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Bhunia S, Jana SK, Sarkar S, Das A, Mandal S, Samanta S. Direct Growth Control of Antibiotic-Resistant Bacteria Using Visible-Light-Responsive Novel Photoswitchable Antibiotics. Chemistry 2024; 30:e202303685. [PMID: 38217466 DOI: 10.1002/chem.202303685] [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: 11/07/2023] [Revised: 12/21/2023] [Accepted: 01/08/2024] [Indexed: 01/15/2024]
Abstract
In addition to the discovery of new (modified) potent antibiotics to combat antibiotic resistance, there is a critical need to develop novel strategies that would restrict their off-target effects and unnecessary exposure to bacteria in our body and environment. We report a set of new photoswitchable arylazopyrazole-modified norfloxacin antibiotics that present a high degree of bidirectional photoisomerization, impressive fatigue resistance and reasonably high cis half-lives. The irradiated isomers of most compounds were found to exhibit nearly equal or higher antibacterial activity than norfloxacin against Gram-positive bacteria. Notably, against norfloxacin-resistant S. aureus bacteria, the visible-light-responsive p-SMe-substituted derivative showed remarkably high antimicrobial potency (MIC of 0.25 μg/mL) in the irradiated state, while the potency was reduced by 24-fold in case of its non-irradiated state. The activity was estimated to be retained for more than 7 hours. This is the first report to demonstrate direct photochemical control of the growth of antibiotic-resistant bacteria and to show the highest activity difference between irradiated and non-irradiated states of a photoswitchable antibiotic. Additionally, both isomers were found to be non-harmful to human cells. Molecular modellings were performed to identify the underlying reason behind the high-affinity binding of the irradiated isomer to topoisomerase IV enzyme.
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Affiliation(s)
- Supriya Bhunia
- Department of Chemistry, University of Calcutta, 92 A.P.C. Road, Kolkata, 700009, West Bengal, India
| | - Santosh Kumar Jana
- Department of Microbiology, University of Calcutta, 35-Ballygunge Circular Road, Kolkata, 700019, West Bengal, India
| | - Soumik Sarkar
- Department of Chemistry, University of Calcutta, 92 A.P.C. Road, Kolkata, 700009, West Bengal, India
| | - Arpan Das
- Department of Chemistry, University of Calcutta, 92 A.P.C. Road, Kolkata, 700009, West Bengal, India
| | - Sukhendu Mandal
- Department of Microbiology, University of Calcutta, 35-Ballygunge Circular Road, Kolkata, 700019, West Bengal, India
| | - Subhas Samanta
- Department of Chemistry, University of Calcutta, 92 A.P.C. Road, Kolkata, 700009, West Bengal, India
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Bhunia S, Das A, Jana SK, Mandal S, Samanta S. Photoswitchable Antibiotic Hybrids: Spacer Length-Dependent Photochemical Control of Antibacterial Activity. Bioconjug Chem 2024; 35:92-98. [PMID: 38111208 DOI: 10.1021/acs.bioconjchem.3c00488] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2023]
Abstract
Photopharmacology holds huge potential for the permanent (long-term) eradication of antibiotic resistance by the application of photoswitchable antibiotics. To construct such antibiotics, various methods have been employed to modify known antibiotics with photoswitches, such that the irradiated state shows activity comparable to or higher than that of the parent antibiotic and that a large activity difference between irradiated and nonirradiated states is achieved. However, most of those methods are ineffective when dealing with more than one drug with dissimilar structures. Here, we have demonstrated a new approach, in which two pharmacophores, one being a photoswitch, are covalently linked via a spacer of variable lengths, leading to a set of azopyrazole-norfloxacin antibiotic hybrids. All compounds showed a high degree of bidirectional photoisomerization, long thermal cis half-lives, and excellent photoresistance. Notably, the hybrid with an optimal four-carbon spacer length enabled the irradiated state to become 12-fold more potent than its nonirradiated state without losing much antimicrobial activity of norfloxacin. Only Gram-positive bacteria were found to be sensitive to this hybrid, and the full antibacterial potency of its irradiated state was found to be retained for nearly 24 h.
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Affiliation(s)
- Supriya Bhunia
- Department of Chemistry, University of Calcutta, 92 A.P.C. Road, Kolkata 700009, West Bengal, India
| | - Arpan Das
- Department of Chemistry, University of Calcutta, 92 A.P.C. Road, Kolkata 700009, West Bengal, India
| | - Santosh Kumar Jana
- Department of Microbiology, University of Calcutta, 35-Ballygunge Circular Road, Kolkata 700019, West Bengal, India
| | - Sukhendu Mandal
- Department of Microbiology, University of Calcutta, 35-Ballygunge Circular Road, Kolkata 700019, West Bengal, India
| | - Subhas Samanta
- Department of Chemistry, University of Calcutta, 92 A.P.C. Road, Kolkata 700009, West Bengal, India
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Powerful Potential of Polyfluoroalkyl-Containing 4-Arylhydrazinylidenepyrazol-3-ones for Pharmaceuticals. MOLECULES (BASEL, SWITZERLAND) 2022; 28:molecules28010059. [PMID: 36615256 PMCID: PMC9821843 DOI: 10.3390/molecules28010059] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 11/21/2022] [Revised: 12/08/2022] [Accepted: 12/13/2022] [Indexed: 12/24/2022]
Abstract
4-Arylhydrazinylidene-5-(polyfluoroalkyl)pyrazol-3-ones (4-AHPs) were found to be obtained by the regiospecific cyclization of 2-arylhydrazinylidene-3-(polyfluoroalkyl)-3-oxoesters with hydrazines, by the azo coupling of 4-nonsubstituted pyrazol-5-oles with aryldiazonium chlorides or by the firstly discovered acid-promoted self-condensation of 2-arylhydrazinylidene-3-oxoesters. All the 4-AHPs had an acceptable ADME profile. Varying the substituents in 4-AHPs promoted the switching or combining of their biological activity. The polyfluoroalkyl residue in 4-AHPs led to the appearance of an anticarboxylesterase action in the micromolar range. An NH-fragment and/or methyl group instead of the polyfluoroalkyl one in the 4-AHPs promoted antioxidant properties in the ABTS, FRAP and ORAC tests, as well as anti-cancer activity against HeLa that was at the Doxorubicin level coupled with lower cytotoxicity against normal human fibroblasts. Some Ph-N-substituted 4-AHPs could inhibit the growth of N. gonorrhoeae bacteria at MIC 0.9 μg/mL. The possibility of using 4-AHPs for cell visualization was shown. Most of the 4-AHPs exhibited a pronounced analgesic effect in a hot plate test in vivo at and above the diclofenac and metamizole levels except for the ones with two chlorine atoms in the aryl group. The methylsulfonyl residue was proved to raise the anti-inflammatory effect also. A mechanism of the antinociceptive action of the 4-AHPs through blocking the TRPV1 receptor was proposed and confirmed using in vitro experiment and molecular docking.
