Relevant bibliographies by topics / Pyrazolines isoxazoles

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Academic literature on the topic 'Pyrazolines isoxazoles'

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

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Journal articles on the topic "Pyrazolines isoxazoles"

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Kidwai, Mazaahir, Shuchi Kukreja, and Ruby Thakur. "K2CO3-Mediated Regioselective Synthesis of Isoxazoles and Pyrazolines." Letters in Organic Chemistry 3, no. 2 (2006): 135–39. http://dx.doi.org/10.2174/157017806775224170.

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Solankee, Anjani, and Riki Tailor. "Synthesis, Characterisation and Biological Screening of s-Triazine Based Chalcones and its Derivatization into Phenyl Pyrazolines, Isoxazoles." International Letters of Chemistry, Physics and Astronomy 47 (February 2015): 109–19. http://dx.doi.org/10.18052/www.scipress.com/ilcpa.47.109.

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Heterocyclic derivatives such as phenyl pyrazolines and isoxaxoles were prepared from s - triazine based chalcones. Chalcones (A1 - A5) are synthesised by the reaction of compound (V) with various aromatic aldehydes. Moreover, further reaction of chalcones with phenyl hydrazine hydrochloride and hydroxylamine hydrochloride in the presence of alkali gives phenyl pyrazolines (A6 - A10) and isoxazoles (A11 - A15) derivatives respectively. The structures of the newly synthesised compounds were confiremed by spectroscopic (IR, 1H NMR, 13C NMR) and elemental analysis. All the newly synthesised compo
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Solankee, Anjani, and Riki Tailor. "Synthesis, Characterisation and Biological Screening of s-Triazine Based Chalcones and its Derivatization into Phenyl Pyrazolines, Isoxazoles." International Letters of Chemistry, Physics and Astronomy 47 (February 24, 2015): 109–19. http://dx.doi.org/10.56431/p-jy3j82.

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Heterocyclic derivatives such as phenyl pyrazolines and isoxaxoles were prepared from s - triazine based chalcones. Chalcones (A1 - A5) are synthesised by the reaction of compound (V) with various aromatic aldehydes. Moreover, further reaction of chalcones with phenyl hydrazine hydrochloride and hydroxylamine hydrochloride in the presence of alkali gives phenyl pyrazolines (A6 - A10) and isoxazoles (A11 - A15) derivatives respectively. The structures of the newly synthesised compounds were confiremed by spectroscopic (IR, 1H NMR, 13C NMR) and elemental analysis. All the newly synthesised compo
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Muna, A. Othman Salem, A. A. Mageed Hana, S. Muftah Huda, F. El Ezabi Reda та A. Khaled Fayrouz. "Synthesis and characterization of some new heterocyclic compounds from α, β- unsaturated carbonyl system". Synthesis and characterization of some new heterocyclic compounds from α, β- unsaturated carbonyl system 3, № 1 (2021): 56–63. https://doi.org/10.36811/ojpsr.2021.110015.

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An efficient and facile one pot synthesis of 3,4-dihydropyrimidinones (Belinelli compound) from furfural, acetylacetone and urea under solvent free conditions was performed, resulted in promising yield. These compounds reacted with benzaldehyde and furfural to give the corresponding chalcones. Chalcones are used to synthesize several derivatives like pyrazolines isoxazoles and pyrimidines having different heterocyclic ring systems. https://www.raftpubs.com/ojpsr-pharmaceutical-science-and-research/articles/ojpsr_raft1015.php
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D., H. Vyas, D. Tala S., F. Dhaduk M., D. Akbari J., and S. Joshi H. "Synthesis, antitubercular and antimicrobial activities of some new pyrazoline and isoxazole derivatives." Journal of Indian Chemical Society Vol. 84, Nov 2007 (2007): 1140–44. https://doi.org/10.5281/zenodo.5824658.

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Department of Chemistry, Saurashtra University, Rajkot-360 005, Gujarat, India <em>E-mail </em>: drhsjoshi49@gmail.com <em>Manuscript received 23 November 2006, revised 6 June 2007, accepted 17 August 2007</em> Cyclocondensation of hydrazine hydrate with (2<em>E</em>)-1-(3,5 dibromo-4-methoxyphenyl)-3-aryl-prop-2-en-1-ones&nbsp;(1a-j) in glacial acetic acid afford corresponding 1-acetyl-3-(3,5-dibromo-4-methoxyphenyl)-5-aryl-4,5-dihydro-1<em>H</em>-pyrazoles (2a-j). While the compounds 1a-j on reaction with hydroxylamine hydrochloride in presence of acetic acid and sodium acetate to give 3-(3,
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SHAH, M., P. PATEL, S. KORGAOKAR, and H. PAREKH. "ChemInform Abstract: Synthesis of Pyrazolines, Isoxazoles and Cyanopyridines as Potential Antimicrobial Agents." ChemInform 28, no. 13 (2010): no. http://dx.doi.org/10.1002/chin.199713029.

