we focus on the synthesis of N, O, and S-containing heterocyclic structural cores, crucial in the development of pharmaceuticals, agrochemicals, and materials science following through conventional and microwave method via eliminating the side products and enhances the product yield that is nowadays the biggest barrier for a synthetic chemist. The major findings emphasizes the substantial advantages of microwave-assisted techniques over conventional synthetic protocols. This comparative study underscores the potential of microwave-assisted techniques to revolutionize heterocyclic compound synthesis, providing insights into optimizing reaction conditions and expanding the scope of chemical synthesis in industrial applications.
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Affiliation(s)
- Iffat Almas
- Department of Chemistry, Government College University Faisalabad, Faisalabad, 38000, Pakistan
| | - Ayesha Malik
- Department of Chemistry, Government College University Faisalabad, Faisalabad, 38000, Pakistan.
| | - Nasir Rasool
- Department of Chemistry, Government College University Faisalabad, Faisalabad, 38000, Pakistan
| | - Aqsa Kanwal
- Department of Chemistry, Government College University Faisalabad, Faisalabad, 38000, Pakistan
| | - Tahira Khalid
- Department of Chemistry, Government College University Faisalabad, Faisalabad, 38000, Pakistan
| | - Hamna Nawaz
- Department of Chemistry, Government College University Faisalabad, Faisalabad, 38000, Pakistan
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Patel PP, Patel NB, Tople MS, Patel VM, Ahmed I, Patel H. Microwave produced 8-methyl-1,2,4,8-tetraazaspiro[4.5]dec-2-en-3-amine derivatives: their in vitro and in silico analysis. Mol Divers 2024; 28:1409-1422. [PMID: 37280405 PMCID: PMC10243700 DOI: 10.1007/s11030-023-10665-z] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/10/2023] [Accepted: 05/22/2023] [Indexed: 06/08/2023]
Abstract
Compound 1 is formed by a microwave-assisted multicomponent reaction of 1-methylpiperidin-4-one, 2-amino-4-methoxy-6-methyl-1,3,5-triazine, and thiosemicarbazide, followed by the synthesis of Schiff base 2a-l with a variety of aldehydes. A comparison was made between the conventional and microwave methods, and the microwave approach was shown to be considerably superior to the classical method since it takes less time and produces higher yields. Several spectral investigations, including 1H NMR, 13C NMR, Mass, and IR spectroscopy, are used to characterize the complete series. In vitro antibacterial testing suggests that compounds 2c, 2f, and 2g are promising antibacterial agents, although compounds 2d, 2e, and 2l are effective antimycobacterial agents when compared to the conventional medicine Rifampicin. The docking score from docking studies is considerable, which validates the results of the biological examination. Molecular docking was performed on Escherichia coli DNA gyrase. According to the in silico ADME analysis, each drug molecule is ideal for use in terms of drug solubility, hydrogen bonding, and cell permeability.