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Mustafa G, Zia-ur-Rehman M, Sumrra SH, Ashfaq M, Zafar W, Ashfaq M. A critical review on recent trends on pharmacological applications of pyrazolone endowed derivatives. J Mol Struct 2022. [DOI: 10.1016/j.molstruc.2022.133044] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
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Seven metal-based bi-dentate NO azocoumarine complexes: Synthesis, characterization, DFT calculations, Drug-Likeness, in vitro antimicrobial screening and molecular docking analysis. Inorganica Chim Acta 2022. [DOI: 10.1016/j.ica.2022.121043] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
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Feng Y, He J, Wei Y, Xie JW, Liu P. Iodine‐Promoted Tandem Pyrazole Annulation and C‐H Sulfenylation for the Synthesis of C4‐Sulfenylated Pyrazoles. European J Org Chem 2022. [DOI: 10.1002/ejoc.202200357] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
Affiliation(s)
- Yijiao Feng
- Hunan University of Science and Engineering College of Chemistry and Bioengineering CHINA
| | - Jing He
- Shihezi University School of Chemistry and Chemical Engineering CHINA
| | - Yueting Wei
- Shihezi University School of Chemistry and Chemical Engineering CHINA
| | - Jian-Wei Xie
- School of Chemistry and Chemical Engineering Shihezi University North 4th Road 832003 Shihezi CHINA
| | - Ping Liu
- Shihezi University School of Chemistry and Chemical Engineering CHINA
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Zare A, Kohzadian A, Filian H, Nezhad MSG, Karami A. [Et3N-SO3H][MeSO3] as a highly efficient catalyst for the production of pyrido[2,3-d:6,5-d′]dipyrimidines and bis(pyrazolyl)methanes. RESEARCH ON CHEMICAL INTERMEDIATES 2022. [DOI: 10.1007/s11164-022-04683-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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Alsayari A, Asiri YI, Muhsinah AB, Hassan MZ. Synthesis and antimicrobial activity of aryldiazenyl/arylhydrazono pyrazoles. JOURNAL OF CHEMICAL RESEARCH 2021. [DOI: 10.1177/17475198211057461] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
We report the design, synthesis, and in vitro antimicrobial evaluation of functionalized pyrazoles containing a hydrazono/diazenyl moiety. Among these newly synthesized derivatives, 4-[2-(4-chlorophenyl)hydrazono]-5-methyl-2-[2-(naphthalen-2-yloxy)acetyl]-2,4-dihydro-3 H-pyrazol-3-one is a promising antimicrobial agent against Staphylococcus aureus (minimum inhibitory concentration 0.19 μg mL−1). Structure–activity relationship studies reveal that the electronic environment on the distal phenyl ring has a considerable effect on the antimicrobial potential of the hybrid analogues. Molecular docking studies into the active site of S. aureus dihydrofolate reductase also prove the usefulness of hybridizing a pyrazole moiety with azo and hydrazo groups in the design of new antimicrobial agents.
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Affiliation(s)
- Abdulrhman Alsayari
- Department of Pharmacognosy, College of Pharmacy, King Khalid University, Abha, Saudi Arabia
| | - Yahya I Asiri
- Department of Pharmacology, College of Pharmacy, King Khalid University, Abha, Saudi Arabia
| | - Abdullatif Bin Muhsinah
- Department of Pharmacognosy, College of Pharmacy, King Khalid University, Abha, Saudi Arabia
| | - Mohd. Zaheen Hassan
- Department of Pharmaceutical Chemistry, College of Pharmacy, King Khalid University, Abha, Saudi Arabia
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Synthesis, antimalarial and antioxidant activity of coumarin appended 1,4-disubstituted 1,2,3-triazoles. MONATSHEFTE FUR CHEMIE 2021. [DOI: 10.1007/s00706-021-02821-8] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/07/2023]
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Othman IMM, Gad-Elkareem MAM, Amr AEGE, Al-Omar MA, Nossier ES, Elsayed EA. Novel heterocyclic hybrids of pyrazole targeting dihydrofolate reductase: design, biological evaluation and in silico studies. J Enzyme Inhib Med Chem 2021; 35:1491-1502. [PMID: 32668994 PMCID: PMC7470138 DOI: 10.1080/14756366.2020.1791842] [Citation(s) in RCA: 21] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/05/2023] Open
Abstract
A novel series of pyrazole analogues including hydrazones, pyrazolo[4,3-c]-pyridazines, pyrazolo[3,4-e][1,2,4]triazine and pyrazolo[3,4-d][1,2,3]triazoles was designed, synthesised and screened for their in vitro antimicrobial and DHFR inhibition activity. Compounds bearing benzenesulphonamide moiety incorporated with 3-methyl-5-oxo-1H-pyrazol-4(5H)-ylidene) hydrazine 3a or 6-amino-7-cyano-3-methyl-5H-pyrazolo[4,3-c]pyridazine 6a revealed excellent and broad spectrum antimicrobial activity comparable to ciprofloxacin and amphotericin B as positive antibiotic and antifungal controls, respectively. Furthermore, these derivatives proved to be the most active DHFR inhibitors with IC50 values 0.11 ± 1.05 and 0.09 ± 0.91 µM, in comparison with methotrexate (IC50 = 0.14 ± 1.25 µM). The in silico studies were done to calculate the drug-likeness and toxicity risk parameters of the newly synthesised derivatives. Additionally, the high potency of the pyrazole derivatives bearing sulphonamide against DHFR was confirmed with molecular docking and might be used as an optimum lead for further modification.
