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Naithani K, Das A, Ushare M, Nath S, Biswas R, Kundu A, Ahmed KT, Mohan U, Bhowmik S. Design, synthesis, and evaluation of 1,4-benzothiazine-3-one containing bisamide derivatives as dual inhibitors of Staphylococcus aureus with plausible application in a urinary catheter. Front Chem 2024; 12:1420593. [PMID: 38988728 PMCID: PMC11233542 DOI: 10.3389/fchem.2024.1420593] [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: 04/20/2024] [Accepted: 06/03/2024] [Indexed: 07/12/2024] Open
Abstract
In this study, 1,4-benzothiazine-based bisamide derivatives, a new class of antibacterial agents targeting bacterial peptide deformylase (PDF), were designed and synthesized to combat Staphylococcus aureus infection. Molecular modeling of the designed molecules showed better docking scores compared to the natural product actinonin. Bioactivity assessment identified two derivatives with promising antibacterial activity in vitro. The stability of the most active molecule, 8bE, was assessed using molecular dynamics (MD) simulation. Significantly, compound 8bE could also inhibit the S. aureus biofilm at low concentrations. Furthermore, the capability of the synthesized molecule to inhibit S. aureus biofilm formation on medical devices like urinary catheters is also demonstrated.
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Affiliation(s)
- Kaushal Naithani
- Department of Medicinal Chemistry, National Institute of Pharmaceutical Education and Research, Kolkata, West Bengal, India
| | - Arka Das
- Department of Medicinal Chemistry, National Institute of Pharmaceutical Education and Research, Kolkata, West Bengal, India
| | - Mamta Ushare
- Department of Medicinal Chemistry, National Institute of Pharmaceutical Education and Research, Kolkata, West Bengal, India
| | - Subham Nath
- Department of Medicinal Chemistry, National Institute of Pharmaceutical Education and Research, Kolkata, West Bengal, India
- Microbiology Division, Department of Medicinal Chemistry, National Institute of Pharmaceutical Education and Research, Kolkata, West Bengal, India
| | - Rashmita Biswas
- Department of Medicinal Chemistry, National Institute of Pharmaceutical Education and Research, Kolkata, West Bengal, India
- Microbiology Division, Department of Medicinal Chemistry, National Institute of Pharmaceutical Education and Research, Kolkata, West Bengal, India
| | - Anirban Kundu
- Department of Natural Product, National Institute of Pharmaceutical Education and Research, Kolkata, West Bengal, India
| | - Kazi Tawsif Ahmed
- Department of Botany, Visva Bharati University, Santiniketan, West Bengal, India
| | - Utpal Mohan
- Department of Medicinal Chemistry, National Institute of Pharmaceutical Education and Research, Kolkata, West Bengal, India
- Microbiology Division, Department of Medicinal Chemistry, National Institute of Pharmaceutical Education and Research, Kolkata, West Bengal, India
| | - Subhendu Bhowmik
- Department of Medicinal Chemistry, National Institute of Pharmaceutical Education and Research, Kolkata, West Bengal, India
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2
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Taj S, Ashfaq UA, Ahmad M, Noor H, Ikram A, Ahmed R, Tariq M, Masoud MS, Hasan A. The antihyperglycemic potential of pyrazolobenzothiazine 1, 1-dioxide novel derivative in mice using integrated molecular pharmacological approach. Sci Rep 2024; 14:7746. [PMID: 38565861 PMCID: PMC10987501 DOI: 10.1038/s41598-023-49932-2] [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: 07/11/2023] [Accepted: 12/13/2023] [Indexed: 04/04/2024] Open
