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Karami Hezarcheshmeh N, Godarzbod F, Hamedanii NF, Vaseghi S. Ag/CdO/Fe 3O 4@MWCNTs Promoted Green Synthesis of Novel Triazinopyrrolothiazepine: Investigation of Antioxidant and Antimicrobial Activity. Polycycl Aromat Compd 2023. [DOI: 10.1080/10406638.2022.2162553] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/11/2023]
Affiliation(s)
| | - Farideh Godarzbod
- Department of Chemistry, Science and Research Branch, Islamic Azad University, Tehran, Iran
| | | | - Samaneh Vaseghi
- Department of Chemistry, Science and Research Branch, Islamic Azad University, Tehran, Iran
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2
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Ibis O, Zora M. A facile synthesis of 6-chloro-2-methylene-2,3-dihydro-1,4-oxazepines from N-propargylic β-enaminones. Tetrahedron 2020. [DOI: 10.1016/j.tet.2020.131650] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
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3
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Kelgokmen Y, Korkmaz E, Zora M. A facile synthesis of 6-[(4-nitrophenyl)thio]-substituted 2-methylene-2,3-dihydro-1,4-oxazepines from N-propargylic β-enaminones. SYNTHETIC COMMUN 2020. [DOI: 10.1080/00397911.2020.1837171] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Affiliation(s)
- Yilmaz Kelgokmen
- Department of Chemistry, Middle East Technical University, Ankara, Turkey
| | - Esra Korkmaz
- Department of Chemistry, Middle East Technical University, Ankara, Turkey
| | - Metin Zora
- Department of Chemistry, Middle East Technical University, Ankara, Turkey
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4
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Guduru R, Mangina NSVMR, Sridhar B, Karunakar GV. Gold-catalyzed formation of aryl-fused pyrazolooxazepines via intramolecular regioselective 7-exo-dig cyclization. Org Biomol Chem 2019; 17:2809-2817. [DOI: 10.1039/c8ob03157f] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
An efficient gold-catalyzed method was developed for the formation of aryl-fused pyrazolooxazepines from ortho-O-propargyl aryl pyrazoles via 7-exo-dig cyclization in good yields.
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Affiliation(s)
- Ravinder Guduru
- Division of Fluoro and Agrochemicals
- CSIR-Indian Institute of Chemical Technology
- Hyderabad
- India
- Academy of Scientific and Innovative Research
| | - N. S. V. M. Rao Mangina
- Division of Fluoro and Agrochemicals
- CSIR-Indian Institute of Chemical Technology
- Hyderabad
- India
- Academy of Scientific and Innovative Research
| | | | - Galla V. Karunakar
- Division of Fluoro and Agrochemicals
- CSIR-Indian Institute of Chemical Technology
- Hyderabad
- India
- Academy of Scientific and Innovative Research
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5
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Kelgokmen Y, Cayan Y, Zora M. Zinc Chloride Mediated Synthesis of 1,4-Oxazepines fromN-Propargylic β-Enaminones. European J Org Chem 2017. [DOI: 10.1002/ejoc.201701433] [Citation(s) in RCA: 23] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Affiliation(s)
- Yilmaz Kelgokmen
- Department of Chemistry; Middle East Technical University; 06800 Ankara Turkey
| | - Yasemin Cayan
- Department of Chemistry; Middle East Technical University; 06800 Ankara Turkey
| | - Metin Zora
- Department of Chemistry; Middle East Technical University; 06800 Ankara Turkey
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6
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Ruysbergh E, Van Hecke K, Stevens CV, De Kimpe N, Mangelinckx S. Synthesis of 1,4-Oxazepane-2,5-diones via Cyclization of Rotationally Restricted Amino Acid Precursors and Structural Reassignment of Serratin. J Org Chem 2017; 82:6210-6222. [DOI: 10.1021/acs.joc.7b00790] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Ewout Ruysbergh
- Department
of Sustainable Organic Chemistry and Technology, Faculty of Bioscience
Engineering, Ghent University, Coupure Links 653, B-9000 Ghent, Belgium
| | - Kristof Van Hecke
- XStruct,
Department of Inorganic and Physical Chemistry, Faculty of Sciences, Ghent University, Krijgslaan 281, S3, B-9000 Ghent, Belgium
| | - Christian V. Stevens
- Department
of Sustainable Organic Chemistry and Technology, Faculty of Bioscience
Engineering, Ghent University, Coupure Links 653, B-9000 Ghent, Belgium
| | - Norbert De Kimpe
- Department
of Sustainable Organic Chemistry and Technology, Faculty of Bioscience
Engineering, Ghent University, Coupure Links 653, B-9000 Ghent, Belgium
| | - Sven Mangelinckx
- Department
of Sustainable Organic Chemistry and Technology, Faculty of Bioscience
Engineering, Ghent University, Coupure Links 653, B-9000 Ghent, Belgium
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7