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Affiliation(s)
- Ismail M M Othman
- Department of Chemistry, Faculty of Science, Al-Azhar University, Assiut, Egypt
| | - Mohamed A M Gad-Elkareem
- Department of Chemistry, Faculty of Science, Al-Azhar University, Assiut, Egypt.,Department of Chemistry, Faculty of Science and Arts of Baljurashi, Albaha University, Saudi Arabia
| | - Abd El-Galil E Amr
- Pharmaceutical Chemistry Department, College of Pharmacy, King Saud University, Riyadh, Saudi Arabia.,Applied Organic Chemistry Department, National Research Centre, Giza, Egypt
| | - Mohamed A Al-Omar
- Pharmaceutical Chemistry Department, College of Pharmacy, King Saud University, Riyadh, Saudi Arabia
| | - Eman S Nossier
- Pharmaceutical Medicinal Chemistry Department, Faculty of Pharmacy (Girls), Al-Azhar University, Cairo, Egypt
| | - Elsayed A Elsayed
- Zoology Department, Bioproducts Research Chair, Faculty of Science, King Saud University, Riyadh, Saudi Arabia.,Chemistry of Natural and Microbial Products Department, National Research Centre, Cairo, Egypt
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El-Khouly OA, Henen MA, El-Sayed MAA, Shabaan MI, El-Messery SM. Synthesis, anticancer and antimicrobial evaluation of new benzofuran based derivatives: PI3K inhibition, quorum sensing and molecular modeling study. Bioorg Med Chem 2020; 31:115976. [PMID: 33388654 DOI: 10.1016/j.bmc.2020.115976] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/19/2020] [Revised: 12/16/2020] [Accepted: 12/21/2020] [Indexed: 12/23/2022]
Abstract
A new series of benzofuran derivatives has been designed and synthesized. The structures of the synthesized compounds have been confirmed by the use of 1H NMR, 13C NMR, 2D 1H-1H NOESY NMR, and IR. Anticancer activity is evaluated against Hepatocellular carcinoma (HePG2), mammary gland breast cancer (MCF-7), Epitheliod carcinoma cervix cancer (Hela) and human prostate cancer (PC3). Compounds 8, 9, and 11 showed the highest activity towards the four cell lines with an IC50 range of 8.49-16.72 µM, 6.55-13.14 µM and 4-8.99 µM respectively in comparison to DOX (4.17-8.87 µM). Phosphatidylinositol-3-kinases (PI3K) inhibition was evaluated against the most active anticancer compounds 8, 9 and 11. Compounds 8, 9 and 11 showed good inhibitory activity against PI3Kα with IC50 values 4.1, 7.8, and 20.5 µM, respectively in comparison to 6.18 µM for the reference compound LY294002. In addition, activity of compounds 8 and 9 on cell cycle arrest and induction of apoptosis in different phases of MCF-7 cells were assessed and detected pre-G1 apoptosis and cell growth arrest at G2/M. Also, both extrinsic and intrinsic apoptosis in MCF-7 cells induced by compounds 8 and 9. Molecular docking, binding affinity surface mapping, and contact preference of the synthesized compounds 8, 9 and 11 against PI3K were estimated and studied computationally using molecular operating environment software (MOE) and showed good interaction with essential residues for inhibition Val851. In addition, antimicrobial activity was evaluated against gram positive isolates as Staphylococcus aureus and Bacillus cereus, gram negative isolate as Escherichia coli, Pseudomonas aeruginosa and antifungal potential against Candida albicans. Compound 17 showed outstanding anti Gram-positive activity with MIC values 8 and 256 µg/mL in Staphylococcus aureus and Bacillus cereus respectively. Also, compounds 15, 17, 18 and 21 showed good anti Gram-negative activity with MIC value 512 µg/mL for all compounds. In addition, the state-of-art quorum sensing (QS) inhibiting effects were detected using Chromobacterium violaceum and compounds 7, 9, 10, 11, and 12 showed good QS inhibition (3, 3, 5, 2, and 7 mm).
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Affiliation(s)
- Omar A El-Khouly
- Department of Pharmaceutical Organic Chemistry, Faculty of Pharmacy, Mansoura University, P.O. Box 35516, Mansoura, Egypt
| | - Morkos A Henen
- Department of Pharmaceutical Organic Chemistry, Faculty of Pharmacy, Mansoura University, P.O. Box 35516, Mansoura, Egypt; Department of Biochemistry & Molecular Genetics, University of Colorado, Denver, USA.
| | - Magda A-A El-Sayed
- Department of Pharmaceutical Organic Chemistry, Faculty of Pharmacy, Mansoura University, P.O. Box 35516, Mansoura, Egypt; Department of Pharmaceutical Medicinal Chemistry, Faculty of Pharmacy, Horus University, P.O. Box 34518, New Damietta, Egypt
| | - Mona I Shabaan
- Department of Microbiology and Immunology, Faculty of Pharmacy, Mansoura University, P.O. Box 35516, Mansoura, Egypt
| | - Shahenda M El-Messery
- Department of Pharmaceutical Organic Chemistry, Faculty of Pharmacy, Mansoura University, P.O. Box 35516, Mansoura, Egypt.
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Abdulla Afsina CM, Aneeja T, Neetha M, Anilkumar G. Recent Advances in the Synthesis of Pyrazole Derivatives. Curr Org Synth 2020; 18:197-213. [PMID: 33167842 DOI: 10.2174/1570179417666201109151036] [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: 06/24/2020] [Revised: 10/01/2020] [Accepted: 10/02/2020] [Indexed: 11/22/2022]
Abstract
Pyrazole and its derivatives have gained wide attention in pharmaceutical, agrochemical and biological fields as well as in industry. They exhibit various biological activities such as anti-pyretic, anti-microbial, anti- inflammatory, anti-tumor, anti-viral, anti-histaminic, anti-convulsant, fungicidal, insecticidal, etc. In this review, we summarise the recent advances in the synthesis of pyrazole derivatives using various methodologies and covers literature from 2017-2020.
