Relevant bibliographies by topics / Oxa-heterocycles

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Academic literature on the topic 'Oxa-heterocycles'

Author: Grafiati
Published: 4 June 2025
Last updated: 1 August 2025

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Journal articles on the topic "Oxa-heterocycles"

1

Zhang, Liang, Neng-Jie Mou, Dong-Rong Xiao, et al. "Regioselective synthesis of fused oxa-heterocycles via iodine-mediated annulation of cyclic 1,3-dicarbonyl compounds with propargylic alcohols." Organic Chemistry Frontiers 8, no. 6 (2021): 1155–62. http://dx.doi.org/10.1039/d0qo01496f.

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M., M. DUTTA, and C. S. KATAKY J. "Studies on Biologically Active Heterocycles. Part-V1. Synthesis and Biological Activity of Heterocyclic Azadienes and Phosphate/Thiophosphate Derivatives of 1,3,4-Oxa- and Thiadiazoles." Journal of Indian Chemical Society Vol. 69, Sep 1992 (1992): 599–601. https://doi.org/10.5281/zenodo.6032446.

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Regional Research Laboratory. Jorhat-785 006 <em>Manuscript received 28 January 1991, revised 30 October 1991, accepted 3 July 1992</em> Studies on Biologically Active Heterocycles. Part-V<sup>1</sup>. Synthesis and Biological Activity of Heterocyclic Azadienes and Phosphate/Thiophosphate Derivatives of 1,3,4-Oxa- and Thiadiazoles.
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3

Khramtsova, Ekaterina E., Aleksandr D. Krainov, Maksim V. Dmitriev, and Andrey N. Maslivets. "Cycloaddition of 4-Acyl-1H-pyrrole-2,3-diones Fused at [e]-Side and Cyanamides: Divergent Approach to 4H-1,3-Oxazines." Molecules 27, no. 16 (2022): 5257. http://dx.doi.org/10.3390/molecules27165257.

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4-Acyl-1H-pyrrole-2,3-diones fused at [e]-side with a heterocyclic moiety are suitable platforms for the development of a hetero-Diels–Alder-reaction-based, diversity-oriented approaches to series of skeletally diverse heterocycles. These platforms are known to react as oxa-dienes with dienophiles to form angular 6/6/5/6-tetracyclic alkaloid-like heterocycles and are also prone to decarbonylation at high temperatures resulting in generation of acyl(imidoyl)ketenes, bidentate aza- and oxa-dienes, which can react with dienophiles to form skeletally diverse products (angular tricyclic products or
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Lystsova, Ekaterina A., Ekaterina E. Khramtsova, and Andrey N. Maslivets. "Acyl(imidoyl)ketenes: Reactive Bidentate Oxa/Aza-Dienes for Organic Synthesis." Symmetry 13, no. 8 (2021): 1509. http://dx.doi.org/10.3390/sym13081509.

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Polyfunctional building blocks are essential for the implementation of diversity-oriented synthetic strategies, highly demanded in small molecule libraries’ design for modern drug discovery. Acyl(imidoyl)ketenes are highly reactive organic compounds, bearing both oxa- and aza-diene moieties, conjugated symmetrically to the ketene fragment, enabling synthesis of various skeletally diverse heterocycles on their basis. The highlights of reactions utilizing acyl(imidoyl)ketenes are high yields, short reaction time (about several minutes), high selectivity, atom economy, and simple purification pro
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Aronica, Laura, and Gianluigi Albano. "Cyclization Reactions for the Synthesis of Phthalans and Isoindolines­." Synthesis 50, no. 06 (2018): 1209–27. http://dx.doi.org/10.1055/s-0037-1609175.

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Oxygen and nitrogen heterocycles are present in a vast number of natural substrates and biologically active molecules. In particular, phthalan and isoindoline subunits are found in many classes of products such as antibiotics, antioxidants, antimycotics, pigments, and fluorophores. Therefore several procedures dedicated to the construction of these heterocycles have been developed. In this review, a detailed analysis of the literature data regarding the synthesis of these nuclei via cyclization reactions is reported.1 Introduction2 Phthalans2.1 Oxa-Pictet–Spengler Reaction2.2 Garratt–Braverman
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Fernández-Pérez, Héctor, Pablo Etayo, José Luis Núñez-Rico, Bugga Balakrishna, and Anton Vidal-Ferran. "Ring-opening of enantiomerically pure oxa-containing heterocycles with phosphorus nucleophiles." RSC Adv. 4, no. 102 (2014): 58440–47. http://dx.doi.org/10.1039/c4ra10432c.

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7

Manna, Sibasish, Koushik Das, Sougata Santra, Emily V. Nosova, Grigory V. Zyryanov, and Sandipan Halder. "Structural and Synthetic Aspects of Small Ring Oxa- and Aza-Heterocyclic Ring Systems as Antiviral Activities." Viruses 15, no. 9 (2023): 1826. http://dx.doi.org/10.3390/v15091826.