Abstract
Diabetes Mellitus is a metabolic disease characterized by elevated blood sugar levels caused by inadequate insulin production, which subsequently leads to hyperglycemia. This study was aimed to investigate the antidiabetic potential of pyrazolobenzothiazine derivatives in silico, in vitro, and in vivo. Molecular docking of pyrazolobenzothiazine derivatives was performed against α-glucosidase and α-amylase and compounds were selected based on docking score, bonding interactions and low root mean square deviation (RMSD). Enzyme inhibition assay against α-glucosidase and α-amylase was performed in vitro using p-nitrophenyl-α-D-glucopyranoside (PNPG) and starch substrate. Synthetic compound pyrazolobenzothiazine (S1) exhibited minimal conformational changes during the 100 ns MD simulation run. S1 also revealed effective IC50 values for α-glucosidase (3.91 µM) and α-amylase (8.89 µM) and an enzyme kinetic study showed low ki (- 0.186 µM, - 1.267 µM) and ki' (- 0.691 µM, - 1.78 µM) values with the competitive type of inhibition for both enzymes α-glucosidase and α-amylase, respectively. Moreover, studies were conducted to check the effect of the synthetic compound in a mouse model. A low necrosis rate was observed in the liver, kidney, and pancreas through histology analysis performed on mice. Compound S1 also exhibited a good biochemical profile with lower sugar level (110-115 mg/dL), increased insulin level (25-30 μM/L), and low level of cholesterol (85 mg/dL) and creatinine (0.6 mg/dL) in blood. The treated mice group also exhibited a low % of glycated haemoglobin (3%). This study concludes that S1 is a new antidiabetic-agent that helps lower blood glucose levels and minimizes the complications associated with type-II diabetes.
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Affiliation(s)
- Saman Taj
- Department of Bioinformatics and Biotechnology, Government College University Faisalabad, Faisalabad, 38000, Pakistan
| | - Usman Ali Ashfaq
- Department of Bioinformatics and Biotechnology, Government College University Faisalabad, Faisalabad, 38000, Pakistan
| | - Matloob Ahmad
- Department of Chemistry, Government College University Faisalabad, Faisalabad, 38000, Pakistan
| | - Hasnat Noor
- Department of Bioinformatics and Biotechnology, Government College University Faisalabad, Faisalabad, 38000, Pakistan
| | - Ayesha Ikram
- Department of Bioinformatics and Biotechnology, Government College University Faisalabad, Faisalabad, 38000, Pakistan
| | - Rashid Ahmed
- Department of Biotechnology, Faculty of Natural and Applied Sciences, Mirpur University of Science and Technology, New Mirpur City, 10250, Pakistan
| | - Muhammad Tariq
- Department of Biotechnology, Faculty of Natural and Applied Sciences, Mirpur University of Science and Technology, New Mirpur City, 10250, Pakistan
| | - Muhammad Shareef Masoud
- Department of Bioinformatics and Biotechnology, Government College University Faisalabad, Faisalabad, 38000, Pakistan.
| | - Anwarul Hasan
- Department of Mechanical and Industrial Engineering, Qatar University, 2713, Doha, Qatar.
- Biomedical Research Center (BRC), Qatar University, PO Box 2713, Doha, Qatar.