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Affiliation(s)
- Parth P. Patel
- Organic Research Laboratory, Department of Chemistry, Veer Narmad South Gujarat University, Udhana-Magdalla Road, Surat, Gujarat 395 007 India
| | - Navin B. Patel
- Organic Research Laboratory, Department of Chemistry, Veer Narmad South Gujarat University, Udhana-Magdalla Road, Surat, Gujarat 395 007 India
| | - Manesh S. Tople
- Organic Research Laboratory, Department of Chemistry, Veer Narmad South Gujarat University, Udhana-Magdalla Road, Surat, Gujarat 395 007 India
| | - Vatsal M. Patel
- Department of Chemistry, Jamanaben Narottambhai Motiram Patel Science College, Surat, Gujarat 395017 India
| | - Iqrar Ahmed
- Department of Pharmaceutical Chemistry, Prof. Ravindra Nikam College of Pharmacy, Gondur, Dhule, Maharashtra 424002 India
| | - Harun Patel
- Division of Computer Aided Drug Design, Department of Pharmaceutical Chemistry, R. C. Patel Institute of Pharmaceutical Education and Research, Shirpur, Maharashtra 425405 India
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3
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Javahershenas R, Makarem A, Klika KD. Recent advances in microwave-assisted multicomponent synthesis of spiro heterocycles. RSC Adv 2024; 14:5547-5565. [PMID: 38357035 PMCID: PMC10866134 DOI: 10.1039/d4ra00056k] [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: 01/03/2024] [Accepted: 01/29/2024] [Indexed: 02/16/2024] Open
Abstract
Spiro heterocycle frameworks are a class of organic compounds that possesses unique structural features making them highly sought-after targets in drug discovery due to their diverse biological and pharmacological activities. Microwave-assisted organic synthesis has emerged as a powerful tool for assembling complex molecular architectures. The use of microwave irradiation in synthetic chemistry is a promising method for accelerating reaction rates and improving yields. This review provides insights into the current state of the art and highlights the potential of microwave-assisted multicomponent reactions in the synthesis of novel spiro heterocyclic compounds that were reported between 2017 and 2023.
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Affiliation(s)
- Ramin Javahershenas
- Department of Organic Chemistry, Faculty of Chemistry, Urmia University Urmia Iran
| | - Ata Makarem
- Institute of Pharmacy, University of Hamburg 20146 Hamburg Germany
| | - Karel D Klika
- Molecular Structure Analysis, German Cancer Research Center (DKFZ) 69120 Heidelberg Germany
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4
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Faleye OS, Boya BR, Lee JH, Choi I, Lee J. Halogenated Antimicrobial Agents to Combat Drug-Resistant Pathogens. Pharmacol Rev 2023; 76:90-141. [PMID: 37845080 DOI: 10.1124/pharmrev.123.000863] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/07/2023] [Revised: 08/07/2023] [Accepted: 09/29/2023] [Indexed: 10/18/2023] Open
Abstract
Antimicrobial resistance presents us with a potential global crisis as it undermines the abilities of conventional antibiotics to combat pathogenic microbes. The history of antimicrobial agents is replete with examples of scaffolds containing halogens. In this review, we discuss the impacts of halogen atoms in various antibiotic types and antimicrobial scaffolds and their modes of action, structure-activity relationships, and the contributions of halogen atoms in antimicrobial activity and drug resistance. Other halogenated molecules, including carbohydrates, peptides, lipids, and polymeric complexes, are also reviewed, and the effects of halogenated scaffolds on pharmacokinetics, pharmacodynamics, and factors affecting antimicrobial and antivirulence activities are presented. Furthermore, the potential of halogenation to circumvent antimicrobial resistance and rejuvenate impotent antibiotics is addressed. This review provides an overview of the significance of halogenation, the abilities of halogens to interact in biomolecular settings and enhance pharmacological properties, and their potential therapeutic usages in preventing a postantibiotic era. SIGNIFICANCE STATEMENT: Antimicrobial resistance and the increasing impotence of antibiotics are critical threats to global health. The roles and importance of halogen atoms in antimicrobial drug scaffolds have been established, but comparatively little is known of their pharmacological impacts on drug resistance and antivirulence activities. This review is the first to extensively evaluate the roles of halogen atoms in various antibiotic classes and pharmacological scaffolds and to provide an overview of their ability to overcome antimicrobial resistance.