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Preet S, Cannoo DS. Synthesis and Characterization of Thiazepine/Benzothiazepine Derivatives Through Intramolecular C-2 Ring Expansion Pathway. J CHIN CHEM SOC-TAIP 2017. [DOI: 10.1002/jccs.201600778] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Affiliation(s)
- Simer Preet
- Department of Chemistry; Sant Longowal Institute of Engineering and Technology; Longowal 148106 India
| | - Damanjt Singh Cannoo
- Department of Chemistry; Sant Longowal Institute of Engineering and Technology; Longowal 148106 India
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8
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Kong Y, Xuan S, Yan A. Computational models on quantitative prediction of bioactivity of HIV-1 integrase 3' processing inhibitors. SAR AND QSAR IN ENVIRONMENTAL RESEARCH 2014; 25:729-746. [PMID: 25121566 DOI: 10.1080/1062936x.2014.942695] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/03/2023]
Abstract
In this study, four computational quantitative structure-activity relationship (QSAR) models were built to predict the bioactivity of 3' processing (3'P) inhibitors of HIV-1 integrase. Some 453 inhibitors whose bioactivity values were detected by the radiolabelling method were collected. The molecular structures were represented with MOE descriptors. In total, 21 descriptors were selected for modelling. All inhibitors were divided into a training set and a test set with two methods: (1) by a Kohonen's self-organizing map (SOM); (2) by a random selection. For every training set and test set, a multilinear regression (MLR) analysis and a support vector machine (SVM) were used to establish models, respectively. For the training/test set divided by SOM, the correlation coefficients (r) were over 0.84, and for the training/test set split randomly, the r values were over 0.86. Some molecular properties such as hydrogen bond donor capacity, atomic partial charge properties, molecular refractivity, the number of aromatic bonds and molecular surface area, volume and shape properties played important roles for inhibiting 3' processing step of HIV-1 integrase.
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Affiliation(s)
- Y Kong
- a State Key Laboratory of Chemical Resource Engineering, Department of Pharmaceutical Engineering , Beijing University of Chemical Technology , Beijing , China
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9
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Gunawan S, Hulme C. Bifunctional building blocks in the Ugi-azide condensation reaction: a general strategy toward exploration of new molecular diversity. Org Biomol Chem 2014; 11:6036-46. [PMID: 23912086 DOI: 10.1039/c3ob40900g] [Citation(s) in RCA: 38] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
1,5-Disubstituted tetrazoles are an important drug-like scaffold known for their ability to mimic the cis-amide bond conformation. The scaffold is readily accessible via substitution of the carboxylic acid component of the Ugi multi-component reaction (MCR) with TMSN3 in what is herein denoted the Ugi-azide reaction. This full paper presents a concise, novel, general strategy to access a plethora of new heterocylic scaffolds utilizing tethered aldo/keto-acids/esters in the Ugi-azide reaction followed by a ring closing event that generates novel highly complex bis-heterocyclic lactam-tetrazoles.
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Affiliation(s)
- Steven Gunawan
- BIO5 Oro Valley, The University of Arizona, 1580 E. Hanley Blvd., Oro Valley, AZ 85737, USA
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Xuan S, Wang M, Kang H, Kirchmair J, Tan L, Yan A. Support Vector Machine (SVM) Models for Predicting Inhibitors of the 3′ Processing Step of HIV-1 Integrase. Mol Inform 2013; 32:811-26. [DOI: 10.1002/minf.201300107] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/05/2013] [Accepted: 07/26/2013] [Indexed: 01/24/2023]
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11
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Zhang Y, Peng Q, Zeng H, Yao S, Zhang Y, Song H. HPLC determination of enantiomeric thiazolidine-2-carboxylic acid on chiral stationary phase with pre-column derivatization. ACTA CHROMATOGR 2013. [DOI: 10.1556/achrom.25.2013.2.6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
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12
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Synthesis and spectroscopic studies of some new oxazepine derivatives throughout [2+5] cycloaddition reactions (III). RESEARCH ON CHEMICAL INTERMEDIATES 2012. [DOI: 10.1007/s11164-012-0877-2] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
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13