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Aslam S, Ali HS, Ahmad M, Mansha A, Ali N, Khan S, Naqvi SAR, Khalid Z, Asim S, Parvez M, Khalid M. A combined experimental and theoretical study of alkyl 2-(3-benzoyl-4‑hydroxy-1,1-dioxido-2H-benzo[e][1,2]thiazin-2-yl)acetates: Synthesis, X-ray crystallography and DFT. J Mol Struct 2022. [DOI: 10.1016/j.molstruc.2022.132671] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
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Reetu R, Gujjarappa R, Malakar CC. Recent Advances in Synthesis and Medicinal Evaluation of 1,2‐Benzothiazine Analogues. ASIAN J ORG CHEM 2022. [DOI: 10.1002/ajoc.202200163] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Affiliation(s)
- Reetu Reetu
- National Institute of Technology Manipur Chemistry INDIA
| | | | - Chandi C Malakar
- National Institute of Technology Manipur Department of Chemistry Langol, Imphal 795004 Imphal INDIA
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Taj S, Ahmad M, Alshammari A, Alghamdi A, Ali Ashfaq U. Exploring the therapeutic potential of benzothiazine-pyrazole hybrid molecules against alpha-glucosidase: Pharmacological and molecular modelling based approach. Saudi J Biol Sci 2022; 29:1416-1421. [PMID: 35280565 PMCID: PMC8913548 DOI: 10.1016/j.sjbs.2021.11.033] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/06/2021] [Revised: 11/11/2021] [Accepted: 11/17/2021] [Indexed: 11/14/2022] Open
Abstract
Diabetes mellitus (DM) is a metabolic disorder and a significant health problem all over the world. The current study elucidates the inhibitory potentials of the benzothiazine-pyrazole hybrid series against the α-Glucosidase enzyme. The molecular docking was employed to determine the binding affinity of synthetic compounds (ligands) with α-Glucosidase enzyme (receptor) active sites via the molecular operating environment (MOE). The molecular docking analysis revealed the best inhibitory interaction between certain synthetic compounds and the enzyme's active sites (α-Glucosidase). These compounds were further examined for drug-like properties, which necessarily validate the use of the compound as a drug. Then selected compounds were subjected to in vitro analysis to find the inhibitory potential with minimal dose. All compounds were docked into the active sites with the best binding pose and low rmsd values. The anti-diabetic analysis revealed that compound ST3 is more active against α-Glucosidase with IC50 values 5.8 µM as compared to acarbose which is 58.8 µM. The present study exhibited compound 2c has a high proficiency in lowering blood glucose levels compared to acarbose. This study strengthened the scope of designing/synthesizing these benzothiazine-pyrazole hybrid molecules as anti-diabetic drug molecules in the pharmaceutical industry.
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Affiliation(s)
- Saman Taj
- Department of Bioinformatics and Biotechnology, Government College University Faisalabad, Pakistan
| | - Matloob Ahmad
- Department of Chemistry, Government College University, Faisalabad, Pakistan
| | - Abdulrahman Alshammari
- Department of Pharmacology and Toxicology, College of Pharmacy, King Saud University, Riyadh 11451, Saudi Arabia
| | - Abdullah Alghamdi
- Department of Pathology and Laboratory Medicine, Riyadh Security Forces Hospital, Ministry of Interior, Kingdom of Saudi Arabia
| | - Usman Ali Ashfaq
- Department of Bioinformatics and Biotechnology, Government College University Faisalabad, Pakistan
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Saddique FA, Ahmad M, Ashfaq UA, Muddassar M, Sultan S, Zaki MEA. Identification of Cyclic Sulfonamides with an N-Arylacetamide Group as α-Glucosidase and α-Amylase Inhibitors: Biological Evaluation and Molecular Modeling. Pharmaceuticals (Basel) 2022; 15:106. [PMID: 35056163 PMCID: PMC8777765 DOI: 10.3390/ph15010106] [Citation(s) in RCA: 12] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/03/2021] [Revised: 12/31/2021] [Accepted: 01/06/2022] [Indexed: 02/04/2023] Open
Abstract
Diabetes mellitus (DM), a complicated metabolic disorder, is due to insensitivity to insulin function or reduction in insulin secretion, which results in postprandial hyperglycemia. α-Glucosidase inhibitors (AGIs) and α-amylase inhibitors (AAIs) block the function of digestive enzymes, which delays the carbohydrate hydrolysis process and ultimately helps to control the postprandial hyperglycemia. Diversified 2-(3-(3-methoxybenzoyl)-4-hydroxy-1,1-dioxido-2H-benzo[e][1,2]thiazin-2-yl)-N-arylacetamides were synthesized and evaluated for their in vitro inhibitory potential against α-glucosidase and α-amylase enzymes. The compounds with chloro, bromo and methyl substituents demonstrated good inhibition of α-glucosidase enzymes having IC50 values in the range of 25.88-46.25 μM, which are less than the standard drug, acarbose (IC50 = 58.8 μM). Similarly, some derivatives having chloro, bromo and nitro substituents were observed potent inhibitors of α-amylase enzyme, with IC50 values of 7.52 to 15.06 μM, lower than acarbose (IC50 = 17.0 μM). In addition, the most potent compound, N-(4-bromophenyl)-2-(4-hydroxy-3-(3-methoxybenzoyl)-1,1-dioxido-2H-benzo[e][1,2]thiazin-2-yl)acetamide (12i), was found to be a non-competitive and competitive inhibitor of α-glucosidase and α-amylase enzymes, respectively, during kinetic studies. The molecular docking studies provided the binding modes of active compounds and the molecular dynamics simulation studies of compound 12i in complex with α-amylase also showed that the compound is binding in a fashion similar to that predicted by molecular docking studies.
