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Sheikhi-Mohammareh S, Oroojalian F, Beyzaei H, Moghaddam-Manesh M, Salimi A, Azizollahi F, Shiri A. Domino protocol for the synthesis of diversely functionalized derivatives of a novel fused pentacyclic antioxidant/anticancer fluorescent scaffold: Pyrazolo[5'',1'':2',3']pyrimido[4',5':5,6][1,4]thiazino[2,3-b]quinoxaline. Talanta 2023; 262:124723. [PMID: 37245433 DOI: 10.1016/j.talanta.2023.124723] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/09/2023] [Revised: 05/04/2023] [Accepted: 05/22/2023] [Indexed: 05/30/2023]
Abstract
Rising to the challenge of formidable multi-step reaction needed for the synthesis of polycyclic compounds, an efficient one-pot two-step procedure for the synthesis of densely functionalized novel pyrazolo[5″,1'':2',3']pyrimido[4',5':5,6] [1,4]thiazino[2,3-b]quinoxalines from synthetically accessible starting materials 6-bromo-7-chloro-3-cyano-2-(ethylthio)-5-methylpyrazolo[1,5-a]pyrimidine, 3-aminoquinoxaline-2-thiol and some readily accessible alkyl halides was established. The domino reaction pathway involves cyclocondensation/N-alkylation sequence in K2CO3/N,N-dimethyl formamide under heating condition. DPPH free radical scavenging activity of all synthesized pyrazolo[5″,1'':2',3']pyrimido[4',5':5,6][1,4]thiazino[2,3-b]quinoxalines was evaluated to determine their antioxidant potentials. IC50 values were recorded in the range of 29-71 μM. N-benzyl substituted derivative represented the most effective antioxidant activity as well as antiproliferative activity against MCF-7 cells. Moreover, fluorescence in solution for these compounds exhibited strong red emission in the visible region (λflu. = 536-558 nm) with good to excellent quantum yields (61-95%). Due to their interesting fluorescence properties, these novel pentacyclic fluorophores can be used as fluorescent markers and probes for studies in biochemistry and pharmacology.
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Affiliation(s)
| | - Fatemeh Oroojalian
- Department of Advanced Sciences and Technologies, School of Medicine, North Khorasan University of Medical Sciences, Bojnurd, Iran; Natural Products and Medicinal Plants Research Center, North Khorasan University of Medical Sciences, Bojnurd, Iran
| | - Hamid Beyzaei
- Department of Chemistry, Faculty of Science, University of Zabol, Zabol, Iran
| | | | - Alireza Salimi
- Department of Chemistry, Faculty of Science, Ferdowsi University of Mashhad, Mashhad, Iran
| | - Fatemeh Azizollahi
- Department of Advanced Sciences and Technologies, School of Medicine, North Khorasan University of Medical Sciences, Bojnurd, Iran
| | - Ali Shiri
- Department of Chemistry, Faculty of Science, Ferdowsi University of Mashhad, Mashhad, Iran.