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Osman H, Mohammad AT, Yeap GY, Adam F. Synthesis and Characterization of New 3-(3-Hydroxyphenyl)-4- alkyl-3,4-dihydrobenzo[e][1,3]oxazepine-1,5-dione Compounds. CHINESE J CHEM 2011. [DOI: 10.1002/cjoc.201180273] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
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14
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The 156KELK159 tetrapeptide of HIV-1 integrase is critical for lentiviral gene integration. Mol Biol Rep 2011; 39:343-9. [PMID: 21556766 DOI: 10.1007/s11033-011-0744-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/03/2009] [Accepted: 04/27/2011] [Indexed: 10/18/2022]
Abstract
HIV-1 integrase (HIV-1 IN), a key element of HIV-1-derived lentiviral vectors, is crucial for the stable maintenance of the vector gene by inserting them into host genome. HIV-1 IN has been found to have functions other than integration, such as involving in virion morphology, viral DNA synthesis and viral DNA nuclear import. In our study, the yeast two-hybrid assay identified a tetrapeptide 156KELK159 in HIV-1 IN that was crucial for HIV-1 IN and Daxx interaction. To investigate the functions of the tetrapeptide 156KELK159 of the HIV-1 IN, both the wild type HIV-1 IN and a mutant without 156KELK159 were used to package the EGFP reporter gene contained lentivirus. p24 based titer assay revealed that deleting the tetrapeptide did not affect virus packaging. The result was verified by quantitative real time PCR with viral specific primers. But the 156KELK159 was crucial for lentiviral gene integration. Deleting the tetrapeptide made the percentage of cells expressing the reporter gene significantly decreased and did not affect the level of DNA entered into the cells or nucleus. Real time reverse transcription PCR and FACS were used to detect the lentiviral report gene expression in infection maintaining cells and revealed 156KELK159 did not affect lentiviral vector gene expression. Our results may shed light on the regulatory mechanism of gene integration of lentivirus.
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Potapov VV, Fetisova NA, Nikitina AV, Ivachtchenko AV. A convenient synthesis of heterocyclic compounds containing 11-oxo-6,11,12,13-tetrahydrodibenzo[b,g][1,5]oxazonine fragment. MENDELEEV COMMUNICATIONS 2009. [DOI: 10.1016/j.mencom.2009.09.020] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
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16
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Ghandi M, Olyaei A, Raoufmoghaddam S. Synthesis of novel naphth[1,2-f][1,4]oxazepine-3,4-dione heterocycles. J Heterocycl Chem 2009. [DOI: 10.1002/jhet.166] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
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17
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Wang L. Influence of Mg2+ on the binding modes of HIV-1 integrase with thiazolothiazepine inhibitor studied by molecular simulation. Comput Biol Med 2009; 39:355-60. [DOI: 10.1016/j.compbiomed.2009.01.011] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/17/2008] [Accepted: 01/22/2009] [Indexed: 10/21/2022]
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18
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Garofalo A, Grande F, Brizzi A, Aiello F, Dayam R, Neamati N. Naphthoxazepine Inhibitors of HIV-1 Integrase: Synthesis and Biological Evaluation. ChemMedChem 2008; 3:986-90. [DOI: 10.1002/cmdc.200800026] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
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19
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Dayam R, Gundla R, Al-Mawsawi LQ, Neamati N. HIV-1 integrase inhibitors: 2005-2006 update. Med Res Rev 2008; 28:118-54. [PMID: 17979144 DOI: 10.1002/med.20116] [Citation(s) in RCA: 88] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/25/2023]
Abstract
HIV-1 integrase (IN) catalyzes the integration of proviral DNA into the host genome, an essential step for viral replication. Inhibition of IN catalytic activity provides an attractive strategy for antiretroviral drug design. Currently two IN inhibitors, MK-0518 and GS-9137, are in advanced stages of human clinical trials. The IN inhibitors in clinical evaluation demonstrate excellent antiretroviral efficacy alone or in combination regimens as compared to previously used clinical antiretroviral agents in naive and treatment-experienced HIV-1 infected patients. However, the emergence of viral strains resistant to clinically studied IN inhibitors and the dynamic nature of the HIV-1 genome demand a continued effort toward the discovery of novel inhibitors to keep a therapeutic advantage over the virus. Continued efforts in the field have resulted in the discovery of compounds from diverse chemical classes. In this review, we provide a comprehensive report of all IN inhibitors discovered in the years 2005 and 2006.