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Affiliation(s)
| | - Matloob Ahmad
- Department of Chemistry, Government College University, Faisalabad 38000, Pakistan;
| | - Usman Ali Ashfaq
- Department of Bioinformatics and Biotechnology, Government College University, Faisalabad 38000, Pakistan;
| | - Muhammad Muddassar
- Department of Biosciences, COMSATS University Islamabad, Park Road, Islamabad 45500, Pakistan;
| | - Sadia Sultan
- Faculty of Pharmacy, Puncak Alam Campus, Universiti Teknologi MARA, Bandar Puncak Alam 42300, Selangor Darul Ehsan, Malaysia;
- Atta-ur-Rahman Institute for Natural Products Discovery (AuRIns), Puncak Alam Campus, Universiti Teknologi MARA, Bandar Puncak Alam 42300, Selangor Darul Ehsan, Malaysia
| | - Magdi E. A. Zaki
- Department of Chemistry, Faculty of Science, Imam Mohammad Ibn Saud Islamic University (IMSIU), Riyadh 11623, Saudi Arabia
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Kumar S, Gupta S, Rani V, Sharma P. Pyrazole Containing Anti-HIV Agents: An Update. Med Chem 2022; 18:831-846. [PMID: 34994333 DOI: 10.2174/1573406418666220106163846] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/07/2021] [Revised: 11/08/2021] [Accepted: 11/09/2021] [Indexed: 11/22/2022]
Abstract
BACKGROUND Pyrazole scaffolds have gained importance in drug discovery and development for various pharmacological activities like antiviral, antifungal, anticancer, antidepressant, anti-inflammatory, antibacterial, etc. Additionally, the pyrazole moiety has shown potent anti-HIV activity as a core heterocycle or substituted heterocycles derivatives (mono, di, tri, tetra, and fused pyrazole derivatives). To assist the development of further potential anti-HIV agents containing pyrazole nucleus, here we have summarized pyrazole containing anti-HIV compounds that have been reported by researchers all over the world for the last two decades. OBJECTIVE The present review concentrates on an assortment of pyrazole containing compounds, particularly for potential therapeutic activity against HIV. METHODS Google Scholar, Pubmed, and SciFinder were searched databases with ''pyrazol'' keywords. Further, the year of publication and keywords ''Anti-HIV'' filter was applied to obtain relevant reported literature for anti-HIV agents containing pyrazole as a core or substituted derivatives. RESULTS This review article has shown the comprehensive compilation of 220 compounds containing pyrazole nucleus and possessing anti-HIV activity by sorting approximately 40 research articles from 2001 to date. 1-(4-Benzoylpiperazin-1-yl)-2-(4-fluoro-7-(1H-pyrazol-3-yl)-1H-pyrrolo[2,3-c]pyridin-3-yl)ethane-1,2-dione (13), 3-(3-(2-(4-benzoylpiperazin-1-yl)-2-oxoacetyl)-4-fluoro-1H-pyrrolo[2,3-c]pyridin-7-yl)-1H-pyrazole-5-carboxamide (31), 3-(3-(2-(4-benzoylpiperazin-1-yl)-2-oxoacetyl)-4-fluoro-1H-pyrrolo[2,3-c]pyridin-7-yl)-1H-pyrazole-5-carboxamide (88), 3-cyanophenoxypyrazole derivative (130), and 4-(4-chlorophenyl)-5-(4-methyl-5-((4-nitrophenyl)diazenyl)thiazol-2-yl)-3-phenyl-5,6-dihydro-4H-pyrazolo[4,3-d]isoxazole (178) were the most potent mono-, di-, tri-, tetra-substituted, and fused pyrazole derivatives, respectively, which have shown potent anti-HIV activity among all the described derivatives as compared with standard anti-HIV drugs. CONCLUSION This review article provides an overview of the potential therapeutic activity of pyrazole derivatives against HIV that will be helpful for designing pyrazole containing compounds for anti-HIV activity.
