Relevant bibliographies by topics / Oxirane derivative

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Academic literature on the topic 'Oxirane derivative'

Author: Grafiati
Published: 5 June 2025
Last updated: 1 August 2025

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Journal articles on the topic "Oxirane derivative"

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Khalili, Gholamhossein, Patrick McCosker, Timothy Clark, and Paul Keller. "Synthesis and Density Functional Theory Studies of Azirinyl and Oxiranyl Functionalized Isoindigo and (3Z,3’Z)-3,3’-(ethane-1,2-diylidene)bis(indolin-2-one) Derivatives." Molecules 24, no. 20 (2019): 3649. http://dx.doi.org/10.3390/molecules24203649.

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The design and synthesis of functionalized isoindigo compounds by reaction of isoindigo with (S)-glycidyl tosylate, epibromohydrin, 2-(bromomethyl)-1-(arylsulfonyl)aziridine, and 2-(bromomethyl)-1-(alkylsulfonyl)aziridine in the presence of MeONa proceed under mild conditions in moderate yields. (3Z,3’Z)-3,3’-(Ethane-1,2-diylidene)bis(1-(oxiran-2-ylmethyl)indolin-2-one), with an extended central olefin π-conjugated moiety was also reacted with methyl-oxiranes to give the corresponding N,N’-disubstituted derivative. Calculations with DFT and TD-DFT of hypothetical isoindigo-thiophene DA molecul
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Barmaki, Mohammad, Gulgaz Valiyeva, Abel A. Maharramovm, and Mirze M. Allaverdiyev. "Synthesis of 2,3-Dihydro-6-methyl-2-thiopyrimidin-4(1H)-one (6-Methylthiouracil) Derivatives and Their Reactions." Journal of Chemistry 2013 (2013): 1–6. http://dx.doi.org/10.1155/2013/176213.

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The synthesis and characterization of 2,3-dihydro-6-methyl-2-thioxopyrimidin-(1H)-one (I) and some of its derivatives has been performed in our lab. Ring-closing cyclization, as a result of the condensation of ethyl-3-oxobutanoate with thiourea in KOH in an ethanol medium produced 2,3-dihydro-6-methy -2-thioxopyrimidin-(1H)-one (I). The reaction of compound (I) with 2- chloroacetic acid in an alkaline KOH solution produced the carboxylate derivative, 2-(2,6-dihydro-4-methyl-6-oxopyrimidin-2-yl-thio)ethanoic acid (II). The reaction of the resulted derivative of carboxylate (II) with the salt of
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Janeba, Zlatko, Antonín Holý, and Milena Masojídková. "Transformation of 8-[(2-Hydroxyalkyl)sulfanyl]adenines to 6-Amino-7H-purin-8(9H)-one Derivatives." Collection of Czechoslovak Chemical Communications 66, no. 9 (2001): 1393–406. http://dx.doi.org/10.1135/cccc20011393.

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Alkylation of 6-amino-7H-purin-8(9H)-thione (8-sulfanyladenine, 1) with one equivalent of (R)-[(trityloxy)methyl]oxirane gave its S-alkyl derivative 2, which was converted to the 6-amino-7H-purin-8(9H)-one (3), while alkylation of 1 with two equivalents of (S)-[(trityloxy)methyl]oxirane afforded a mixture of N3,S-dialkylated product 4a, N9-monoalkyl and N7,N9-dialkyl derivatives of 6-amino-7H-purin-8(9H)-one, 5a and 6a, respectively. This approach can be used for rapid and easy transformation of 8-[(2-hydroxyalkyl)sulfanyl]adenines to the derivatives of 6-amino-7H-purin-8(9H)-one (8-hydroxyade
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Okopi, S. O., and L. M. Affiku. "Synthesis and Olfactory Characteristics of Hydroxyether Derivatives of Methyl Eugenol." Journal of Applied Sciences and Environmental Management 24, no. 9 (2020): 1503–7. http://dx.doi.org/10.4314/jasem.v24i9.3.

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Methyl eugenol is a naturally occurring substance found in the essential oils of several plant species. It is a cheap and abundant material with a rather limited interest as perfuming ingredient. This research investigated the structure-odour relationship of methyl eugenol and its derivatives, focusing on the chemical transformation of the double bond to hydroxyether derivatives in a controlled manner. Two derivatives 2-(4-ethyl- 3-methoxybenzyl)oxirane (68.8% yield) and 1-(3,4-dimethoxyphenyl)-3-ethoxypropan-2-ol (63.58% yield), were synthesized from methyl eugenol. This research found that t
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Salanti, Anika, Luca Zoia, and Marco Orlandi. "Chemical modifications of lignin for the preparation of macromers containing cyclic carbonates." Green Chemistry 18, no. 14 (2016): 4063–72. http://dx.doi.org/10.1039/c6gc01028h.

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An epoxidized lignin derivative was prepared directly inserting epichlorohydrin on the phenolic functionalities and then the oxirane rings were converted to cyclic carbonate through the coupling reaction with CO<sub>2</sub>.
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Eshtukova-Shcheglova, E. A., K. A. Perevoshchikova, A. V. Eshtukov-Shcheglov, D. A. Cheshkov, and M. A. Maslov. "Amination of epoxides as a convenient approach for lipophilic polyamines synthesis." Fine Chemical Technologies 17, no. 4 (2022): 323–34. http://dx.doi.org/10.32362/2410-6593-2022-17-4-323-334.

