Relevant bibliographies by topics / Oxygen heterocycles

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  1. Journal articles
  2. Dissertations / Theses
  3. Books
  4. Book chapters
  5. Conference papers

Academic literature on the topic 'Oxygen heterocycles'

Author: Grafiati
Published: 4 June 2021
Last updated: 25 July 2025

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Journal articles on the topic "Oxygen heterocycles"

1

Zhu, Yannan, and You Huang. "Organocatalyzed [3+3] Annulations for the Construction of Heterocycles." Synthesis 52, no. 08 (2020): 1181–202. http://dx.doi.org/10.1055/s-0039-1690810.

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Six-membered heterocyclic systems are widely distributed in many natural products and pharmaceuticals, and the construction of highly functionalized six-membered heterocyclic compounds is an important topic in modern organic synthesis. Organocatalyzed [3+3] annulations represents an important method for assembling a substantial variety of six-membered cycles that contain one or more heteroatoms. This review describes the development of organocatalyzed [3+3] annulations for the synthesis of six-membered heterocycles, including organocatalysis using secondary amines, tertiary amines, phosphines,
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Abbas, Sumayah Saadi, Azhar Mahdi Jasim, Tayseer Hamid Shakir, and Iman Saadi Abbas. "Anticancer Activities of Some Heterocyclic Compounds Containing an Oxygen Atom: A Review." Al-Rafidain Journal of Medical Sciences ( ISSN: 2789-3219 ) 4 (April 27, 2023): 60–67. http://dx.doi.org/10.54133/ajms.v4i.109.

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The purpose of this study is to underline the progression and development of research regarding oxygen-containing heterocycles as well as the contribution that some oxygen-containing heterocycles have made as anticancer medicines. A series of publications about the antitumor effects of derivatives of heterocyclic compounds containing an oxygen atom, such as furan, benzofuran, oxazole, benzoxazole, and oxadiazole, were evaluated, and their anticancer activities showed encouraging results when compared to those of established standard treatments.
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Rusu, Aura, Ioana-Maria Moga, Livia Uncu, and Gabriel Hancu. "The Role of Five-Membered Heterocycles in the Molecular Structure of Antibacterial Drugs Used in Therapy." Pharmaceutics 15, no. 11 (2023): 2554. http://dx.doi.org/10.3390/pharmaceutics15112554.

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Five-membered heterocycles are essential structural components in various antibacterial drugs; the physicochemical properties of a five-membered heterocycle can play a crucial role in determining the biological activity of an antibacterial drug. These properties can affect the drug’s activity spectrum, potency, and pharmacokinetic and toxicological properties. Using scientific databases, we identified and discussed the antibacterials used in therapy, containing five-membered heterocycles in their molecular structure. The identified five-membered heterocycles used in antibacterial design contai
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Cui, Hai-Lei. "Recent Advances in DMSO-Based Direct Synthesis of Heterocycles." Molecules 27, no. 23 (2022): 8480. http://dx.doi.org/10.3390/molecules27238480.

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Besides serving as a low-toxicity, inexpensive and easily accessible solvent, dimethyl sulfoxide (DMSO) has also been extensively used as a versatile reagent for the synthesis of functionalized molecules. Dimethyl sulfoxide can not only be utilized as a carbon source, a sulfur source and an oxygen source, but also be employed as a crucial oxidant enabling various transformations. The past decade has witnessed a large number of impressive achievements on the direct synthesis of heterocycles as well as modifications of heterocyclic compounds by applying DMSO as a reagent. This review summarized
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Romero-Hernández, Laura L., Ana Isabel Ahuja-Casarín, Penélope Merino-Montiel, Sara Montiel-Smith, José Luis Vega-Báez, and Jesús Sandoval-Ramírez. "Syntheses and medicinal chemistry of spiro heterocyclic steroids." Beilstein Journal of Organic Chemistry 20 (July 24, 2024): 1713–45. http://dx.doi.org/10.3762/bjoc.20.152.