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Affiliation(s)
- Raveendra Dayam
- Department of Pharmacology and Pharmaceutical Sciences, University of Southern California, School of Pharmacy, Los Angeles, California 90089, USA
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Abass M, Othman ES, Hassan A. Substituted Quinolinones, Part 11: Efficient Synthesis of Different 3‐(4‐Arylidene and Hetarylidene‐5‐oxopyrazolin‐3‐yl) quinolin‐2‐ones. SYNTHETIC COMMUN 2007. [DOI: 10.1080/00397910601055180] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
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21
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El-Osaily YA, Sarhan AAO, El-Dean AMK. Reactions and Reactivity of Thienopyridines: Facile Synthesis of Some Pyridothienooxazepine Derivatives. PHOSPHORUS SULFUR 2007. [DOI: 10.1080/10426500600883122] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
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22
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Saíz-Urra L, González MP, Fall Y, Gómez G. Quantitative structure–activity relationship studies of HIV-1 integrase inhibition. 1. GETAWAY descriptors. Eur J Med Chem 2007; 42:64-70. [PMID: 17030481 DOI: 10.1016/j.ejmech.2006.08.005] [Citation(s) in RCA: 39] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/20/2006] [Revised: 08/11/2006] [Accepted: 08/14/2006] [Indexed: 11/21/2022]
Abstract
The GEometry, Topology, and Atom-Weights AssemblY (GETAWAY) approach has been applied to the study of the HIV-1 integrase inhibition of 172 compounds that belong to 11 different chemistry families. A model able to describe more than 68.5% of the variance in the experimental activity was developed with the use of the mentioned approach. In contrast, none of the five different approaches, including the use of Randić Molecular Profiles, Geometrical, RDF, 3D-MORSE and WHIM descriptors was able to explain more than 62.4% of the variance in the mentioned property with the same number of variables in the equation. Finally, after extracting five compounds considered by us as outliers the model was able to describe more than 72.5% of the variance in the experimental activity.
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Affiliation(s)
- Liane Saíz-Urra
- Chemical Bioactive Center, Central University of Las Villas, Santa Clara, Villa Clara, CP 54830, Cuba
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Meadows DC, Tantillo DJ, Gervay-Hague J. Correlation of Biological Activity with Active Site Binding Modes of Geminal Disulfone HIV-1 Integrase Inhibitors. ChemMedChem 2006; 1:959-64. [PMID: 16952140 DOI: 10.1002/cmdc.200600040] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
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Aiello F, Brizzi A, De Grazia O, Garofalo A, Grande F, Sinicropi MS, Dayam R, Neamati N. An approach to the stereo-controlled synthesis of polycyclic derivatives of l-4-thiazolidinecarboxylic acid active against HIV-1 integrase. Eur J Med Chem 2006; 41:914-7. [PMID: 16781021 DOI: 10.1016/j.ejmech.2006.03.032] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/18/2005] [Revised: 03/10/2006] [Accepted: 03/20/2006] [Indexed: 10/24/2022]
Abstract
Herein, we describe a new strategy for the preparation of thiazolothiazepine-based inhibitors of human immunodeficiency virus type-1 integrase (IN). The present method allows facile preparation of the title compounds in a single enantiomeric form starting from l-4-thiazolidinecarboxylic acid. This method could be easily extended to the synthesis of several analogs derived from optically active cyclic aminoacids. We also present a putative model showing the interaction between l- and d-isomers of compound 1 in the IN active site. A sensibly lower IC(50) value was found for (-)-1 over racemic-1 in an anti-IN assay.
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Affiliation(s)
- F Aiello
- Dipartimento di Scienze Farmaceutiche, Università della Calabria, 87036 Arcavacata di Rende (Cs), Italy
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Ilyin AP, Parchinski VZ, Peregudova JN, Trifilenkov AS, Poutsykina EB, Tkachenko SE, Kravchenko DV, Ivachtchenko AV. One-step assembly of carbamoyl substituted annulated 1,4-oxazepines. Tetrahedron Lett 2006. [DOI: 10.1016/j.tetlet.2006.01.158] [Citation(s) in RCA: 22] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
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Abstract
The integration of viral cDNA into the host genome is an essential step in the HIV-1-life cycle and is mediated by the virally encoded enzyme, integrase (IN). Inhibition of this process provides an attractive strategy for antiviral drug design. The discovery of beta-diketo acid inhibitors played a major role in validating IN as a legitimate antiretroviral drug target. Over a decade of research, a plethora of IN inhibitors have been discovered and some showed antiviral activity consistent with their effect on IN. To date, at least two compounds have been tested in human but none are close to the FDA approval. In this review, we provide a comprehensive report of all small-molecule IN inhibitors discovered during the years 2003 and 2004. Compilation of such data will prove beneficial in developing QSAR, virtual screening, pharmacophore hypothesis generation, and validation.
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Affiliation(s)
- Raveendra Dayam
- Department of Pharmaceutical Sciences, School of Pharmacy, University of Southern California, Los Angeles, 90089, USA
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Chakrabarty M, Kundu T, Arima S, Harigaya Y. An expedient, regioselective synthesis of 2-alkylamino- and 2-alkylthiothiazolo[5,4-e]indoles. Tetrahedron Lett 2005. [DOI: 10.1016/j.tetlet.2005.02.125] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
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