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Affiliation(s)
- Olajide Sunday Faleye
- School of Chemical Engineering (O.S.F., B.R.B., J.-H.L., J.L.) and Department of Medical Biotechnology (I.C.), Yeungnam University, Gyeongsan, Republic of Korea
| | - Bharath Reddy Boya
- School of Chemical Engineering (O.S.F., B.R.B., J.-H.L., J.L.) and Department of Medical Biotechnology (I.C.), Yeungnam University, Gyeongsan, Republic of Korea
| | - Jin-Hyung Lee
- School of Chemical Engineering (O.S.F., B.R.B., J.-H.L., J.L.) and Department of Medical Biotechnology (I.C.), Yeungnam University, Gyeongsan, Republic of Korea
| | - Inho Choi
- School of Chemical Engineering (O.S.F., B.R.B., J.-H.L., J.L.) and Department of Medical Biotechnology (I.C.), Yeungnam University, Gyeongsan, Republic of Korea
| | - Jintae Lee
- School of Chemical Engineering (O.S.F., B.R.B., J.-H.L., J.L.) and Department of Medical Biotechnology (I.C.), Yeungnam University, Gyeongsan, Republic of Korea
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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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Musabirov IZ, Gataullin RR. New Synthetic Approaches to Benzo-Fused Spiro Heterocycles. RUSSIAN JOURNAL OF ORGANIC CHEMISTRY 2022. [DOI: 10.1134/s1070428022100013] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
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7
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Ali E, Naimi-Jamal MR, Rashid Z, Ghahremanzadeh R. A Novel and Efficient Isocyanide-Catalyzed Addition Reaction of Enaminones to Isatin Derivatives for Oxindoles Synthesis. Polycycl Aromat Compd 2022. [DOI: 10.1080/10406638.2020.1768566] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
Affiliation(s)
- Elham Ali
- Research Laboratory of Green Organic Synthesis and Polymers, Department of Chemistry, Iran University of Science and Technology, Tehran, Iran
| | - Mohammad Reza Naimi-Jamal
- Research Laboratory of Green Organic Synthesis and Polymers, Department of Chemistry, Iran University of Science and Technology, Tehran, Iran
| | - Zahra Rashid
- Department of Nano biotechnology, Avicenna Research Institute, Tehran, Iran
| | - Ramin Ghahremanzadeh
- Nanobiotechnology Research Center, Avicenna Research Institute, ACECR, Tehran, Iran
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Nasri S, Bayat M, Mirzaei F. Recent Strategies in the Synthesis of Spiroindole and Spirooxindole Scaffolds. Top Curr Chem (Cham) 2021; 379:25. [PMID: 34002298 DOI: 10.1007/s41061-021-00337-7] [Citation(s) in RCA: 18] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/27/2020] [Accepted: 05/07/2021] [Indexed: 11/28/2022]
Abstract
Spiroindole and spirooxindole scaffolds are very important spiro-heterocyclic compounds in drug design processes. Significant attention has been directed at obtaining molecules based on spiroindole and spirooxindole derivatives that have bioactivity against cancer cells, microbes, and different types of disease affecting the human body. Due to their inherent three-dimensional nature and ability to project functionalities in all three dimensions, they have become biological targets. Considering reports on spiroindole and spirooxindole-containing scaffolds in the past decades, introducing novel synthetic procedures has been an active research field of organic chemistry for well over a century and will be useful in creating new therapeutic agents. This review summarizes the pharmacological significance of spiroindole and spirooxindole scaffolds and highlights the latest strategies for their synthesis, focusing particularly on the past 2 years with typical examples. The spiroindole and spirooxindoles in this review are divided by the type and ring size of the spirocycle that is fused to indole or oxindole. Summarizing these procedures will be very beneficial for discovering novel therapeutic candidate molecules.
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Affiliation(s)
- Shima Nasri
- 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.
| | - Faezeh Mirzaei
- Department of Chemistry, Faculty of Science, Imam Khomeini International University, Qazvin, Iran
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9
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Brandão P, Marques CS, Carreiro EP, Pineiro M, Burke AJ. Engaging Isatins in Multicomponent Reactions (MCRs) - Easy Access to Structural Diversity. CHEM REC 2021; 21:924-1037. [PMID: 33599390 DOI: 10.1002/tcr.202000167] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2020] [Revised: 01/25/2021] [Indexed: 12/15/2022]
Abstract
Multicomponent reactions (MCRs) are a valuable tool in diversity-oriented synthesis. Its application to privileged structures is gaining relevance in the fields of organic and medicinal chemistry. Isatin, due to its unique reactivity, can undergo different MCRs, affording multiple interesting scaffolds, namely oxindole-derivatives (including spirooxindoles, bis-oxindoles and 3,3-disubstituted oxindoles) and even, under certain conditions, ring-opening reactions occur that leads to other heterocyclic compounds. Over the past few years, new methodologies have been described for the application of this important and easily available starting material in MCRs. In this review, we explore these novelties, displaying them according to the structure of the final products obtained.