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There is compelling evidence that incorporating a heterocyclic moiety into a steroid can alter its pharmacological and pharmacokinetic properties, driving intense interest in the synthesis of such hybrids among research groups. In this review, we present an overview of recent synthetic methodologies, spanning the period from 2000 to 2023, for the preparation of spiro heterocyclic steroids. The compounds surveyed encompass four-, five-, six-, and seven-membered heterocycles appended to various positions of steroidal backbones, with spirocycles containing oxygen, nitrogen, and sulfur atoms being
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Slivka, Mikhailo, and Mikhailo Onysko. "The Use of Electrophilic Cyclization for the Preparation of Condensed Heterocycles." Synthesis 53, no. 19 (2021): 3497–512. http://dx.doi.org/10.1055/s-0040-1706036.

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AbstractCondensed heterocycles are well-known for their excellent biological effects and they are undeniably important compounds in organic chemistry. Electrophilic cyclization reactions are widely used for the synthesis of mono-heterocyclic compounds. This review highlights the utility of electrophilic cyclization reactions as an effective generic tool for the synthesis of various condensed heterocycles containing functional groups that are able to undergo further chemical transformations, such as nucleophilic substitution, elimination, re-cyclization, cleavage, etc. This review describes the
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Li, Xianwei, Tianzhang Wang, Yu-Jing Lu, Shaomin Ji, Yanping Huo, and Bifu Liu. "Copper-catalyzed oxidative multicomponent reaction: synthesis of imidazo fused heterocycles with molecular oxygen." Organic & Biomolecular Chemistry 16, no. 39 (2018): 7143–51. http://dx.doi.org/10.1039/c8ob01532e.

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An oxidative cascade that involves multicomponent reaction comprising a terminal alkyne, 2-amino N-heterocycle, benzyl or allylic bromide with molecular oxygen, delivering densely functionalized imidazo fused heterocycles, is achieved.
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Elliott, Mark C., and Eve Williams. "Saturated oxygen heterocycles." Journal of the Chemical Society, Perkin Transactions 1, no. 19 (2001): 2303–40. http://dx.doi.org/10.1039/b007290g.

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Elliott, Mark C. "Saturated oxygen heterocycles." Journal of the Chemical Society, Perkin Transactions 1, no. 21 (October 1, 2002): 2301–23. http://dx.doi.org/10.1039/b201515n.

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Elliott, Mark C. "Saturated oxygen heterocycles." Journal of the Chemical Society, Perkin Transactions 1, no. 9 (2000): 1291–318. http://dx.doi.org/10.1039/a903885j.

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Dissertations / Theses on the topic "Oxygen heterocycles"

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Bedford, Simon Bernard. "Synthesis of oxygen heterocycles." Thesis, University of Nottingham, 1993. http://eprints.nottingham.ac.uk/13159/.

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In chapter one, the various methods of generating benzenoid orthoquinodimethanes are discussed and approaches to their heterocyclic analogues are also reviewed. The utility of ortho-quinodimethanes in organic synthesis is highlighted by examples of both inter- and intramolecular Diels-Alder cycloadditions as the key steps in the total synthesis of naturally occurring polycyclic systems. In chapter two, work aimed at the development of a rapid synthetic entry to heterocyclic quinodimethanes starting from ortho-methyl heterocyclic carboxylic acids is presented. To this end, the dianion of 3-meth
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Pheko, Tshepo. "Stereoselective synthesis of oxygen heterocycles." Thesis, University of Bristol, 2013. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.658071.

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The thesis describes the use of y,8-unsaturated alcohol in cyclisations with various aldehydes under acidic conditions to fonn monocyclic and bicyclic heterocycles with good stereocontrol. 6-Phenylhex-5-en-2-01136 was prepared in 3 steps and 55% yield and reacted with prop anal ill the presence of oxygen· and nitrogen nucleophiles to give tri-substituted tetrahydropyrans. Interestingly 229 and 230 have an equatorial C-3 side chain whereas 232 and 235 is in axial. Furthennore reaction of 6-phenylhex-5-en-2-01 136 with aldehydes possessing aryl, nitrogen and oxygen tethered nucleophiles suitably
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Galan, A. A. "Novel routes to oxygen containing heterocycles." Thesis, University of Bristol, 1986. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.375386.