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Affiliation(s)
| | - Thaipparambil Aneeja
- School of Chemical Sciences, Mahatma Gandhi University, Priyadarsini Hills P.O., Kottayam, Kerala, India
| | - Mohan Neetha
- School of Chemical Sciences, Mahatma Gandhi University, Priyadarsini Hills P.O., Kottayam, Kerala, India
| | - Gopinathan Anilkumar
- School of Chemical Sciences, Mahatma Gandhi University, Priyadarsini Hills P.O., Kottayam, Kerala, India
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EL‐Hashash MA, Shaban SS, Ali RS. Synthesis of 3‐cyano‐2‐pyridone derivative and its utility in the synthesis of some heterocyclic compounds with expecting antimicrobial activity. J Heterocycl Chem 2020. [DOI: 10.1002/jhet.4175] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Affiliation(s)
- Maher A. EL‐Hashash
- Heterocyclic Synthetic Laboratory, Chemistry Department, Science Faculty Ain Shams University Cairo Egypt
| | - Safaa S. Shaban
- Heterocyclic Synthetic Laboratory, Chemistry Department, Science Faculty Ain Shams University Cairo Egypt
| | - Rania S. Ali
- Department of Basic Science, Faculty of Technology and Education Helwan University Cairo Egypt
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Torabi M, Yarie M, Karimi F, Zolfigol MA. Catalytic synthesis of coumarin-linked nicotinonitrile derivatives via a cooperative vinylogous anomeric-based oxidation. RESEARCH ON CHEMICAL INTERMEDIATES 2020. [DOI: 10.1007/s11164-020-04267-9] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/03/2023]
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Anwar T, Nadeem H, Sarwar S, Naureen H, Ahmed S, Khan A, Arif M. Investigation of antioxidant and anti-nociceptive potential of isoxazolone, pyrazolone derivatives, and their molecular docking studies. Drug Dev Res 2020; 81:893-903. [PMID: 32662202 DOI: 10.1002/ddr.21711] [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: 11/26/2019] [Revised: 05/16/2020] [Accepted: 06/11/2020] [Indexed: 12/21/2022]
Abstract
A series of new isoxazolone (3a-d) and pyrazolone (4a-d) derivatives were synthesized and assessed for their antioxidant and analgesic activity. Among synthesized compounds, 3b and 4b having nitro (NO2 ) group show high analgesic activity at a dose of 6 mg/kg. Analgesic activity was further proceeded to explore the contribution of opioidergic mechanisms in the mediation of analgesic effects. Animals were administered with naloxone, a nonselective opioid inverse agonist, at the dose of 0.5 mg/kg. The results obtained suggested that the analgesic effects of the synthesized compounds were not reversed by naloxone, specifying that the compounds 3b and 4b do not follow the opioidergic pathway in order to relieve pain in animal models. Further, the binding interactions of compounds 3b and 4b were analyzed by docking them against nonopioid receptors COX-1 (3N8X) and COX-2 (3LN1). The results demonstrate the analgesic potential of isoxazolone and pyrazolone derivatives, especially compounds 3b and 4b can be considered promising lead molecules for further investigation and development into potent analgesic drugs. In addition, the antioxidant potential of compounds was also found to be related to better analgesic activity, thus providing an insight into the role of oxidative stress in the mediation of analgesia.
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Affiliation(s)
- Tayyaba Anwar
- Department of Pharmaceutical Chemistry, Riphah Institute of Pharmaceutical Sciences, Riphah International University, Islamabad, Pakistan
| | - Humaira Nadeem
- Department of Pharmaceutical Chemistry, Riphah Institute of Pharmaceutical Sciences, Riphah International University, Islamabad, Pakistan
| | - Sadia Sarwar
- Department of Pharmacognosy, Riphah Institute of Pharmaceutical Sciences, Riphah International University, Islamabad, Pakistan
| | - Humaira Naureen
- Department of Pharmacognosy, Riphah Institute of Pharmaceutical Sciences, Riphah International University, Islamabad, Pakistan
| | - Safia Ahmed
- Department of Microbiology, Faculty of Biological Science, Quaid e Azam University, Islamabad, Pakistan
| | - ArifUllah Khan
- Department of Pharmacology, Riphah Institute of Pharmaceutical Sciences, Riphah International University, Islamabad, Pakistan
| | - Muazzam Arif
- Department of Pharmaceutical Chemistry, Riphah Institute of Pharmaceutical Sciences, Riphah International University, Islamabad, Pakistan
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Patil PG, Sehlangia S, More DH. Chitosan-SO3H (CTSA) an efficient and biodegradable polymeric catalyst for the synthesis of 4,4′-(arylmethylene)bis(1H-pyrazol-5-ol) and α-amidoalkyl-β-naphthol’s. SYNTHETIC COMMUN 2020. [DOI: 10.1080/00397911.2020.1753078] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Affiliation(s)
- Paresh G. Patil
- Department of Chemistry, S.P.D.M. College Shirpur, Shirpur, MS, India
| | - Suman Sehlangia
- School of Basic Sciences, Indian Institute of Technology, Mandi, HP, India
| | - Dhananjay H. More
- School of Chemical Sciences, Kavayitri Bahinabai Chaudhari North Maharashtra University Jalgaon, Jalgaon, MS, India
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Saber AF, Zaki RM, Kamal El‐Dean AM, Radwan SM. Synthesis, reactions, and spectral characterization of some new biologically active compounds derived from thieno[2,3‐
c
]pyrazole‐5‐carboxamide. J Heterocycl Chem 2019. [DOI: 10.1002/jhet.3769] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/16/2023]
Affiliation(s)
- Ahmed F. Saber
- Chemistry Department, Faculty of ScienceAssiut University Assiut Egypt
| | - Remon M. Zaki
- Chemistry Department, Faculty of ScienceAssiut University Assiut Egypt
| | | | - Shaban M. Radwan
- Chemistry Department, Faculty of ScienceAssiut University Assiut Egypt
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Synthesis, Characterization and Antioxidant Properties of a New Lipophilic Derivative of Edaravone. Antioxidants (Basel) 2019; 8:antiox8080258. [PMID: 31370225 PMCID: PMC6720979 DOI: 10.3390/antiox8080258] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/01/2019] [Revised: 07/26/2019] [Accepted: 07/29/2019] [Indexed: 02/07/2023] Open
Abstract
As part of a program aimed to obtain antioxidants able to interact with cell membrane, edaravone (EdV, 3-methyl-1-phenyl-2-pyrazolin-5-one), a well-known free radical scavenger, has been modified by alkylation at its allylic position (4) with a C-18 hydrocarbon chain, and the increased lipophilicity has been determined towards the interaction with liposomes. The obtained derivative has been studied by means of density functional theory (DFT) methods in order to characterize its lowest energy conformers and predict its antioxidant properties with respect to the parent compound EdV. The in vitro antioxidant activity of C18-edaravone was studied by means of the α,α-diphenyl-β-picrylhydrazyl (DPPH) assay and in lipid peroxidation experiments performed on artificial lipid membranes using water-soluble as well as lipid-soluble radical initiators. Moreover, since oxidative stress is involved in numerous retinal degenerative diseases, the ability of C18-edaravone to contrast 2,2-azobis (2-amidinopropane hydrochloride) (AAPH)-induced cell death was assessed in adult retinal pigmented epithelium (ARPE-19) cells. Overall, the results demonstrated that the newly synthesized molecule has a high affinity for lipid membrane, increasing the efficacy of the unmodified edaravone under stress conditions.