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Affiliation(s)
- Sanjay Kumar
- Punjab Biotechnology Incubator, Mohali, Punjab - 160 059, India
- Regional Advance Water Testing Laboratory, Mohali, Punjab - 160 059, India
| | - Shiv Gupta
- Division of Research and Development, Lovely Professional University, Phagwara, Punjab - 144 411, India
| | - Varsha Rani
- Department of Pharmaceutical Engineering and Technology, Indian Institute of Technology (Banaras Hindu University), Varanasi, UP, 221005, India
| | - Priyanka Sharma
- Biocon Bristol Myers Squibb Syngene International Pvt. Ltd., Bangalore - 560 099, India
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8
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Synthesis and α-Glucosidase Inhibition Activity of 2-[3-(Benzoyl/4-bromobenzoyl)-4-hydroxy-1,1-dioxido-2 H-benzo[ e][1,2]thiazin-2-yl]- N-arylacetamides: An In Silico and Biochemical Approach. Molecules 2021; 26:molecules26103043. [PMID: 34065194 PMCID: PMC8161055 DOI: 10.3390/molecules26103043] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/03/2021] [Revised: 05/05/2021] [Accepted: 05/10/2021] [Indexed: 12/30/2022] Open
Abstract
Diabetes mellitus (DM) is a chronic disorder and has affected a large number of people worldwide. Insufficient insulin production causes an increase in blood glucose level that results in DM. To lower the blood glucose level, various drugs are employed that block the activity of the α-glucosidase enzyme, which is considered responsible for the breakdown of polysaccharides into monosaccharides leading to an increase in the intestinal blood glucose level. We have synthesized novel 2-(3-(benzoyl/4-bromobenzoyl)-4-hydroxy-1,1-dioxido-2H-benzo[e][1,2]thiazin-2-yl)-N-arylacetamides and have screened them for their in silico and in vitro α-glucosidase inhibition activity. The derivatives 11c, 12a, 12d, 12e, and 12g emerged as potent inhibitors of the α-glucosidase enzyme. These compounds exhibited good docking scores and excellent binding interactions with the selected residues (Asp203, Asp542, Asp327, His600, Arg526) during in silico screening. Similarly, these compounds also showed good in vitro α-glucosidase inhibitions with IC50 values of 30.65, 18.25, 20.76, 35.14, and 24.24 μM, respectively, which were better than the standard drug, acarbose (IC50 = 58.8 μM). Furthermore, a good agreement was observed between in silico and in vitro modes of study.