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Objectives. Alkylated derivatives of polyamines are able to block the growth of cancer cells due to their embedding into the polyamine biosynthesis mechanisms. The study aimed to synthesize lipophilic derivatives of norspermine or triethylenetetramine based on the formation of a C–N bond during the opening of the oxirane ring by primary amines to expand a number of synthetic polyamine derivatives with antitumor activity.Methods. The starting compounds—glycidol alcoholate or epichlorohydrin—were reacted with hexadecyl bromide or sodium hexadecanolate to give glycidyl hexadecyl ether. The key re
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Mali, Suraj N., Sudhir Sawant, Hemchandra K. Chaudhari, and Mustapha C. Mandewale. "In Silico Appraisal, Synthesis, Antibacterial Screening and DNA Cleavage for 1,2,5-thiadiazole Derivative." Current Computer-Aided Drug Design 15, no. 5 (2019): 445–55. http://dx.doi.org/10.2174/1573409915666190206142756.

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Background: : Thiadiazole not only acts as “hydrogen binding domain” and “two-electron donor system” but also as constrained pharmacophore. Methods:: The maleate salt of 2-((2-hydroxy-3-((4-morpholino-1, 2,5-thiadiazol-3-yl) oxy) propyl) amino)- 2-methylpropan-1-ol (TML-Hydroxy)(4) has been synthesized. This methodology involves preparation of 4-morpholino-1, 2,5-thiadiazol-3-ol by hydroxylation of 4-(4-chloro-1, 2,5-thiadiazol-3-yl) morpholine followed by condensation with 2-(chloromethyl) oxirane to afford 4-(4-(oxiran-2-ylmethoxy)-1,2,5-thiadiazol- 3-yl) morpholine. Oxirane ring of this com
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Chalupová, Šárka, Antonín Holý, and Milena Masojídková. "Synthesis of Some N4-Substituted Derivatives of 1-[(S)-3-Hydroxy-2-(phosphonomethoxy)propyl]cytosine (HPMPC, Cidofovir)." Collection of Czechoslovak Chemical Communications 70, no. 12 (2005): 2053–65. http://dx.doi.org/10.1135/cccc20052053.

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N4-Substituted derivatives of HPMPC were synthesized in four-step synthesis which included treatment of 4-methoxypyrimidin-2(1H)-one (1) with (S)-[(trityloxy)methyl]oxirane in DMF. Condensation of intermediary 1-[2-hydroxy-3-(trityloxy)propyl]-4-methoxypyrimidin-2(1H)-one (2) with (diisopropoxyphosphoryl)methyl tosylate in the presence of sodium hydride resulted in fully protected 4-methoxypyrimidin-2(1H)-one derivative 3 which gave on reaction with an appropriate primary amine in dioxane N4-substituted products 4a-4i. The reaction with bromotrimethylsilane simultaneously cleaved the trityl gr
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Keglevich, András, Szabolcs Mayer, Réka Pápai, et al. "Attempted Synthesis of Vinca Alkaloids Condensed with Three-Membered Rings." Molecules 23, no. 10 (2018): 2574. http://dx.doi.org/10.3390/molecules23102574.

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Our successful work for the synthesis of cyclopropanated vinblastine and its derivatives by the Simmons–Smith reaction was followed to build up further three-membered rings into the 14,15-position of the vindoline part of the dimer alkaloid. Halogenated 14,15-cyclopropanovindoline was prepared by reactions with iodoform and bromoform, respectively, in the presence of diethylzinc. Reactions of dichlorocarbene with vindoline resulted in the 10-formyl derivative. Unexpectedly, in the case of the dimer alkaloids vinblastine and vincristine, the rearranged products containing an oxirane ring in the
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S., A. EL-ABBADY, and M. AGAMAI S. "Synthesis and Selected Reactions of 9-(2-Cyanoethyl)-1-oxa-9-azatricyclo[ 4.2.1.0 2,8]nonan-3-one-6-carbonitrile." Journal of Indian Chemical Society Vol. 73, Dec 1996 (1996): 663–65. https://doi.org/10.5281/zenodo.5918343.

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Department of Chemistry, University College for Girls, Am Shams University, Heliopolis, Cairo, Egypt <em>Manuscript received 27 January 1994, revised 16 March 1995, accepted 31 May 1995&nbsp;</em> Oxirination of the activated 3,4-olefinic double bond of 8-(2-cyanoethyl)-8-azabicyclo[3.2.1]oct-3-en-2-one-6-carbonitrile (1) with basic hydrogen peroxide afforded 9-(2-cyanoethyl)-1-oxa-9-azatricyclo[4.2.1.0<sup>2,8</sup>]nonan-3-one-6-carbonitrile (2). Ring opening of the oxirane ring in 2 has been investigated using 10% sodium hydroxide, acetic acid and phenylhydrazine to give 4, 7 and 8 respecti
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Dissertations / Theses on the topic "Oxirane derivative"

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Corser, David Alan. "Novel enzyme- and free radical-mediated reactions of oxirane derivatives." Thesis, Loughborough University, 1993. https://dspace.lboro.ac.uk/2134/27040.