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Noruzian F, Olyaei A, Hajinasiri R, Sadeghpour M. Guanidine hydrochloride catalyzed efficient one-pot pseudo five-component synthesis of 4,4′-(arylmethylene)bis(1 H-pyrazol-5-ols) in water. SYNTHETIC COMMUN 2019. [DOI: 10.1080/00397911.2019.1643483] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
Affiliation(s)
- Fatemeh Noruzian
- Chemistry Department, Qaemshahr Branch, Islamic Azad University, Qaemshahr, Iran
| | - Abolfazl Olyaei
- Department of Chemistry, Payame Noor University (PNU), Tehran, Iran
| | - Rahimeh Hajinasiri
- Chemistry Department, Qaemshahr Branch, Islamic Azad University, Qaemshahr, Iran
| | - Mahdieh Sadeghpour
- Department of Chemistry, Takestan Branch, Islamic Azad University, Takestan, Iran
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Perrone S, Troisi L, Salomone A. Heterocycle Synthesis through Pd-Catalyzed Carbonylative Coupling. European J Org Chem 2019. [DOI: 10.1002/ejoc.201900439] [Citation(s) in RCA: 26] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Affiliation(s)
- Serena Perrone
- Dipartimento di Scienze e Tecnologie Biologiche ed Ambientali; Università del Salento; Campus Ecotekne, Prov.le Lecce-Monteroni 73100 Lecce Italy
| | - Luigino Troisi
- Dipartimento di Scienze e Tecnologie Biologiche ed Ambientali; Università del Salento; Campus Ecotekne, Prov.le Lecce-Monteroni 73100 Lecce Italy
| | - Antonio Salomone
- Dipartimento di Scienze e Tecnologie Biologiche ed Ambientali; Università del Salento; Campus Ecotekne, Prov.le Lecce-Monteroni 73100 Lecce Italy
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21
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EL-Hashash MA, Shaban SS. Synthesis and biological assessment of novel cyanopyridine derivatives. SYNTHETIC COMMUN 2019. [DOI: 10.1080/00397911.2019.1616096] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
Affiliation(s)
- Maher A. EL-Hashash
- Faculty of Science, Department of Chemistry, Ain Shams University, Cairo, Egypt
| | - Safaa S. Shaban
- Faculty of Science, Department of Chemistry, Ain Shams University, Cairo, Egypt
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22
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A novel and reusable ionically tagged nanomagnetic catalyst: Application for the preparation of 2-amino-6-(2-oxo-2H-chromen-3-yl)-4-arylnicotinonitriles via vinylogous anomeric based oxidation. MOLECULAR CATALYSIS 2019. [DOI: 10.1016/j.mcat.2018.11.009] [Citation(s) in RCA: 40] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
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23
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Shukla K, Shah S, Rana NK, Singh VK. An efficient and highly diastereoselective synthesis of carbocyclic spiropyrazolones via one-pot sequential dual organo-silver catalyzed Michael-hydroalkylation reactions. Tetrahedron Lett 2019. [DOI: 10.1016/j.tetlet.2018.11.064] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
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24
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Regal MKA, Shaban SS, El‐Metwally SA. Facile Synthesis and Antimicrobial Activity of 5‐Amino‐3‐methyl‐1‐phenyl‐1
H
‐thieno[3,2‐
c
]pyrazole‐6‐carbonitrile and Their Derivatives. J Heterocycl Chem 2018. [DOI: 10.1002/jhet.3399] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
Affiliation(s)
- Mohsen K. A. Regal
- Chemistry Department, Science FacultyAin Shams University Cairo 11566 Egypt
| | - Safa S. Shaban
- Chemistry Department, Science FacultyAin Shams University Cairo 11566 Egypt
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25
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Martelli G, Giacomini D. Antibacterial and antioxidant activities for natural and synthetic dual-active compounds. Eur J Med Chem 2018; 158:91-105. [PMID: 30205261 DOI: 10.1016/j.ejmech.2018.09.009] [Citation(s) in RCA: 101] [Impact Index Per Article: 16.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/28/2018] [Revised: 09/03/2018] [Accepted: 09/04/2018] [Indexed: 01/11/2023]
Abstract
Antimicrobial resistance is widely recognized as a grave threat to global health in the 21st century, since the past decades have seen a dramatic increase in human-pathogenic bacteria that are resistant to one or multiple antibiotics. New antimicrobial agents are urgently required, particularly in the treatment of chronic infections such as cystic fibrosis, often associated with persistent colonization by drug-resistant pathogens and epithelial damage by pulmonary oxidative stress. In such events, it would be favourable to find agents that could have antioxidant and antibacterial activities combined in one molecule. The discovery of compounds that can show a dual-target activity considerably increased in the last years, reflecting the growing confidence that this new approach could lead to better therapeutic solutions for complex multigenic diseases. The aim of this review is to report those natural and synthetic compounds displaying significant antioxidant and antibacterial activities. In recent years there has been a growing attention on plant-derived antimicrobials as an alternative to antibiotics, for their efficacy and low tendency in developing bacterial resistance. Moreover, it was found that some natural products could enhance the activity of common antibiotics displaying a synergistic effect. We then report some selected synthetic compounds with an in-built capacity to act on two targets or with the combination in a single structure of two pharmacophores with antioxidant and antibacterial activities. Recent literature instances were screened and the most promising examples of dual-active antibacterial-antioxidant molecules were highlighted.
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Affiliation(s)
- Giulia Martelli
- Department of Chemistry "G. Ciamician", University of Bologna, Via Selmi 2, 40126, Bologna, Italy
| | - Daria Giacomini
- Department of Chemistry "G. Ciamician", University of Bologna, Via Selmi 2, 40126, Bologna, Italy.
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26
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Abdelgawad MA, Labib MB, Ali WA, Kamel G, Azouz AA, EL-Nahass ELS. Design, synthesis, analgesic, anti-inflammatory activity of novel pyrazolones possessing aminosulfonyl pharmacophore as inhibitors of COX-2/5-LOX enzymes: Histopathological and docking studies. Bioorg Chem 2018; 78:103-114. [DOI: 10.1016/j.bioorg.2018.03.011] [Citation(s) in RCA: 40] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/05/2017] [Revised: 01/27/2018] [Accepted: 03/07/2018] [Indexed: 11/17/2022]
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27
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Silva VLM, Elguero J, Silva AMS. Current progress on antioxidants incorporating the pyrazole core. Eur J Med Chem 2018; 156:394-429. [PMID: 30015075 DOI: 10.1016/j.ejmech.2018.07.007] [Citation(s) in RCA: 62] [Impact Index Per Article: 10.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/07/2018] [Revised: 07/02/2018] [Accepted: 07/03/2018] [Indexed: 12/31/2022]
Abstract
The search of new antioxidants, as drugs candidates, is an active field of medicinal chemistry. The synthesis of compounds with antioxidant potential has increased in recent years and a high number of structurally diverse compounds have been published. This review aims to show the current state-of-the-art on the development of antioxidant compounds incorporating the pyrazole pharmacophore. It is a well-timed review driven by the increasing number of papers, on this issue, that have been published since the beginning of the 21st century (from 2000 to 2017). The aim is to look deeper into the structures already published in the literature containing the pyrazole core as the unique pharmacophore or combined with other pharmacophores and see the relationship between the presence of this five-membered nitrogen heterocycle and the behaviour of the compounds as potential antioxidant agents. An attempt was made to whenever possible establish structure-activity relationships that could help the design of new and more potent antioxidant agents containing this important pharmacophore.