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Farzamnezhad I, Sheikhi-Mohammareh S, Beyzaei H, Yarmohammadi E, Shiri A. Synthesis of Novel DPPH-Free Radical Scavenger Se-Containing Fused Chalcogenophenes: 2-Alkyl-7-Cyano-4-Imino-3-Phenyl-6-(pyrrolidin-1-yl)-3,4-Dihydroselenopheno[3,2- d]Pyrimidines. Polycycl Aromat Compd 2023. [DOI: 10.1080/10406638.2023.2181825] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/26/2023]
Affiliation(s)
- Iman Farzamnezhad
- Department of Chemistry, Faculty of Science, Ferdowsi University of Mashhad, Mashhad, Iran
| | | | - Hamid Beyzaei
- Department of Chemistry, Faculty of Science, University of Zabol, Zabol, Iran
| | - Elahe Yarmohammadi
- Department of Chemistry, Faculty of Science, University of Zabol, Zabol, Iran
| | - Ali Shiri
- Department of Chemistry, Faculty of Science, Ferdowsi University of Mashhad, Mashhad, Iran
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Nosova EV, Kopotilova AE, Likhacheva MD, Moshkina TN, Kopchuk DS. Synthesis of Novel Derivatives of 5-Aryl/thienyl-[1,2,4]triazolo[4,3-c]quinazoline. DOKLADY CHEMISTRY 2022. [DOI: 10.1134/s0012500822600298] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/01/2023]
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Moghimi P, Sabet-Sarvestani H, Kohandel O, Shiri A. Pyrido[1,2- e]purine: Design and Synthesis of Appropriate Inhibitory Candidates against the Main Protease of COVID-19. J Org Chem 2022; 87:3922-3933. [PMID: 35225616 PMCID: PMC8905926 DOI: 10.1021/acs.joc.1c02237] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/15/2021] [Indexed: 11/28/2022]
Abstract
A series of tricyclic and polycyclic pyrido[1,2-e]purine derivatives were designed and synthesized via a two-step, one-pot reaction of 2,4-dichloro-5-amino-6-methylpyrimidine with pyridine under reflux conditions. Various derivatives of pyrido[1,2-e]purine were also synthesized by substituting the chlorine atom with secondary amines. After careful physiochemical and pharmacokinetic predictions, the inhibitory effects of the synthesized compounds against the main protease of SARS-CoV-2 have been evaluated by molecular docking and molecular dynamics approaches. The in silico results revealed that among all of the studied compounds, the morpholine/piperidine-substituted pyrido[1,2-e]purine derivatives are the best candidates as effective inhibitors of SARS-CoV-2.
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Affiliation(s)
- Parvin Moghimi
- Department of Chemistry, Faculty of Science,
Ferdowsi University of Mashhad, Mashhad,
Iran
| | | | - Omid Kohandel
- Department of Chemistry, Faculty of Science,
Ferdowsi University of Mashhad, Mashhad,
Iran
| | - Ali Shiri
- Department of Chemistry, Faculty of Science,
Ferdowsi University of Mashhad, Mashhad,
Iran
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Kohandel O, Sheikhi-Mohammareh S, Oroojalian F, Memariani T, Mague J, Shiri A. A Dimroth rearrangement approach for the synthesis of selenopheno[2,3-e][1,2,4]triazolo[1,5-c]pyrimidines with cytotoxic activity on breast cancer cells. Mol Divers 2021; 26:1621-1633. [PMID: 34357512 DOI: 10.1007/s11030-021-10290-8] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/26/2021] [Accepted: 07/28/2021] [Indexed: 01/17/2023]
Abstract
New selenopheno[2,3-e][1,2,4]triazolo[1,5-c]pyrimidine derivatives have been synthesized via Dimroth rearrangement by cyclocondensation of 7-cyano-4-hydrazinyl-6-(pyrrolidin-1-yl)selenopheno[3,2-d]pyrimidine with electrophilic carbons of either orthoesters in acetic acid or carbon disulfide in pyridine followed by S-alkylation. All the newly synthesized products have been structurally elucidated. The in vitro anticancer screening of the tricyclic Se-containing heterocycles was accomplished against human breast carcinoma MCF-7 cancerous cell line and L929 cells. Anticancer results revealed that the S-hexyl-substituted compound with an IC50 value of 158.9 µM in 72 h was foremost among others in cytotoxic potency. In the following order, S-pentyl and S-ethyl-substituted derivatives with IC50 values of 216.1 and 396.5 µM were second and third efficient compounds as in anticancer activity, respectively. The inhibitory effects of the mentioned compounds were less on the growth of L929 cells.