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Affiliation(s)
- Pedro Brandão
- University of Coimbra, CQC and Department of Chemistry, 3004-535, Coimbra, Portugal.,LAQV-REQUIMTE, University of Évora, Rua Romão Ramalho, 59, 7000, Évora, Portugal
| | - Carolina S Marques
- LAQV-REQUIMTE, University of Évora, Rua Romão Ramalho, 59, 7000, Évora, Portugal
| | - Elisabete P Carreiro
- LAQV-REQUIMTE, University of Évora, Rua Romão Ramalho, 59, 7000, Évora, Portugal
| | - M Pineiro
- University of Coimbra, CQC and Department of Chemistry, 3004-535, Coimbra, Portugal
| | - Anthony J Burke
- LAQV-REQUIMTE, University of Évora, Rua Romão Ramalho, 59, 7000, Évora, Portugal.,University of Evora, Department of Chemistry, Rua Romão Ramalho, 59, 7000, Évora, Portugal
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10
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The application of isatin-based multicomponent-reactions in the quest for new bioactive and druglike molecules. Eur J Med Chem 2020; 211:113102. [PMID: 33421712 DOI: 10.1016/j.ejmech.2020.113102] [Citation(s) in RCA: 47] [Impact Index Per Article: 11.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/16/2020] [Revised: 12/09/2020] [Accepted: 12/10/2020] [Indexed: 12/16/2022]
Abstract
Oxindole derivatives are known for their great interest in the field of Medicinal Chemistry, as they display vast biological activities. Recent efforts concerning the preparation of oxindole derivatives using isatin-based multicomponent reactions (MCRs) constitute a great advance in generating druglike libraries fast and with wide scaffold diversity. In this review, we address those recent developments, exploring the synthetic pathways and biological activities described for these compounds, namely antitumor, antibacterial, antifungal, antiparasitic, antiviral, antioxidant, anti-inflammatory and central nervous system (CNS) pathologies. To add new depth to this work, we used a well-established web-based free tool (SwissADME) to evaluate the most promising scaffolds in what concerns their druglike properties, namely by evaluating their compliance with some of the most valuable rules applied by medicinal chemists in both academia and industrial settings (Lipinski, Ghose, Veber, Egan, Muegge). The aim of this review is to endorse isatin-based MCRs as a valuable synthetic approach to attain new hit compounds bearing the oxindole privileged structure, while critically exploring these scaffolds' druglike properties.