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Basak, Madhusudan. "Oxygen heterocycles-synthesis and study of the biological properties of compounds related to precocenes." Thesis, University of North Bengal, 1993. http://hdl.handle.net/123456789/838.

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Matin, Abdul. "Oxygen heterocycles-synthesis and study of the Biological properties of compounds related to precocenes." Thesis, University of North Bengal, 1994. http://hdl.handle.net/123456789/855.

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Carr, G. "The chemistry of oxygen heterocycles in superacidic media." Thesis, University of Liverpool, 1986. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.233754.

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Clough, Sarah. "Routes to the synthesis of oxygen containing heterocycles." Thesis, University of Bristol, 2000. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.301998.

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Rai, B. "Synthesis of some bioactive oxygen and nitrogen heterocycles." Thesis(Ph.D.), CSIR-National Chemical Laboratory, Pune, 1993. http://dspace.ncl.res.in:8080/xmlui/handle/20.500.12252/3080.

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McErlean, Christopher Stephen Paschal. "Synthesis and biosynthesis of some naturally occuring oxygen heterocycles /." [St. Lucia, Qld.], 2002. http://www.library.uq.edu.au/pdfserve.php?image=thesisabs/absthe17082.pdf.

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Turner, Peter G. "Synthesis of six membered heterocycles containing nitrogen or oxygen." Thesis, University of Oxford, 2005. https://ora.ox.ac.uk/objects/uuid:58979b1b-59ba-4834-8140-1397afd51aff.

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Six-membered heterocycles containing nitrogen and oxygen are prevalent in natural products and pharmaceutical drugs; hence efficient synthesis of these motifs is of great benefit. This thesis describes the successful rearrangements of 5-membered heterocycles containing nitrogen and oxygen through to the corresponding 6-membered compounds. <strong>Chapter 1 - Project Conception</strong> This section outlined the project conception and aims. <strong>Chapter 2 - Radical Ring-Expansions</strong> This section contains an introduction to the radical mediated ring-expansions, which firstly focused on
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Books on the topic "Oxygen heterocycles"

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Hatton, Kevin Brian. Studies on the synthesis of nitrogen and oxygen heterocycles. University of East Anglia, 1986.

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Ding, W. C. Sugars as stereodirectors in the asymmetric synthesis of oxygen heterocycles. UMIST, 1995.

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3

Mattinen, Jorma. Multinuclear [NMR] studies on the structure of oxygen containing heterocycles. J. Mattinen, 1987.

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Silvio, Pietra, ed. Heterocyclic N-oxides. CRC Press, 1990.

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5

Skolnik, Herman, and David S. Breslow. Chemistry of Heterocyclic Compounds, Multi-Sulfur and Sulfur and Oxygen Five- and Six-Membered Heterocycles. Wiley & Sons, Incorporated, John, 2008.

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Skolnik, Herman, and David S. Breslow. Multi-Sulfur and Sulfur and Oxygen Five- and Six-Membered Heterocycles, Part 1. Wiley & Sons, Incorporated, John, 2009.

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Skolnik, Herman, and David S. Breslow. Multi-Sulfur and Sulfur and Oxygen Five- and Six-Membered Heterocycles, Part 2. Wiley & Sons, Incorporated, John, 2009.

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Skolnik, Herman, and David S. Breslow. Multi-Sulfur and Sulfur and Oxygen Five- and Six-Membered Heterocycles, Part 2. Wiley & Sons, Incorporated, John, 2008.

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Synthesis of six and five membered heterocyclic compounds including oxygen and nitrogen: Heterocycluc Chemistry. LAP Lambert Academic Publishing, 2012.

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Rosowsky, Andre. Chemistry of Heterocyclic Compounds, Seven-Membered Heterocyclic Compounds Containing Oxygen and Sulfur. Wiley & Sons, Incorporated, John, 2008.