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Affiliation(s)
- Omid Kohandel
- Department of Chemistry, Faculty of Science, Ferdowsi University of Mashhad, Mashhad, Iran
| | | | - Fatemeh Oroojalian
- Department of Advanced Sciences and Technologies, School of Medicine, North Khorasan University of Medical Sciences, Bojnurd, Iran.,Natural Products and Medicinal Plants Research Center, North Khorasan University of Medical Sciences, Bojnurd, Iran
| | - Toktam Memariani
- Natural Products and Medicinal Plants Research Center, North Khorasan University of Medical Sciences, Bojnurd, Iran
| | - Joel Mague
- Department of Chemistry, Tulane University, New Orleans, LA, 70118, USA
| | - Ali Shiri
- Department of Chemistry, Faculty of Science, Ferdowsi University of Mashhad, Mashhad, Iran.
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Sheikhi-Mohammareh S, Shiri A, Mague J. Dimroth rearrangement-based synthesis of novel derivatives of [1,3]selenazolo[5,4-e][1,2,4]triazolo[1,5-c]pyrimidine as a new class of selenium-containing heterocyclic architecture. Mol Divers 2021; 26:923-937. [PMID: 33721152 DOI: 10.1007/s11030-021-10203-9] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/27/2020] [Accepted: 02/17/2021] [Indexed: 01/16/2023]
Abstract
As a part of our ongoing endeavor towards developing novel heterocyclic architectures, a number of novel Se-containing tricyclic heterocycles of the type [1,3]selenazolo[5,4-e][1,2,4]triazolo[1,5-c]pyrimidine have been synthesized through heteroannulation of a newly produced hydrazino derivative of selenazolo[4,5-d]pyrimidine with either orthoesters or carbon disulfide in pyridine followed by S-alkylation. Moreover, the multistep protocol employed in this investigation provides a new insight into the Dimroth rearrangement in both acidic and basic media as a means for the cyclocondensation of triazole on the selenazolopyrimidine framework leading to selenazolotriazolopyrimidines. The synthesis of new derivatives of novel selenazolotriazolopyrimidines via Dimroth rearrangement in both acidic and basic media is presented.
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Affiliation(s)
| | - Ali Shiri
- Department of Chemistryp, Faculty of Science, Ferdowsi University of Mashhad, Mashhad, Iran.
| | - Joel Mague
- Department of Chemistry, Tulane University, New Orleans, Louisiana, 70118, USA
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Bigonah-Rasti S, Sheikhi-Mohammareh S, Saadat K, Shiri A. Novel Tricyclic 2-Alkoxy-8-methyl-6-(pyrrolidin-1-yl)-4H-[1,2,4]triazolo[5,1-f]purine Derivatives: Synthesis and Characterization. Polycycl Aromat Compd 2020. [DOI: 10.1080/10406638.2020.1852287] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Affiliation(s)
- Sara Bigonah-Rasti
- Department of Chemistry, Faculty of Science, Ferdowsi University of Mashhad, Mashhad, Iran
| | | | - Kayvan Saadat
- Department of Chemistry, Faculty of Science, Ferdowsi University of Mashhad, Mashhad, Iran
| | - Ali Shiri
- Department of Chemistry, Faculty of Science, Ferdowsi University of Mashhad, Mashhad, Iran
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Luo J, Chen P, Song C. An Overview of the Synthesis of Pyrazolotriazolopyrimidine Compounds. MINI-REV ORG CHEM 2020. [DOI: 10.2174/1570193x16666190723124839] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
Pyrazolotriazolopyrimidines are an important class of nitrogen-containing heterocycles
that can act as a charismatic target and exhibit diverse pharmacological activities. These compounds
have received much attention because they are an attractive scaffold for the preparation of adenosine
receptor antagonists. Herein, we focus on an overview of the synthesis of these compounds with the
aim of assisting in the discovery of new pyrazolotriazolopyrimidine derivatives.