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Ahmad S, Mahmood T, Ahmad M, Arshad MN, Ullah F, Shafiq M, Aslam S, Asiri AM. Synthesis, single crystal X-ray, spectroscopic and computational (DFT) studies 2,1-benzothiazine based hydrazone derivatives. J Mol Struct 2021. [DOI: 10.1016/j.molstruc.2020.129854] [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]
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10
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Ahmad Saddique F, Ahmad M, Kanwal A, Aslam S, Fawad Zahoor A. Recent trends toward the synthesis of fused-benzothiazines and their derivatives. SYNTHETIC COMMUN 2020. [DOI: 10.1080/00397911.2020.1830420] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/13/2023]
Affiliation(s)
| | - Matloob Ahmad
- Department of Chemistry, Government College University, Faisalabad, Pakistan
| | - Afshan Kanwal
- Department of Chemistry, Government College University, Faisalabad, Pakistan
| | - Sana Aslam
- Department of Chemistry, Government College Women University, Faisalabad, Pakistan
| | - Ameer Fawad Zahoor
- Department of Chemistry, Government College University, Faisalabad, Pakistan
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Okwuchukwu PM, Bandyopadhyay D. Medicinally Privileged Sultams: Synthesis and Mechanism of Action. Mini Rev Med Chem 2020; 20:2193-2206. [PMID: 32682375 DOI: 10.2174/1389557520666200719015234] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/01/2020] [Revised: 03/09/2020] [Accepted: 05/12/2020] [Indexed: 11/22/2022]
Abstract
To date, more than a thousand research articles have been published detailing various regio-, stereo-, chemo-, and enantioselective specific synthesis of the cyclic sulfonamides (sultams). Although enormous synthetic efforts were made, but bioactivities of sultams have not been widely investigated. Sultams are the sulfur analogs of lactams (cyclic amides) which demonstrate a broad range of medicinal activities and several lactam drugs are commercially available. In contrast, only a few sultam drugs are commercially available, while the presence of two oxygens on sulfur in sultam motifs can serve as a better H-bond acceptor than lactam scaffolds. One of the major objectives of this minireview is to draw appropriate attention from the medicinal/pharmaceutical chemists to conduct indepth research on sultam derivatives targeted to the development of new drugs. This article gives a brief account of the synthesis, potential bioactivity, and mechanisms of therapeutic action of four to seven-membered sultam derivatives. Based on the available literature, this is the first effort to consolidate only the medicinally privileged sultam molecules and drugs under the same umbrella. While every effort was taken to comprise all the relevant reports related to bioactive sultams, any oversight is truly unintentional.
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Affiliation(s)
- Precious M Okwuchukwu
- Department of Chemistry and the School of Earth, Environmental, and Marine Sciences (SEEMS), The University of Texas Rio Grande Valley, 1201 West University Drive, Edinburg, Texas 78539, United States
| | - Debasish Bandyopadhyay
- Department of Chemistry and the School of Earth, Environmental, and Marine Sciences (SEEMS), The University of Texas Rio Grande Valley, 1201 West University Drive, Edinburg, Texas 78539, United States
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12
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Alpha-glucosidase activity of novel pyrazolobenzothiazine 5,5-dioxide derivatives for the treatment of diabetes mellitus. Invitro combined with molecular docking approach. Biologia (Bratisl) 2019. [DOI: 10.2478/s11756-019-00294-z] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
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13
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Ahmad S, Jalil S, Zaib S, Aslam S, Ahmad M, Rasul A, Arshad MN, Sultan S, Hameed A, Asiri AM, Iqbal J. Synthesis, X-ray crystal and monoamine oxidase inhibitory activity of 4,6-dihydrobenzo[c]pyrano[2,3-e][1,2]thiazine 5,5-dioxides: In vitro studies and docking analysis. Eur J Pharm Sci 2019; 131:9-22. [PMID: 30735822 DOI: 10.1016/j.ejps.2019.02.007] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/07/2018] [Revised: 01/23/2019] [Accepted: 02/03/2019] [Indexed: 02/06/2023]
Abstract
We report the synthesis and biological evaluation of two new series of 2-amino-6-benzyl-4-phenyl-4,6-dihydrobenzo[c]pyrano[2,3-e][1,2]thiazine-3‑carbonitrile 5,5-dioxides and 2-amino-6-methyl-4-phenyl-4,6-dihydrobenzo[c]pyrano[2,3-e][1,2]thiazine-3‑carbonitrile 5,5-dioxides. The synthetic methodology involves a multistep reaction starting with methyl anthranilate which was coupled with methane sulfonyl chloride. The product of the reaction was subjected to N-benzylation and N-methylation reactions followed by ring closure with sodium hydride resulting in the formation of respective 2,1-benzothiazine 2,2-dioxides. These 2,1-benzothiazine precursors were subjected to multicomponent reaction with malononitrile and substituted benzaldehydes for the synthesis of two new series of pyranobenzothiazines (6a-r and 7a-r). The synthesized compounds were screened as selective inhibitors of monoamine oxidase A and monoamine oxidase B. The in vitro results suggested that compound 6d and 7q are the selective inhibitors of monoamine oxidase A, however, the selective and potent inhibitors of monoamine oxidase B included compounds 6h and 7r. Moreover, some dual inhibitors were noticed like 7l having more inhibitory activity towards both the isozymes. Moreover, the binding modes of the selective and potent inhibitors of monoamine oxidase A and B were investigated by molecular docking analysis. The results suggested that the synthetic derivatives may be potential towards the monoamine oxidase isozymes.