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Antiviral properties of different oxa- and aza-heterocycles are identified and properly correlated with their structural features and discussed in this review article. The primary objective is to explore the activity of such ring systems as antiviral agents, as well as their synthetic routes and biological significance. Eventually, the structure–activity relationship (SAR) of the heterocyclic compounds, along with their salient characteristics are exhibited to build a suitable platform for medicinal chemists and biotechnologists. The synergistic conclusions are extremely important for the intr
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8

Lelyukh, M. I. "Biological activity of heterocyclic systems based on functionally substituted 1,3,4-thia(oxa)diazoles (a review)." Farmatsevtychnyi zhurnal, no. 6 (December 21, 2019): 43–53. http://dx.doi.org/10.32352/10.32352/0367-3057.6.19.05.

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1,3,4-Thiadiazole and oxadiazole hetetocycles are well-known pharmacophore scaffolds, which possess wide possibility for chemical modification and identified diverse pharmacological potential. Such essential and many-sided activities let to consider the mentioned heterocycles as ones of the crucial for expression of pharmacological activity, which confirm their importance for medicinal chemistry. Moreover, 1,3,4-oxadiazole cycle is a bioisostere for carboxylic, amide and ester groups, which mostly contribute to enhancement the pharmacological activity by participating in hydrogen bonding inter
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9

Kaufman, Teodoro S., and Enrique L. Larghi. "The Oxa-Pictet-Spengler Cyclization: Synthesis of Isochromans and Related Pyran-Type Heterocycles." Synthesis, no. 2 (2006): 187–220. http://dx.doi.org/10.1055/s-2005-918502.

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10

Majumdar, K. C., B. Chattopadhyay, and K. Ray. "Novel synthesis of medium-sized oxa-heterocycles by palladium-catalyzed intramolecular Heck reaction." Tetrahedron Letters 48, no. 43 (2007): 7633–36. http://dx.doi.org/10.1016/j.tetlet.2007.08.121.

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Books on the topic "Oxa-heterocycles"

1

D’hooghe, Matthias, and Hyun-Joon Ha. Synthesis of 4- to 7-membered Heterocycles by Ring Expansion: Aza-, oxa- and thiaheterocyclic small-ring systems. Springer, 2015.

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2

Ha, Hyun-Joon, and Matthias D'hooghe. Synthesis of 4- to 7-Membered Heterocycles by Ring Expansion: Aza-, Oxa- and Thiaheterocyclic Small-Ring Systems. Springer London, Limited, 2015.

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D’hooghe, Matthias, and Hyun-Joon Ha. Synthesis of 4- to 7-membered Heterocycles by Ring Expansion: Aza-, oxa- and thiaheterocyclic small-ring systems. Springer, 2019.

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Book chapters on the topic "Oxa-heterocycles"

1

"Recent Trends in Metal Nanoparticles (MNPs) Catalyzed Synthesis of Aza- and Oxa-Heterocycles." In Advanced Nanocatalysis for Organic Synthesis and Electroanalysis, edited by Tejas M. Dhameliya, Rutvi J. Patel, Normi D. Gajjar, Rajvi H. Amin, Kunjan B. Bodiwala, and Dipen K. Sureja. BENTHAM SCIENCE PUBLISHERS, 2022. http://dx.doi.org/10.2174/9789815040166122010009.

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2

von Angerer, S. "Of 3-Oxa-4,5-benzotricycloheptenes." In Six-Membered Hetarenes with Two Unlike or More than Two Heteroatoms and Fully Unsaturated Larger-Ring Heterocycles. Georg Thieme Verlag KG, 2004. http://dx.doi.org/10.1055/sos-sd-017-01018.

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3

Hou, X. L., X. S. Peng, K. S. Yeung, and H. N. C. Wong. "Intramolecular Michael-Type Addition of a 3-Oxa-1,5-enyne." 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-109-00129.

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4

Borzilleri, R. M. "By Photolysis of Oxa- or Azabicyclo[6.1.0]nona-2,4,6-trienes." In Six-Membered Hetarenes with Two Unlike or More than Two Heteroatoms and Fully Unsaturated Larger-Ring Heterocycles. Georg Thieme Verlag KG, 2004. http://dx.doi.org/10.1055/sos-sd-017-01600.

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Borzilleri, R. M. "1,4-Oxazocines by Thermolysis of 3-Oxa-8-azatricyclo[5.1.0.0]oct-5-enes." In Six-Membered Hetarenes with Two Unlike or More than Two Heteroatoms and Fully Unsaturated Larger-Ring Heterocycles. Georg Thieme Verlag KG, 2004. http://dx.doi.org/10.1055/sos-sd-017-01571.

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Borzilleri, R. M. "By Cycloaddition/Cycloreversion of Oxa- or Azabicyclo[6.1.0]nona-2,4,6-trienes with 3,6-Diphenyltetrazine, Followed by Oxidation." In Six-Membered Hetarenes with Two Unlike or More than Two Heteroatoms and Fully Unsaturated Larger-Ring Heterocycles. Georg Thieme Verlag KG, 2004. http://dx.doi.org/10.1055/sos-sd-017-01601.

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7

Borzilleri, R. M. "Oxa[n]annulenes and Aza[n]annulenes (n = 13–18) by Photolysis of ­Tetracyclic Epoxides, Aziridines, and Related Compounds." In Six-Membered Hetarenes with Two Unlike or More than Two Heteroatoms and Fully Unsaturated Larger-Ring Heterocycles. Georg Thieme Verlag KG, 2004. http://dx.doi.org/10.1055/sos-sd-017-01616.

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You might also be interested in the extended bibliographies on the topic 'Oxa-heterocycles' for particular source types:
Journal articles
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