Academic literature on the topic 'Cyclooctane Series'

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Journal articles on the topic "Cyclooctane Series"

1

Sedenkova, Kseniya N., Olga V. Ryzhikova, Svetlana A. Stepanova, et al. "Bis(oxiranes) Containing Cyclooctane Core: Synthesis and Reactivity towards NaN3." Molecules 27, no. 20 (2022): 6889. http://dx.doi.org/10.3390/molecules27206889.

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Reactions of oxirane ring opening provide a powerful tool for regio- and stereoselective synthesis of polyfunctional and heterocyclic compounds, widely used in organic chemistry and drug design. Cyclooctane, alongside other medium-sized rings, is of interest as a novel molecular platform for the construction of target-oriented leads. Additionally, cyclooctane derivatives are well known to be prone to transannular reactions, which makes them a promising object in the search for novel approaches to polycyclic structures. In the present work, a series of cyclooctanediones was studied in Corey-Cha
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2

Ryzhikova, Olga V., Kseniya N. Sedenkova, Sergey V. Kositov, Victor A. Tafeenko, Yuri K. Grishin, and Elena B. Averina. "Stereoselective Approach to Hydroxyalkyl-1,2,3-triazoles Containing Cyclooctane Core and Their Use for CuAAC Catalysis." Catalysts 13, no. 5 (2023): 835. http://dx.doi.org/10.3390/catal13050835.

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1,2,3-Triazoles bearing additional functional groups have found applications as the ligands in catalysis of a broad scope of reactions, synthesis of transition metals complexes for various practicable purposes, and design of metal-based drugs. Triazolyl ligands accelerating CuAAC reactions, such as TBTA and TTTA, are nowadays commonly used in organic synthesis, and the search for novel ligands with a less complicated structure represents an important task. In the present work a series of hydroxyalkyltriazoles, containing a cyclooctane core, were synthesized via cycloaddition of readily availab
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3

Sedenkova, Kseniya N., Kristian S. Andriasov, Marina G. Eremenko, et al. "Bicyclic Isoxazoline Derivatives: Synthesis and Evaluation of Biological Activity." Molecules 27, no. 11 (2022): 3546. http://dx.doi.org/10.3390/molecules27113546.

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The application of non-planar scaffolds in drug design allows for the enlargement of the chemical space, and for the construction of molecules that have more effective target–ligand interactions or are less prone to the development of resistance. Among the works of the last decade, a literature search revealed spirothiazamenthane, which has served as a lead in the development of derivatives active against resistant viral strains. In this work, we studied the novel molecular scaffold, which resembles spirothiazamenthane, but combines isoxazoline as a heterocycle and cyclooctane ring as a hydrop
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4

Sedenkova, Kseniya N., Artem S. Sazonov, Dmitry A. Vasilenko, et al. "3-[N,N-Bis(sulfonyl)amino]isoxazolines with Spiro-Annulated or 1,2-Annulated Cyclooctane Rings Inhibit Reproduction of Tick-Borne Encephalitis, Yellow Fever, and West Nile Viruses." International Journal of Molecular Sciences 24, no. 13 (2023): 10758. http://dx.doi.org/10.3390/ijms241310758.

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Spirocyclic compounds containing heterocyclic moieties represent promising 3D scaffolds for modern drug design. In the search for novel anti-flaviviral agents, we have obtained a series of 3-[N,N-bis(sulfonyl)amino]isoxazolines containing spiro-annulated cyclooctane rings and assessed their antiviral activity against tick-borne encephalitis (TBEV), yellow fever (YFV), and West Nile (WNV) viruses. The structural analogs of spirocyclic compounds with a single sulfonyl group or 1,2-annulated cyclooctane ring were also investigated. Almost all the studied 3-[N,N-bis(sulfonyl)amino]isoxazolines rev
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5

Alleman, Cécile, Charlène Gadais, Laurent Legentil, and François-Hugues Porée. "Strategies to access the [5-8] bicyclic core encountered in the sesquiterpene, diterpene and sesterterpene series." Beilstein Journal of Organic Chemistry 19 (March 3, 2023): 245–81. http://dx.doi.org/10.3762/bjoc.19.23.

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Terpene compounds probably represent the most diversified class of secondary metabolites. Some classes of terpenes, mainly diterpenes (C20) and sesterterpenes (C25) and to a lesser extent sesquiterpenes (C15), share a common bicyclo[3.6.0]undecane core which is characterized by the presence of a cyclooctane ring fused to a cyclopentane ring, i.e., a [5-8] bicyclic ring system. This review focuses on the different strategies elaborated to construct this [5-8] bicyclic ring system and their application in the total synthesis of terpenes over the last two decades. The overall approaches involve t
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6

Kirillova, Marina V., Polyana Tomé de Paiva, Wagner A. Carvalho, Dalmo Mandelli, and Alexander M. Kirillov. "Mixed-ligand aminoalcohol-dicarboxylate copper(II) coordination polymers as catalysts for the oxidative functionalization of cyclic alkanes and alkenes." Pure and Applied Chemistry 89, no. 1 (2017): 61–73. http://dx.doi.org/10.1515/pac-2016-1012.