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Affiliation(s)
- Shakeel Ahmad
- Department of Chemistry, Government College University, Faisalabad 38000, Pakistan
| | - Saquib Jalil
- Centre for Advanced Drug Research, COMSATS University Islamabad, Abbottabad Campus, Abbottabad 22060, Pakistan
| | - Sumera Zaib
- Centre for Advanced Drug Research, COMSATS University Islamabad, Abbottabad Campus, Abbottabad 22060, Pakistan
| | - Sana Aslam
- Department of Chemistry, Government College Women University, Faisalabad 38000, Pakistan
| | - Matloob Ahmad
- Department of Chemistry, Government College University, Faisalabad 38000, Pakistan.
| | - Azhar Rasul
- Department of Zoology, Government College University, Faisalabad 38000, Pakistan
| | - Muhammad Nadeem Arshad
- Chemistry Department, Faculty of Science, King Abdulaziz University, P. O. Box 80203, Jeddah 21589, Saudi Arabia; Center of Excellence for Advanced Materials Research (CEAMR), King Abdulaziz University, P. O. Box 80203, Jeddah 21589, Saudi Arabia
| | - Sadia Sultan
- Faculty of Pharmacy, Universiti Teknologi MARA, Puncak Alam Campus, 42300 Bandar Puncak Alam, Selangor Darul Ehsan, Malaysia; Atta-ur-Rahman Institute for Natural Products Discovery (AuRIns), Universiti Teknologi MARA, Puncak Alam Campus, 42300 Bandar Puncak Alam, Selangor Darul Ehsan, Malaysia
| | - Abdul Hameed
- HEJ Research Institute of Chemistry, University of Karachi, Karachi, Pakistan
| | - Abdullah M Asiri
- Chemistry Department, Faculty of Science, King Abdulaziz University, P. O. Box 80203, Jeddah 21589, Saudi Arabia; Center of Excellence for Advanced Materials Research (CEAMR), King Abdulaziz University, P. O. Box 80203, Jeddah 21589, Saudi Arabia
| | - Jamshed Iqbal
- Centre for Advanced Drug Research, COMSATS University Islamabad, Abbottabad Campus, Abbottabad 22060, Pakistan.
