Relevant bibliographies by topics / Oxirane derivatives

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Academic literature on the topic 'Oxirane derivatives'

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

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Journal articles on the topic "Oxirane derivatives"

1

Petrosyan, Artyom V., Astghik A. Shahkhatuni, Andranik M. Davinyan, et al. "Thiol-Epoxy Click Chemistry: The Synthesis of Vicinal Amino Alcohols Containing a 1,2,4-Triazole Ring." Chemistry 7, no. 2 (2025): 53. https://doi.org/10.3390/chemistry7020053.

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As examples of “Click Chemistry”, the reaction of 1-(oxiran-2-ylmethyl)piperidine with several 1,2,4-triazoles derivatives was studied. As a result, the reaction shows that the oxirane ring opens regiospecifically, according to Krasusky’s rule, without using a catalyst. The basic nitrogen present in 1-(oxiran-2-ylmethyl)piperidine has a catalytic (anchimer) effect.
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Fernandes, Maria José G., David M. Pereira, Renato B. Pereira, A. Gil Fortes, Elisabete M. S. Castanheira, and M. Sameiro T. Gonçalves. "Synthesis and Insecticidal Activity of O-alkylated Oxirane Eugenol Derivatives." Chemistry Proceedings 3, no. 1 (2020): 36. http://dx.doi.org/10.3390/ecsoc-24-08335.

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The synthesis of three O-alkylated eugenol derivatives, bearing a hydroxypropyl chain and propyl esters, were synthesized and further converted into the corresponding oxiranes. Oxirane derivatives were then evaluated against their effect upon the viability of the insect cell line Sf9 (Spodoptera frugiperda), in comparison with the starting O-alkylates. The results pointing to their potential as bioinsecticides, with structural changes eliciting significant effects in terms of potency.
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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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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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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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K., H. Popat, H. Purohit D., T. Chovatia P., and S. Joshi H. "Synthesis of some thiosemicarbazone and oxirane derivatives as potent antitubercular agents." Journal of Indian Chemical Society Vol. 82, Oct 2005 (2005): 940–41. https://doi.org/10.5281/zenodo.5827255.

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Department of Chemistry, Saurashtra University, Rajkot-360 005, India <em>E-mail</em> : drhsjoshi@yahoo.com&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; <em>Fax</em>: 91-281-2578512 <em>Manuscript received 13 August 2004, revised 7 July 2005, accepted 14 July 2005</em> Condensation of thiosemicarbazide with 1-aryl-3-(3&#39;-chlorophenyl)-2-propene-1-ones (la-j) afforded corresponding 4-&alpha;( 3&#39;-chlorostyryl)-benzylidene-thiosemicarbazones (2a-j) and the compounds (1a-j) on reaction with alkaline H<sub>2</sub>O<sub>2</sub> gave 3-(3&#39
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Kuş, Melih, Cenk Omur, Sıla Karaca, and Levent Artok. "Iron-Promoted 1,5-Substitution Reaction of Endocyclic Enyne Oxiranes with MeMgBr: A Stereoselective Method for the Synthesis of Exocyclic 2,4,5-Trienol Derivatives." Chemistry 5, no. 4 (2023): 2682–99. http://dx.doi.org/10.3390/chemistry5040173.

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The iron-promoted 1,5-substitution reaction of endocyclic oxiranes with MeMgBr yields exocyclic 2,4,5-trienols with high diastereomeric ratios of up to 100:0. However, for the method’s success, the oxirane ring must have a trans-configuration. The reactions exhibit strong stereoselectivity concerning the methylation mode and the configuration of the resulting exocyclic double bond. Enantiomerically pure enyne oxiranes can be synthesized through Sharpless asymmetric dihydroxylation and subsequent manipulations. With these reagents, it has been possible to produce exocyclic 2,4,5-trienols in ena
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9

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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Askerov, O. V., A. F. Mamedova, and D. R. Nurullayeva. "SYNTHESIS AND PROPERTIES OF ORGANOSILICON EPISULFIDES." Azerbaijan Chemical Journal, no. 4 (December 8, 2021): 43–48. http://dx.doi.org/10.32737/0005-2531-2021-4-43-48.

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A study was made of the interaction of thiourea with saturated and unsaturated organosilicon oxiranes in absolute methyl alcohol in a medium of potassium hydroxide, and methods were developed for the synthesis of unsaturated and unsaturated organosilicon silicides with a yield of 65–75%.The studies carried out revealed that the synthesized organosilicon episulfides are very reactive compounds and can react with nucleophilic and electrophilic reagents, while forming the corresponding silicon derivatives. The IR- spectra of the products were studied. It should be noted that, when comparing the I
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Dissertations / Theses on the topic "Oxirane derivatives"

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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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2

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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3

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 derivatives"

1

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

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Book chapters on the topic "Oxirane derivatives"

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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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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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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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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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