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Abbas Bukhari, Syed, Ibrahim Jantan, Lam Wai, Nordin Lajis, Faridah Abbas, and Malina Jasamai. "Synthesis and Effects of Pyrazolines and Isoxazoles on the Phagocytic Chemotaxis and Release of Reactive Oxygen Species by Zymosan Stimulated Human Neutrophils." Medicinal Chemistry 9, no. 8 (2013): 1091–98. http://dx.doi.org/10.2174/1573406411309080011.

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8

Nancy, Sakshi Chaudhary, Deepak Kumar, and Archana. "Synthesis and Anti-inflammatory Activity of Newer Indolyl Pyrazolines and Indolyl Isoxazolines." Asian Journal of Organic & Medicinal Chemistry 7, no. 1 (2022): 79–83. http://dx.doi.org/10.14233/ajomc.2022.ajomc-p365.

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Various 5-substituted aryl-3-(2′-carboxy-5′-methoxyindolyl)-2-pyrazolines (9-15) and 5-substituted aryl-3-(2′-carboxy-5′-methoxyindolyl)isoxazolines (16-22) have been synthesized by the cyclization of compounds 1-(2′-carboxyl-5′-methoxyindolyl-3-arylidenyl chalcones (2-8) by treating them with hydrazine hydrate/glacial acetic acid and hydroxylamine hydrochloride/2% NaOH, respectively and TLC checked for their purity. Structure of all these newly synthesized compounds was characterized by elemental (C, H, N) analysis and IR and 1H NMR spectroscopy. All the synthesized compounds were tested for
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Saroja, T., R. M. Ezhilarasi, V. Selvamani, and S. Mahalakshmi. "Synthesis, Characterization and In-Silico Analysis of New 2-Pyrazolines." Journal of Scientific Research 13, no. 1 (2021): 183–94. http://dx.doi.org/10.3329/jsr.v13i1.46995.

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Heterocyclic compounds such as pyrazolines, pyrimidines, oxazole and isoxazole exhibit different pharmacological activities. The current study involves synthesis of new 2-pyrazolines. The synthesis involves the cyclocondensation reaction of substituted chalcones with (4-fluorophenylthio)acetic acid hydrazide (FTAH) under reflux. The chalcones (C1-C7 / 1a-1g) were synthesized from the reaction of substituted acetophenone with substituted benzaldehyde and FTAH was prepared from 4-fluro thiophenol. New 2-pyrazolines were obtained in good yields (60-70 %). All the compounds were characterized by F
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Saroja, T., R. M. Ezhilarasi, V. Selvamani, and S. Mahalakshmi. "Synthesis, Characterization and In-Silico Analysis of New 2-Pyrazolines." Journal of Scientific Research 13, no. 1 (2021): 183–94. http://dx.doi.org/10.3329/jsr.v13i1.46995.

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Heterocyclic compounds such as pyrazolines, pyrimidines, oxazole and isoxazole exhibit different pharmacological activities. The current study involves synthesis of new 2-pyrazolines. The synthesis involves the cyclocondensation reaction of substituted chalcones with (4-fluorophenylthio)acetic acid hydrazide (FTAH) under reflux. The chalcones (C1-C7 / 1a-1g) were synthesized from the reaction of substituted acetophenone with substituted benzaldehyde and FTAH was prepared from 4-fluro thiophenol. New 2-pyrazolines were obtained in good yields (60-70 %). All the compounds were characterized by F
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Dissertations / Theses on the topic "Pyrazolines isoxazoles"

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Silva, Givanildo Santos da. "Estudos estruturais e em química medicinal visando a identificação de novos inibidores da acetilcolinesterase Ipisox, Prisox, Ocisox, 4d, b07, 13b e c90." Universidade Federal de Alagoas, 2016. http://www.repositorio.ufal.br/handle/riufal/1865.

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This work presents a crystal chemistry study of seven compounds grouped into three classes: isoxazoles, pyrazoles and pyrazolines here called IPISOX, PRISOX, 4D, OCISOX, C90, B07 e 13B, in order to identify novel acetylcholinesterase inhibitors. The structures of the listed compounds were determined by X-ray diffraction method using monocrystalline samples of the aforementioned substances. The disagreement rates seen between the model and the model defined by the diffraction pattern were: 0.0708; 0.0399; 0.0513; 0.0562; 0.0726; 0.0519; 0.0457 to IPISOX, PRISOX, OCISOX, 4D, B07, 13B e C90, resp
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