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Kobayashi K, Fujiwara D. Synthesis of (E)-N-Substituted 1,2-Benzothiazol-3(2H)-imine 1,1-Dioxide Derivatives from Secondary Benzenesulfonamides and Isothiocyanates. HETEROCYCLES 2018. [DOI: 10.3987/com-18-13923] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/03/2023]
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15
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Etsè KS, Dassonneville B, Zaragoza G, Demonceau A. One-pot, Pd/Cu-catalysed synthesis of alkynyl-substituted 3-ylidene-dihydrobenzo[d]isothiazole 1,1-dioxides. Tetrahedron Lett 2017. [DOI: 10.1016/j.tetlet.2017.01.041] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
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16
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Saif MJ, Ahmad M, Idrees N. X-ray crystal and DFT study of a potent anti-HIV-1 agent: 2-(5,5-Dioxido-3-phenylpyrazolo[4,3-c][1,2]benzothiazin-4(2H)-yl)-N′-[(3-nitrophenyl)methylidene]acetohydrazide. JOURNAL OF THEORETICAL & COMPUTATIONAL CHEMISTRY 2016. [DOI: 10.1142/s0219633616500383] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
Abstract
This study presents structural features of an important benzothiazine derivative -[Formula: see text]2-(5,5-Dioxido-3-phenylpyrazolo[4,3-c][1,2]benzothiazin-4(2H)-yl)-N[Formula: see text]-[(3-nitrophenyl)methylidene]acetohydrazide. Molecular structure is characterized by single crystal XRD and compared with optimized geometry at B3LYP/6-31G(d,p) and PBE0/6-31G(d,p) levels of density functional theory (DFT). Simulated properties (1H-NMR & IR) are in good correlation with experimental results. Electronic properties (coefficients of HOMO and LUMO) are also presented.
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Affiliation(s)
- Muhammad Jawwad Saif
- Department of Applied Chemistry, Government College University, Faisalabad-38000, Pakistan
| | - Matloob Ahmad
- Department of Chemistry, Government College University, Faisalabad-38000, Pakistan
| | - Nazeran Idrees
- Department of Mathematics, Government College University, Faisalabad-38000, Pakistan
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Zhang H, Wei Q, Zhu G, Qu J, Wang B. A facile and expeditious approach to substituted 1 H -pyrazoles catalyzed by iodine. Tetrahedron Lett 2016. [DOI: 10.1016/j.tetlet.2016.05.020] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
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Khalid Z, Aslam S, Ahmad M, Munawar MA, Montero C, Detorio M, Parvez M, Schinazi RF. Anti-HIV activity of new pyrazolobenzothiazine 5,5-dioxide-based acetohydrazides. Med Chem Res 2015; 24:3671-3680. [PMID: 34316244 PMCID: PMC8312988 DOI: 10.1007/s00044-015-1411-z] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
Abstract
A series of fifteen new 2-[3-(3-chlorophenyl)-5,5-dioxidobenzo[e]pyrazolo[4,3-c][1,2]thiazin-4(2H)-yl]-N'-arylmethyleneacetohydrazides (5a-o) were synthesized and screened for their anti-HIV-1 and cytotoxicity activity. Out of fifteen pyrazolobenzothiazine-based hydrazones, thirteen were found to be active inhibitors of HIV with EC50 values <20 μM. Moreover, the cytotoxicity results showed that most of the compounds were toxic to PBM, CEM and Vero cell lines. This information could be used for structural modifications to acquire good candidates of HIV drugs.
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Affiliation(s)
- Zunera Khalid
- Institute of Chemistry, University of the Punjab, Lahore 54590, Pakistan
| | - Sana Aslam
- Institute of Chemistry, University of the Punjab, Lahore 54590, Pakistan
- Department of Chemistry, Government College Women University, Faisalabad 38000, Pakistan
| | - Matloob Ahmad
- Department of Chemistry, Government College University, Faisalabad 38000, Pakistan
| | | | - Catherine Montero
- Center for AIDS Research, Laboratory of Biochemical Pharmacology, Emory University School of Medicine/Veterans Affairs Medical Center, 1760 Haygood Drive, Atlanta, GA 30322, USA
| | - Mervi Detorio
- Center for AIDS Research, Laboratory of Biochemical Pharmacology, Emory University School of Medicine/Veterans Affairs Medical Center, 1760 Haygood Drive, Atlanta, GA 30322, USA
| | - Masood Parvez
- Department of Chemistry, The University of Calgary, 2500 University Drive NW, Calgary, AB T2N 1N4, Canada
| | - Raymond F. Schinazi
- Center for AIDS Research, Laboratory of Biochemical Pharmacology, Emory University School of Medicine/Veterans Affairs Medical Center, 1760 Haygood Drive, Atlanta, GA 30322, USA
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