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Book chapters on the topic "Oxygen heterocycles"

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Rowlands, C. C., and R. D. Farley. "15.3.1 Oxygen containing heterocycles." In Landolt-Börnstein - Group II Molecules and Radicals. Springer Berlin Heidelberg, 2008. http://dx.doi.org/10.1007/978-3-540-45824-1_39.

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Novák, Zoltán, and András Kotschy. "Synthesis and Transformations of Oxygen Heterocycles." In Topics in Heterocyclic Chemistry. Springer International Publishing, 2014. http://dx.doi.org/10.1007/7081_2014_136.

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Yang, Yudong, and Jingsong You. "Pd-Catalyzed Synthesis of Oxygen-Containing Heterocycles." In Transition Metal-Catalyzed Heterocycle Synthesis via CH Activation. Wiley-VCH Verlag GmbH & Co. KGaA, 2016. http://dx.doi.org/10.1002/9783527691920.ch3.

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Liu, Bin, Fang Hu, and Bing-Feng Shi. "Rh-Catalyzed Synthesis of Oxygen-Containing Heterocycles." In Transition Metal-Catalyzed Heterocycle Synthesis via CH Activation. Wiley-VCH Verlag GmbH & Co. KGaA, 2016. http://dx.doi.org/10.1002/9783527691920.ch6.

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Bolshakov, Oleg I. "Benzotriazole-Mediated Synthesis of Oxygen-Containing Heterocycles." In Topics in Heterocyclic Chemistry. Springer International Publishing, 2015. http://dx.doi.org/10.1007/7081_2015_180.

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Rainier, Jon D. "Synthesis of Natural Products Containing Medium-Size Oxygen Heterocycles by Ring-Closing Alkene Metathesis." In Metathesis in Natural Product Synthesis. Wiley-VCH Verlag GmbH & Co. KGaA, 2010. http://dx.doi.org/10.1002/9783527629626.ch3.

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Santamaría, Javier, and Carlos Valdés. "Six-Membered Rings with One Oxygen: Pyrylium Ion, Related Systems and Benzo-Derivatives." In Modern Heterocyclic Chemistry. Wiley-VCH Verlag GmbH & Co. KGaA, 2011. http://dx.doi.org/10.1002/9783527637737.ch18.

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Scheuer, Paul J. "Alkaloids Containing a Seven-Membered Oxygen Ring." In Chemistry of Heterocyclic Compounds: A Series Of Monographs. John Wiley & Sons, Inc., 2008. http://dx.doi.org/10.1002/9780470186961.ch9.

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McKee, R. L. "Systems of Three Oxygen Atoms and One Nitrogen Atom." In Chemistry of Heterocyclic Compounds: A Series Of Monographs. John Wiley & Sons, Inc., 2008. http://dx.doi.org/10.1002/9780470186787.ch17.

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McKee, R. L. "Systems of One Oxygen Atoms and Three Nitrogen Atom." In Chemistry of Heterocyclic Compounds: A Series Of Monographs. John Wiley & Sons, Inc., 2008. http://dx.doi.org/10.1002/9780470186787.ch19.

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Conference papers on the topic "Oxygen heterocycles"

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He, Yi, Shuai Ren, Xi Wang, et al. "The Effect of Temperature on the Adsorption Behavior and Inhibition Performance of a Pyrimidine-Type Inhibitor at Medium Temperature Range (25°C to 80°C)." In CONFERENCE 2022. AMPP, 2022. https://doi.org/10.5006/c2022-17895.

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Abstract In the oil and gas industry, long-distance transmission of produced hydrocarbons is usually carried out in large-diameter steel pipelines. However, water co-produced with the oil and gas, combined with CO2 or H2S, can cause severe corrosion of internal pipeline surfaces. A widely applied, economically effective method of corrosion control is to inject corrosion inhibitors (CIs). Adsorption of the organic molecules on surfaces through heteroatom functionalities, containing nitrogen, oxygen, sulfur and/or phosphorus, can markedly change the corrosion resistance characteristics of the ex
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Tabolin, Andrey, Vladimir Motornov, Valentine Nenajdenko та Sema Ioffeа. "α-FLUORONITROALKENES IN THE SYNTHESIS OF FLUORINATED HETEROCYCLES". У Chemistry of nitro compounds and related nitrogen-oxygen systems. LLC MAKS Press, 2019. http://dx.doi.org/10.29003/m735.aks-2019/123-125.