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Affiliation(s)
- Vera L M Silva
- Department of Chemistry & QOPNA, University of Aveiro, 3810-193, Aveiro, Portugal.
| | - J Elguero
- Instituto de Química Médica, CSIC, Juan de la Cierva, 3, E-28006, Madrid, Spain.
| | - Artur M S Silva
- Department of Chemistry & QOPNA, University of Aveiro, 3810-193, Aveiro, Portugal.
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28
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Jiang H, Dong X, Jin X, Zhu D, Yin R, Yu R, Wan S, Zhang L, Jiang T. Efficient Synthesis of Five Types of Heterocyclic Compounds via Intramolecular Elimination Using Ultrasound-Static Heating Technique. Chem Asian J 2018; 13:2009-2013. [PMID: 29858560 DOI: 10.1002/asia.201800682] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/02/2018] [Revised: 05/29/2018] [Indexed: 11/10/2022]
Abstract
An experimental technique, ultrasound-static heating, has been developed for the efficient synthesis of heterocyclic compounds. The technique involves ultrasonic irradiation and static heating processes. First, the ultrasonic irradiation process is performed to form an intermediate of the heterocyclic compound under mild conditions and the subsequent static heating process (heating the intermediate under solvent-free conditions without stirring) produces the target heterocyclic compounds via intramolecular elimination.
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Affiliation(s)
- Hongfei Jiang
- Key Laboratory of Marine Drugs, Chinese, Ministry of Education, School of Medicine and Pharmacy, Ocean University of China, Qingdao, 266003, P. R. China
| | - Xueyang Dong
- Key Laboratory of Marine Drugs, Chinese, Ministry of Education, School of Medicine and Pharmacy, Ocean University of China, Qingdao, 266003, P. R. China
| | - Xin Jin
- Key Laboratory of Marine Drugs, Chinese, Ministry of Education, School of Medicine and Pharmacy, Ocean University of China, Qingdao, 266003, P. R. China
| | - Danyang Zhu
- Key Laboratory of Marine Drugs, Chinese, Ministry of Education, School of Medicine and Pharmacy, Ocean University of China, Qingdao, 266003, P. R. China
| | - Ruijuan Yin
- Key Laboratory of Marine Drugs, Chinese, Ministry of Education, School of Medicine and Pharmacy, Ocean University of China, Qingdao, 266003, P. R. China
- Laboratory for Marine Drugs and Bioproducts, Qingdao National Laboratory for Marine Science and Technology, Qingdao, 266237, P. R. China
| | - Rilei Yu
- Key Laboratory of Marine Drugs, Chinese, Ministry of Education, School of Medicine and Pharmacy, Ocean University of China, Qingdao, 266003, P. R. China
- Laboratory for Marine Drugs and Bioproducts, Qingdao National Laboratory for Marine Science and Technology, Qingdao, 266237, P. R. China
| | - Shengbiao Wan
- Key Laboratory of Marine Drugs, Chinese, Ministry of Education, School of Medicine and Pharmacy, Ocean University of China, Qingdao, 266003, P. R. China
| | - Lijuan Zhang
- Institute of Cerebrovascular Diseases, Affiliated Hospital of Qingdao University Medical College, Qingdao, 266500, P. R. China
| | - Tao Jiang
- Key Laboratory of Marine Drugs, Chinese, Ministry of Education, School of Medicine and Pharmacy, Ocean University of China, Qingdao, 266003, P. R. China
- Laboratory for Marine Drugs and Bioproducts, Qingdao National Laboratory for Marine Science and Technology, Qingdao, 266237, P. R. China
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29
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Kumar S, Saini V, Maurya IK, Sindhu J, Kumari M, Kataria R, Kumar V. Design, synthesis, DFT, docking studies and ADME prediction of some new coumarinyl linked pyrazolylthiazoles: Potential standalone or adjuvant antimicrobial agents. PLoS One 2018; 13:e0196016. [PMID: 29672633 PMCID: PMC5908142 DOI: 10.1371/journal.pone.0196016] [Citation(s) in RCA: 56] [Impact Index Per Article: 9.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/29/2017] [Accepted: 04/04/2018] [Indexed: 12/26/2022] Open
Abstract
The control of antimicrobial resistance (AMR) seems to have come to a dead end. The major consequences of the use and abuse of antibacterial drugs are the development of resistant strains due to genetic mutability of both pathogenic and nonpathogenic microorganisms. We, herein, report the synthesis, characterization and biological activities of coumarin-thiazole-pyrazole (CTP) molecular hybrids with an effort to explore and overcome the increasing antimicrobial resistance. The compounds were characterized by analyzing their IR, Mass, 1H and13C NMR spectral data and elemental analysis. The in vitro antimicrobial activity of the synthesized compounds was investigated against various pathogenic strains; the results obtained were further explained with the help of DFT and molecular orbital calculations. Compound 1b and 1f displayed good antimicrobial activity and synergistic effects when used with kanamycin and amphotericin B. Furthermore, in vitro cytotoxicity of compounds 1b and 1f were studied against HeLa cells (cervical cancer cell) and Hek-293 cells. The results of molecular docking study were used to better rationalize the action and prediction of the binding modes of these compounds.