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AbstractNew copper(II) catalytic systems for the mild oxidative C–H functionalization of cycloalkanes and cycloalkenes were developed, which are based on a series of mixed-ligand aminoalcohol-dicarboxylate coordination polymers, namely [Cu2(μ-dmea)2(μ-nda)(H2O)2]n·2nH2O (1), [Cu2(μ-Hmdea)2(μ-nda)]n·2nH2O (2), and [Cu2(μ-Hbdea)2(μ-nda)]n·2nH2O (3) that bear slightly different dicopper(II) aminoalcoholate cores, as well as on a structurally distinct dicopper(II) [Cu2(H4etda)2(μ-nda)]·nda·4H2O (4) derivative [abbreviations: H2nda, 2,6-naphthalenedicarboxylic acid; Hdmea, N,N′-dimethylethanolamine
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7

Brodnik, Helena, Luka Ciber, Uroš Grošelj, Nejc Petek, Bogdan Štefane та Jurij Svete. "Preparation and Transformations of Acetophenone-Derived Enamino Ketones, BF2-β-Ketoiminates, and BF2-β-Diketonates". Molecules 30, № 3 (2025): 601. https://doi.org/10.3390/molecules30030601.

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A series of differently substituted β-enaminones 2a,b, 4a–i, 8a–d, and 9–13, their BF2-β-ketoiminate complexes 5a–d, and BF2-β-diketonate complexes 6a–d were prepared as model substrates for photochemical transformations. The attempted photochemical transformations of enaminones 2, 4, 8 and BF2-β-ketoiminate complexes 5 failed. On the other hand, irradiation of mixtures of BF2-β-diketonate complexes 6a–d and cycloalkanes with UV-A light (365 nm) gave the corresponding De Mayo reaction products 7a–f in 9–30% yields. The photochemical ring-expansion of acetyl tetralone-derived BF2-complex 6d gav
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8

Khaziev, Rail, Nikita Shtyrlin, Roman Pavelyev, et al. "Synthesis and Antimicrobial Activity of Adamantyl Substituted Pyridoxine Derivatives." Letters in Drug Design & Discovery 16, no. 12 (2019): 1360–69. http://dx.doi.org/10.2174/1570180816666190911150705.

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Background: Adamantane derivatives possess multiple pharmacological activities such as antiviral, anticancer, antimycobacterial, antidiabetic, antiparkinsonian and others. The interest of medicinal chemists in adamantane compounds is due to their unique spatial structure, high lipophilicity, and carbon cage rigidity. As a result, these molecules can easily penetrate biological lipid membranes and often have unique target-specific activity profile. Another pharmacophore studied in this work is pyridoxine (vitamin B6). Pyridoxine plays highly important roles in living cells as a key cofactor of
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9

Chung, Suhman, Michaela Wendeler, Jason W. Rausch, et al. "Structure-Activity Analysis of Vinylogous Urea Inhibitors of Human Immunodeficiency Virus-Encoded Ribonuclease H." Antimicrobial Agents and Chemotherapy 54, no. 9 (2010): 3913–21. http://dx.doi.org/10.1128/aac.00434-10.

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ABSTRACT Vinylogous ureas 2-amino-5,6,7,8-tetrahydro-4H-cyclohepta[b]thiophene-3-carboxamide and N-[3-(aminocarbonyl)-4,5-dimethyl-2-thienyl]-2-furancarboxamide (compounds 1 and 2, respectively) were recently identified to be modestly potent inhibitors of the RNase H activity of HIV-1 and HIV-2 reverse transcriptase (RT). Both compounds shared a 3-CONH2-substituted thiophene ring but were otherwise structurally unrelated, which prevented a precise definition of the pharmacophore. We have therefore examined a larger series of vinylogous ureas carrying amide, amine, and cycloalkane modifications
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10

Wang, Huiqun, Sebla Onbulak, Steven Weigand, Frank S. Bates, and Marc A. Hillmyer. "Polyolefin graft copolymers through a ring-opening metathesis grafting through approach." Polymer Chemistry 12, no. 14 (2021): 2075–83. http://dx.doi.org/10.1039/d0py01728k.

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A series of polyethylene-g-atactic polypropylene graft copolymers were synthesized by grafting through copolymerization of a cyclooctene terminated aPP macromonomer with cyclooctene monomer and subsequent hydrogenation.
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