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Efimova, Tatyana, Olga Ozerova, Maria Ivanova, and Tamara Novikova. "1-AMINO-2-NITROGUANIDINE IN THE SYNTHESIS OF NITROGEN HETEROCYCLES." In Chemistry of nitro compounds and related nitrogen-oxygen systems. LLC MAKS Press, 2019. http://dx.doi.org/10.29003/m733.aks-2019/112-118.

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Voinkov, E., E. Ulomsky, and V. Rusinova. "STABLE NITROACETONITRILE POTASSIUM SALT IN SYNTHESIS OF NITROGEN-CONTAINING HETEROCYCLES." In Chemistry of nitro compounds and related nitrogen-oxygen systems. LLC MAKS Press, 2019. http://dx.doi.org/10.29003/m784.aks-2019/319-321.

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Savateev, Konstantin, Evgeny Ulomsky, and Vladimir Rusinova. "CHLORODEOXYGENATION OF NITROAZOLOPYRIMIDINES AS A PROMISING METHOD FOR SYNTHESIS OF HETEROCYCLES WITH USEFUL BIOLOGICAL ACTIVITY." In Chemistry of nitro compounds and related nitrogen-oxygen systems. LLC MAKS Press, 2019. http://dx.doi.org/10.29003/m734.aks-2019/119-122.

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Jurkowski, Michal, and Tomasz J. Wasowicz. "Ionization and fragmentation of the six-membered heterocycles containing oxygen – Comparative studies of electron and photon impact on the 3,4-dihydro-2H-pyran molecules." In RAD Conference. RAD Centre, 2021. http://dx.doi.org/10.21175/rad.abstr.book.2021.30.3.

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Glukhacheva, Vera, and Sergey Ilꞌyasov. "SYNTHESIS AND PROPERTIES OF NITRO DERIVATIES OF HETEROCYCLIC ANTRACENES." In Chemistry of nitro compounds and related nitrogen-oxygen systems. LLC MAKS Press, 2019. http://dx.doi.org/10.29003/m729.aks-2019/97-99.

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Drokin, R., D. Gazizov, D. Tiufiakov, et al. "POTASSIUM SALTS OF NITROCARBONYL COMPOUNDS IN THE SYNTHESIS OF NITROGEN-CONTAINING HETEROCYCLIC COMPOUNDS." In Chemistry of nitro compounds and related nitrogen-oxygen systems. LLC MAKS Press, 2019. http://dx.doi.org/10.29003/m749.aks-2019/187-189.

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Smirnov, Aleksandr, Tatyana Pivina, David Lempert, and Maya Kuklja. "PRIMARY EVALUATION OF THE PERSPECTIVES OF USING HIGHENERGY-MATERIALS AND ITS FEATURES FOR HETEROCYCLIC COMPOUNDS." In Chemistry of nitro compounds and related nitrogen-oxygen systems. LLC MAKS Press, 2019. http://dx.doi.org/10.29003/m722.aks-2019/56-62.

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Vilniškis, Rokas, and Rasa Vaiškūnaitė. "Research and Evaluation of the Aromatic Hydrocarbons in the Polluted Wooden Railway Sleepers." In Environmental Engineering. VGTU Technika, 2017. http://dx.doi.org/10.3846/enviro.2017.060.

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Wooden railway sleepers are impregnated with the chemicals that prevent the disassembling of the wood splitter. Such chemical wood impregnator as creosote or shale oil have been widely used to prolong the lifetime of wooden railway sleepers, protecting them from the negative microorganisms and atmospheric effects. These substances are based on aromatic hydrocarbons (powerful carcinogens), phenolic compounds, heterocyclic nitrogen, oxygen, and sulfur compounds. Lithuania formes over 30,000 pieces of wooden sleepers improper for use annually. Based on the existing environmental legislation, used
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