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Affiliation(s)
- Sunil Kumar
- Department of Chemistry & Centre of Advance Studies in Chemistry, Panjab University, Chandigarhs, India
| | - Vikram Saini
- Department of Biotechnology, AIIMS- New Delhi, Delhi, India
| | - Indresh K. Maurya
- Department of Microbial Biotechnology, Panjab University, Chandigarh, India
| | | | - Mukesh Kumari
- Department of Chemistry, Kurukshetra University, Kurukshetra, India
| | - Ramesh Kataria
- Department of Chemistry & Centre of Advance Studies in Chemistry, Panjab University, Chandigarhs, India
- * E-mail: (RK); (VK)
| | - Vinod Kumar
- Department of Chemistry, M. M. University, Mullana-Ambala, India
- * E-mail: (RK); (VK)
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30
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Sahoo J, Kumar Mekap S, Sudhir Kumar P. Synthesis, spectral characterization of some new 3-heteroaryl azo 4-hydroxy coumarin derivatives and their antimicrobial evaluation. JOURNAL OF TAIBAH UNIVERSITY FOR SCIENCE 2018. [DOI: 10.1016/j.jtusci.2014.08.001] [Citation(s) in RCA: 25] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
Affiliation(s)
- Jyotirmaya Sahoo
- Department of Pharmaceutical Chemistry, School of Pharmaceutical Sciences, Siksha ‘O’ Anusandhan University, Bhubaneswar 751030, Odisha, India
| | - Suman Kumar Mekap
- Department of Pharmaceutical Sciences, Utkal University, Vanivihar, Bhubaneswar 751004, Odisha, India
| | - Paidesetty Sudhir Kumar
- Department of Pharmaceutical Chemistry, School of Pharmaceutical Sciences, Siksha ‘O’ Anusandhan University, Bhubaneswar 751030, Odisha, India
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31
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Efficient pseudo five-component synthesis of 4,4′-(arylmethylene)-bis(3-methyl-1-phenyl-1H-pyrazol-5-ol) derivatives promoted by a novel ionic liquid catalyst. ZEITSCHRIFT FUR NATURFORSCHUNG SECTION B-A JOURNAL OF CHEMICAL SCIENCES 2018. [DOI: 10.1515/znb-2017-0179] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
Abstract
Abstract
In this research, initial production and characterization of a novel Brønsted-acidic ionic liquid, namely, N,N,N′,N′-tetramethylethylenediaminium-N,N′-disulfonic acid hydrogen sulfate ([TMEDSA][HSO4]2), has been described (characterization was achieved using Fourier-transform infrared spectroscopy, 1H nuclear magnetic resonance (NMR), 13C NMR, and mass and thermal gravimetric spectra). Thereafter, utilization of [TMEDSA][HSO4]2 as a highly effectual catalyst for the synthesis of 4,4′-(arylmethylene)-bis(3-methyl-1-phenyl-1H-pyrazol-5-ol) derivatives through the one-pot pseudo five-component reaction of phenylhydrazine (2 eq.) with ethyl acetoacetate (2 eq.) and arylaldehydes (1 eq.) in relatively mild conditions, has been reported.
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32
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Belal M, Khan AT. Iodine-Catalyzed Synthesis of Pyrrolo(2,3-c
)coumarin Derivatives Using 3-Aminocoumarins, Arylglyoxals and 4-Hydroxycoumarin through One-Pot Three-Component Reaction. ChemistrySelect 2018. [DOI: 10.1002/slct.201702629] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Affiliation(s)
- Md. Belal
- Department of Chemistry; Indian Institute of Technology Guwahati, Guwahati; Assam-781039 India
| | - Abu T. Khan
- Department of Chemistry; Indian Institute of Technology Guwahati, Guwahati; Assam-781039 India
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33
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Zalaru C, Dumitrascu F, Draghici C, Tarcomnicu I, Tatia R, Moldovan L, Chifiriuc MC, Lazar V, Marinescu M, Nitulescu MG, Ferbinteanu M. Synthesis, spectroscopic characterization, DFT study and antimicrobial activity of novel alkylaminopyrazole derivatives. J Mol Struct 2018. [DOI: 10.1016/j.molstruc.2017.11.073] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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34
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Abdel Reheim MAM, Baker SM. Synthesis, characterization and in vitro antimicrobial activity of novel fused pyrazolo[3,4-c]pyridazine, pyrazolo[3,4-d]pyrimidine, thieno[3,2-c]pyrazole and pyrazolo[3',4':4,5]thieno[2,3-d]pyrimidine derivatives. Chem Cent J 2017; 11:112. [PMID: 29098473 PMCID: PMC5668228 DOI: 10.1186/s13065-017-0339-4] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/02/2017] [Accepted: 10/19/2017] [Indexed: 11/10/2022] Open
Abstract
Background Some novel substituted pyrazolone, pyrazolo[3,4-c]pyridazine, pyrazolo[3,4-d]pyrimidine, pyrazolo[3,4-d]thiazolo[3,2-a]pyrimidinone, thieno[3,2-c]pyrazole and pyrazolo[3′,4′:4,5]thieno[2,3-d]pyrimidine derivatives have been reported to possess various pharmacological activities like antimicrobial, antitumor and anti-inflammatory. Results A novel series of azoles and azines were designed and prepared via reaction of 1,3-diphenyl-1H-pyrazol-5(4H)-one with some electrophilic and nucleophilic reagents. The structures of target compounds were confirmed by elemental analyses and spectral data. Conclusions The antimicrobial activity of the target synthesized compounds were tested against various microorganisms such as Escherichia coli; Bacillus megaterium; Bacillus subtilis (Bacterial species), Fusarium proliferatum; Trichoderma harzianum; Aspergillus niger (fungal species) by the disc diffusion method. In general, the novel synthesized compounds showed a good antimicrobial activity against the previously mentioned microorganisms.