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11
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Indole-based derivatives as potential antibacterial activity against methicillin-resistance Staphylococcus aureus (MRSA). Eur J Med Chem 2020; 194:112245. [DOI: 10.1016/j.ejmech.2020.112245] [Citation(s) in RCA: 54] [Impact Index Per Article: 13.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/18/2019] [Revised: 02/20/2020] [Accepted: 03/16/2020] [Indexed: 12/15/2022]
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12
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Computational Biology Approaches Revealing Novel Target in Vascular Wilt Pathogen Fusarium oxysporum f. sp. lycopersici for the Ligands of Marine Actinobacterial Origin. JOURNAL OF PURE AND APPLIED MICROBIOLOGY 2020. [DOI: 10.22207/jpam.14.1.37] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
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13
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Nasri S, Bayat M, Farahani HV, Karami S. Synthesis of new functionalized thiazolo pyridine-fused and thiazolo pyridopyrimidine-fused spirooxindoles via one-pot reactions. Heliyon 2020; 6:e03687. [PMID: 32258502 PMCID: PMC7114753 DOI: 10.1016/j.heliyon.2020.e03687] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/24/2019] [Revised: 03/18/2020] [Accepted: 03/25/2020] [Indexed: 11/29/2022] Open
Abstract
A sequential multi-component reaction of the nitroketene dithioacetals, cysteamine hydrochloride, isatin and different CH-acids is described. This efficient method provides new functionalized thiazolo pyridine-fused spirooxindoles and thiazolo pyridopyrimidine-fused spirooxindoles in good yields. In the case of using isatin derivatives (5-bromoisatin and 5-chloroisatin), the reaction was carried out by using nano-SiO2 (20 mol%) as an effective heterogeneous Lewis acid promoter. This type of reaction provides a range of skeletally different polycyclic spiro thiazole-based heterocyclic structures and represents attractive advantages including straightforward one-pot operation under the catalyst-free condition and simple workup procedures without using tedious purification procedure.
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Affiliation(s)
| | - Mohammad Bayat
- Department of Chemistry, Faculty of Science, Imam Khomeini International University, Qazvin, Iran
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Gandhi D, Sethiya A, Agarwal DK, Prajapat P, Agarwal S. Design, Synthesis and Antimicrobial Study of Novel 1-(1,3-benzothiazol-2- yl)-3-chloro-4H-spiro[azetidine-2,3'-indole]-2',4(1'H)-diones Through Ketene– imine Cycloaddition Reaction. LETT ORG CHEM 2020. [DOI: 10.2174/1570178616666190705153224] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Abstract
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The present study deals with the synthesis of novel 1-(1,3-benzothiazol-2-yl)-3-chloro-4Hspiro[
azetidine-2,3'-indole]-2',4(1'H)-dione derivatives from the reaction of 3-(1,3-benzothiazol-2-
ylimino)-1,3-dihydro-2H-indol-2-one derivatives with chloroacetyl chloride in the presence of triethylamine
(TEA). The mechanism involved simple acid or base catalysed reaction through the formation of
Schiff base followed by cyclisation via ketene–imine cycloaddition reaction. All synthesized compounds
were characterized by FT-IR, 1H-NMR, 13C-NMR, and elemental analysis. The antimicrobial
activities of the synthesized derivatives 5a-5g were examined via Micro Broth Dilution method against
bacterial strains Bacillius subtilis, Staphylcoccus aureus, E. coli, P. aeruginosa, and fungal strain Candida
albicans for determining MIC values. Ampicillin, chloramphenicol, and griseofulvin were used as
standard drugs.
:
The MIC values for antimicrobial activity of synthesized compounds were examined using Micro
Broth Dilution method. Compounds 5a, 5b, and 5c were found effective against E. coli (MTCC 442)
and P.aeruginosa (MTCC 441) and all compounds showed moderate to excellent activity against
Streptococcus aureus (MTCC 96) and Bacillius subtilis (MTCC 441). Regarding the antifungal screening,
compounds 5a, 5b, and 5c exhibited excellent activity against Candida albicans MTCC 227.
1-(1,3-benzothiazol-2-yl)-3-chloro-4H-spiro[azetidine-2,3'-indole]-2',4(1'H)-dione derivatives may be
used as potential lead molecules as effective antimicrobial agents.
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Affiliation(s)
- Divyani Gandhi
- Synthetic Organic Chemistry Laboratory, Department of Chemistry, MLSU, Udaipur, Rajasthan, India
| | - Ayushi Sethiya
- Synthetic Organic Chemistry Laboratory, Department of Chemistry, MLSU, Udaipur, Rajasthan, India
| | | | - Prakash Prajapat
- Department of Chemistry, Ganpat University, Mehsana, Gujarat, India
| | - Shikha Agarwal
- Synthetic Organic Chemistry Laboratory, Department of Chemistry, MLSU, Udaipur, Rajasthan, India
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