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The thesis describes the use of various hydrolases in the preparation of enantiomerically enriched epoxyesters. Optically enriched n-butyl 4,5- epoxypentanoate was prepared with a 64% enantiomeric excess via the porcine pancreatic lipase-catalysed hydrolysis of the racemic ester. The hydrolase-catalysed hydrolysis of two prochiral epoxydiesters; meso 2,3-epoxybutan-1 A-diyl dibutanoate and 2,3-epoxy-2-butanoyloxymethylpropan-1-yl butanoate, were performed with several lipases, with the enantiomerically enriched epoxymonoesters being obtained in up to 80% and 65% enantiomeric excesses, respecti
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Flaherty, Terrence Michael. "1. Synthesis of C-glycoside sulfones via oxirane-thirane exchange 2. Preparation of sialic acid derivatives amenable to solid-phase synthesis 3. Conformational analysis of complex polysaccharides." Diss., The University of Arizona, 1997. http://hdl.handle.net/10150/282328.

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As part of a program directed toward the synthesis of novel glycosyl transferase inhibitors possessing a sugar-CH₂-SO₂-CH₂-SO₂-CH₂-nucleoside structure, β-C-glycoside sulfones have been prepared with high stereoselectivity. Both glucose and fucose derivatives were prepared. Sulfur incorporation was achieved by free radical addition of thiolacetic acid to exocyclic glycals. As part of a program directed toward the preparation of amide-linked sialic acid oligomers, a strategy was developed for the synthesis of sialic acid derivatives possessing either a free amine or a free acid functionality. S
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Zheng, Yi-Feng. "A study of the synthesis and properties of some oxiranyl and thiirangl long chain fatty acid esters and the production of furanyl derivatives from the seed oil of biota orientalis /." [Hong Kong : University of Hong Kong], 1988. http://sunzi.lib.hku.hk/hkuto/record.jsp?B12437153.

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Books on the topic "Oxirane derivative"

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Corser, David Alan. Novel enzyme- and free radical-mediated reactions of oxirane derivatives. 1993.

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Book chapters on the topic "Oxirane derivative"

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Hodgson, D. M., M. A. H. Stent, M. K. Reilly, and E. Gras. "Oxiranes and Oxirenes: Fused-ring Derivatives☆." In Reference Module in Chemistry, Molecular Sciences and Chemical Engineering. Elsevier, 2014. http://dx.doi.org/10.1016/b978-0-12-409547-2.11428-3.

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Hodgson, D. M., and M. A. H. Stent. "Oxiranes and Oxirenes: Fused-ring Derivatives." In Comprehensive Heterocyclic Chemistry III. Elsevier, 2008. http://dx.doi.org/10.1016/b978-008044992-0.00104-8.

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Erden, Ihsan. "Oxiranes and Oxirenes: Fused-ring Derivatives." In Comprehensive Heterocyclic Chemistry II. Elsevier, 1996. http://dx.doi.org/10.1016/b978-008096518-5.00004-6.

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Gras, Emmanuel, and Omar Sadek. "Oxiranes and Oxirenes: Fused-Ring Derivatives." In Reference Module in Chemistry, Molecular Sciences and Chemical Engineering. Elsevier, 2021. http://dx.doi.org/10.1016/b978-0-12-818655-8.00026-3.

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Hou, X. L., X. S. Peng, K. S. Yeung, and H. N. C. Wong. "Electrophilic Cyclization of Propargylic Oxirane Derivatives." In Fully Unsaturated Small-Ring Heterocycles and Monocyclic Five-Membered Hetarenes with One Heteroatom. Georg Thieme Verlag KG, 2011. http://dx.doi.org/10.1055/sos-sd-109-00113.

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Okuyama, Tadashi, and Howard Maskill. "Reactions of Alcohols, Ethers, Thiols, Sulfides, and Amines." In Organic Chemistry. Oxford University Press, 2013. http://dx.doi.org/10.1093/hesc/9780199693276.003.00014.

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This chapter examines the principal methods of preparation of alcohols. It emphasizes that the characteristic properties of alcohols originate in the hydroxy group. Protonation of the O in alcohols and ethers converts poor leaving groups, HO− and RO−, into good ones, H2O and ROH. The chapter then reveals that this enhancement of reactivity by protonation is another example of acid catalysis. The chapter also covers other examples such as acid-catalysed nucleophilic substitution and elimination reactions. In these reactions, R–OH2+ and R–O(H)R+ are comparable with haloalkanes. The chapter also
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Pagès-Xatart-Parès, Xavier, Carine Bonnet, and Odile Morin. "Synthesis of New Derivatives from Vegetable OilMethyl Esters via Epoxidation and Oxirane Opening." In Recent Developments in the Synthesis of Fatty Acid Derivatives. AOCS Publishing, 1999. http://dx.doi.org/10.1201/9781439832073.ch9.

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