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Affiliation(s)
- Jin Luo
- Analytical and Testing Center, Jiangxi Normal University, Nanchang, Jiangxi 330022, China
| | - Puqing Chen
- Analytical and Testing Center, Jiangxi Normal University, Nanchang, Jiangxi 330022, China
| | - Chonghu Song
- Analytical and Testing Center, Jiangxi Normal University, Nanchang, Jiangxi 330022, China
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Khademi Z, Nikoofar K. Applications of alkyl orthoesters as valuable substrates in organic transformations, focusing on reaction media. RSC Adv 2020; 10:30314-30397. [PMID: 35559005 PMCID: PMC9092620 DOI: 10.1039/d0ra05276k] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/16/2020] [Accepted: 07/27/2020] [Indexed: 02/01/2023] Open
Abstract
In this review we focus on applications of alkyl orthoesters as valuable and efficient substrates to perform various classes of two-component and multi-component organic reactions. The article has classified them according to two aspects, which are: (i) a focus on the reaction medium (solvent-free conditions, aqueous media, and organic solvents); and (ii) an examination of product structures. Reaction accomplishment under solvent-free conditions is an eco-friendly process with the absence of volatile toxic solvents, which puts it in line with green chemistry goals. Water is an interesting choice in organic transformations due to its inexpensiveness and safety. The authors hope their assessment will help chemists to attain new approaches for utilizing alkyl orthoesters in various organic synthetic methods. The review covers the corresponding literature up to the beginning of 2020.
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Affiliation(s)
- Zahra Khademi
- Department of Chemistry, Faculty of Physics & Chemistry, Alzahra University P.O. Box 1993891176 Tehran Iran +982188041344 +982188041344
| | - Kobra Nikoofar
- Department of Chemistry, Faculty of Physics & Chemistry, Alzahra University P.O. Box 1993891176 Tehran Iran +982188041344 +982188041344
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New efficient design and synthesis of novel antioxidant and antifungal 7-imino[1,3]selenazolo[4,5-d]pyrimidine-5(4H)-thiones utilizing a base-promoted cascade addition/cyclization sequence. MONATSHEFTE FUR CHEMIE 2020. [DOI: 10.1007/s00706-020-02617-2] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
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Luo J, Kang Q, Huang W, Zhu J, Wang T. Synthesis of 3-methylthio-1-phenyl-pyrazolo[3,4- d][1,2,4]triazolo[1,5- a]pyrimidin-4-one derivatives via tandem aza-Wittig reaction. SYNTHETIC COMMUN 2020. [DOI: 10.1080/00397911.2019.1711414] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Affiliation(s)
- Jin Luo
- Analytical and Testing Center, Jiangxi Normal University, Nanchang, China
| | - Qiongwen Kang
- Jiangxi Province Key Laboratory of Chemical Biology, College of Chemistry and Chemical Engineering, Jiangxi Normal University, Nanchang, China
| | - Wenfei Huang
- Jiangxi Province Key Laboratory of Chemical Biology, College of Chemistry and Chemical Engineering, Jiangxi Normal University, Nanchang, China
| | - Jiajun Zhu
- Jiangxi Province Key Laboratory of Chemical Biology, College of Chemistry and Chemical Engineering, Jiangxi Normal University, Nanchang, China
| | - Tao Wang
- Jiangxi Province Key Laboratory of Chemical Biology, College of Chemistry and Chemical Engineering, Jiangxi Normal University, Nanchang, China
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Akaberi T, Shiri A, Sheikhi-Mohammareh S. Synthesis of New Derivatives of Pyridazino[6,1-c]Pyrimido[5,4-e][1,2,4]Triazine; a Novel Heterocyclic System. JOURNAL OF CHEMICAL RESEARCH 2016. [DOI: 10.3184/174751916x14497690510968] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
Abstract
Several derivatives of the novel pyridazino[6,1-c]pyrimido[5,4-e][1,2,4]triazine ring system have been synthesised through heterocyclisation of 5-bromo-2,4-dichloro-6-methylpyrimidine with 3-chloro-6-hydrazinylpyridazine followed by treatment with secondary amines in boiling ethanol.
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Affiliation(s)
- Toktam Akaberi
- Department of Chemistry, Faculty of Science, Ferdowsi University of Mashhad, 91775-1436 Mashhad, Iran
| | - Ali Shiri
- Department of Chemistry, Faculty of Science, Ferdowsi University of Mashhad, 91775-1436 Mashhad, Iran
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