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Affiliation(s)
| | - Safaa M Baker
- Department of Chemistry, Faculty of Science, Arish University, Arish, 45511, Egypt
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35
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Konkala VS, Dubey PK. Sulfamic acid as a green, reusable catalyst for stepwise, tandem & one-pot solvent-free synthesis of pyrazole derivatives. CHINESE CHEM LETT 2017. [DOI: 10.1016/j.cclet.2017.02.005] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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36
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Zhang Y, Hu H, Liu CJ, Cao D, Wang B, Sun Y, Abdukader A. Highly Efficient Brønsted Acidic Ionic Liquid Promoted Direct Diazenylation of Pyrazolones with Aryltriazenes under Mild Conditions. ASIAN J ORG CHEM 2016. [DOI: 10.1002/ajoc.201600475] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Affiliation(s)
- Yonghong Zhang
- Key Laboratory of Oil and Gas Fine Chemicals; Ministry of Education & Xinjiang Uygur Autonomous Region; Urumqi Key Laboratory of Green Catalysis and Synthesis Technology; College of Chemistry and Chemical Engineering; Xinjiang University; Urumqi 830046 China
- Beijing National Laboratory for Molecular Sciences; Beijing 100871 China
| | - Haiyan Hu
- Key Laboratory of Oil and Gas Fine Chemicals; Ministry of Education & Xinjiang Uygur Autonomous Region; Urumqi Key Laboratory of Green Catalysis and Synthesis Technology; College of Chemistry and Chemical Engineering; Xinjiang University; Urumqi 830046 China
| | - Chen-Jiang Liu
- Key Laboratory of Oil and Gas Fine Chemicals; Ministry of Education & Xinjiang Uygur Autonomous Region; Urumqi Key Laboratory of Green Catalysis and Synthesis Technology; College of Chemistry and Chemical Engineering; Xinjiang University; Urumqi 830046 China
- Beijing National Laboratory for Molecular Sciences; Beijing 100871 China
| | - Dawei Cao
- Key Laboratory of Oil and Gas Fine Chemicals; Ministry of Education & Xinjiang Uygur Autonomous Region; Urumqi Key Laboratory of Green Catalysis and Synthesis Technology; College of Chemistry and Chemical Engineering; Xinjiang University; Urumqi 830046 China
| | - Bin Wang
- Key Laboratory of Oil and Gas Fine Chemicals; Ministry of Education & Xinjiang Uygur Autonomous Region; Urumqi Key Laboratory of Green Catalysis and Synthesis Technology; College of Chemistry and Chemical Engineering; Xinjiang University; Urumqi 830046 China
| | - Yadong Sun
- Key Laboratory of Oil and Gas Fine Chemicals; Ministry of Education & Xinjiang Uygur Autonomous Region; Urumqi Key Laboratory of Green Catalysis and Synthesis Technology; College of Chemistry and Chemical Engineering; Xinjiang University; Urumqi 830046 China
| | - Ablimit Abdukader
- Key Laboratory of Oil and Gas Fine Chemicals; Ministry of Education & Xinjiang Uygur Autonomous Region; Urumqi Key Laboratory of Green Catalysis and Synthesis Technology; College of Chemistry and Chemical Engineering; Xinjiang University; Urumqi 830046 China
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37
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Synthesis and antibacterial evaluation of several novel tripod pyrazoline with triazine core (TPTC) compounds. RESEARCH ON CHEMICAL INTERMEDIATES 2016. [DOI: 10.1007/s11164-016-2786-2] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
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38
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Khaligh NG, Titinchi SJJ, Hamid SBA, Abbo HS. 4-(Succinimido)-1-butane Sulfonic Acid as a Brönsted Acid Catalyst for Synthesis of 4,4′-(arylmethylene)bis(1H-pyrazol-5-ol)s Derivatives under Solvent-Free Conditions. Polycycl Aromat Compd 2016. [DOI: 10.1080/10406638.2015.1046610] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
Affiliation(s)
- Nader Ghaffari Khaligh
- Nanotechnology & Catalysis Research Centre, NANOCAT, University Malaya, Kuala Lumpur, Malaysia
| | - Salam J. J. Titinchi
- Department of Chemistry, University of the Western Cape, Cape Town, South Africa
| | - Sharifah Bee Abd Hamid
- Nanotechnology & Catalysis Research Centre, NANOCAT, University Malaya, Kuala Lumpur, Malaysia
| | - Hanna S. Abbo
- Department of Chemistry, University of the Western Cape, Cape Town, South Africa
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39
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Surati KR, Sathe PA. Schiff base pyrazolone complexes of iron (III): synthesis, characterization, antimicrobial and antioxidant activity. Med Chem Res 2016. [DOI: 10.1007/s00044-016-1649-0] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/22/2023]
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40
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Palladium-catalyzed carbonylative coupling of α-chloroketones with hydrazines: a simple route to pyrazolone derivatives. Tetrahedron Lett 2016. [DOI: 10.1016/j.tetlet.2016.06.072] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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41
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Sivaguru P, Sandhiya R, Adhiyaman M, Lalitha A. Synthesis and antioxidant properties of novel 2H-chromene-3-carboxylate and 3-acetyl-2H-chromene derivatives. Tetrahedron Lett 2016. [DOI: 10.1016/j.tetlet.2016.04.097] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
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42
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Sun J, Jiang C, Zhou Z. Optically Active 4-Substituted 5-Nitropentan-2-ones: Valuable Chiral Building Blocks for the Stereocontrolled Construction of Spiro-Pyrazolone Scaffolds with Five Contiguous Stereogenic Centers. European J Org Chem 2016. [DOI: 10.1002/ejoc.201501449] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
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43
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Khaligh NG, Hamid SBA, Titinchi SJ. N -Methylimidazolium perchlorate as a new ionic liquid for the synthesis of bis(pyrazol-5-ol)s under solvent-free conditions. CHINESE CHEM LETT 2016. [DOI: 10.1016/j.cclet.2015.07.027] [Citation(s) in RCA: 32] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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44
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Kaur K, Kumar V, Beniwal V, Kumar V, Aneja KR, Sharma V, Jaglan S. Novel (E)-1-aryl-2-(3,5-dimethyl-4-(aryldiazenyl)-1H-pyrazol-1-yl)ethanones: solvent-free synthesis and antimicrobial, antioxidant and UV-mediated DNA damage protective activity studies. Med Chem Res 2015. [DOI: 10.1007/s00044-015-1452-3] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
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45
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Sahoo J, Sudhir Kumar P. Biological evaluation and spectral characterization of 4-hydroxy coumarin analogues. J Taibah Univ Med Sci 2015. [DOI: 10.1016/j.jtumed.2015.03.001] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022] Open
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46
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Solvent-free synthesis of novel (E)-2-(3,5-dimethyl-4-(aryldiazenyl)-1H-pyrazol-1-yl)-4-arylthiazoles: determination of their biological activity. Med Chem Res 2015. [DOI: 10.1007/s00044-015-1429-2] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
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47
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Chopde HN, Meshram JS, Pandhurnekar CP, Pagadala R, Jonnalagadda SB. Efficient Synthesis, Characterization, In Vitro Antibacterial and Antifungal Activity Study and Computational Tool for Prediction of Molecular Properties of Some Novel Schiff's Base via Betti's Protocol and Azetidinones. J Heterocycl Chem 2015. [DOI: 10.1002/jhet.2349] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Affiliation(s)
- Himani N. Chopde
- Department of Chemistry; G. H. Raisoni Academy of Engineering and Technology; Nagpur 440 033 Maharashtra India
| | - Jyotsna S. Meshram
- P. G. Department of Chemistry; Rashtrasant Tukadoji Maharaj Nagpur University; Nagpur 440 033 Maharashtra India
| | - Chandrashekhar P. Pandhurnekar
- Department of Applied Chemistry; Shri Ramdeobaba College of Engineering and Management; Nagpur 440 013 Maharashtra India
| | - Ramakanth Pagadala
- School of Chemistry and Physics; University of KwaZulu-Natal, Westville Campus, Chiltern Hills; Durban 4000 South Africa
| | - Sreekantha Babu Jonnalagadda
- School of Chemistry and Physics; University of KwaZulu-Natal, Westville Campus, Chiltern Hills; Durban 4000 South Africa
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