Academic literature on the topic 'Oxazol-5-(4H)-ones'

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Journal articles on the topic "Oxazol-5-(4H)-ones"

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Zhao, Hong-Wu, Juan Du, Jia-Ming Guo, et al. "Formal [5+2] cycloaddition of vinylethylene carbonates to oxazol-5-(4H)-ones for the synthesis of 3,4-dihydrooxepin-2(7H)-ones." Chemical Communications 54, no. 66 (2018): 9178–81. http://dx.doi.org/10.1039/c8cc04584d.

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Fisk, Jason S., Robert A. Mosey, and Jetze J. Tepe. "The diverse chemistry of oxazol-5-(4H)-ones." Chemical Society Reviews 36, no. 9 (2007): 1432. http://dx.doi.org/10.1039/b511113g.

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Goldfogel, Matthew J., and Simon J. Meek. "Diastereoselective synthesis of vicinal tertiary and N-substituted quaternary stereogenic centers by catalytic hydroalkylation of dienes." Chemical Science 7, no. 7 (2016): 4079–84. http://dx.doi.org/10.1039/c5sc04908c.

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Bowden, Keith, Alexander Perjéssy, Ján Benko, et al. "Reactions of Carbonyl Compounds in Basic Solutions. Part 351: The Alkaline Hydrolysis and Reactivity – Structure – Spectra Correlations of (Z)-4-(Substituted Benzylidene)-2-Phenyl-4H-Oxazol-5-Ones." Journal of Chemical Research 2002, no. 7 (2002): 309–10. http://dx.doi.org/10.3184/030823402103172266.

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The kinetics of the alkaline hydrolysis and the configuration, conformation and electronic structure were studied using IR, NMR spectroscopy, X-ray analysis and AM1 theoretical calculations for a series of (Z)-4-(substituted benzylidene)-2-phenyl-4H-oxazol-5-ones (1) and compared with analogous results reported for (E)-4-benzylidene-2-phenyl-4H-furan-5-ones (5) and related compounds.
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Tien Nguyen, Cong, Dao Thi Hong Dinh, Thin Van Nguyen, Giang Duc Le, and Hien Cao Nguyen. "Synthesis and Antimicrobial Activity of Some 1-arylideneamino-4-(4-chlorobenzylidene)-2-methyl- 1H-imidazolin-5(4H)-one Compounds." Oriental Journal of Chemistry 35, no. 2 (2019): 822–28. http://dx.doi.org/10.13005/ojc/350245.

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4-Chlorobenzylidene-2-methyl-(4H)-oxazol-5-one, which were prepared from 4-chlorobenzaldehyde and acetylglycine in reaction with hydrazine hydrate in ethanol gave 1-amino-4-(4-chlorobenzylidene)-2-methyl-1H-imidazolin-5(4H)-one. However, treatment of 4-chlorobenzylidene-2-methyl-(4H)-oxazol-5-one with hydrazine hydrate in pyridine yielded 3-(4-chlorophenyl)propanohydrazide. Reaction of 1-amino-4-(4-chlorobenzylidene)-2-methyl-1H-imidazolin-5(4H)-one with aromatic aldehydes gave eight corresponding Schiff’s bases namely 1-arylideneamino-4-(4-chlorobenzylidene)-2-methyl-1H-imidazolin-5(4H)-ones.
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Rosca, Elena Valentina, Theodora Venera Apostol, Constantin Draghici, et al. "Synthesis, characterization and Cytotoxicity Evaluation of New Compounds from Oxazol-5(4H)-Ones and 1,2,4-Triazin-6(5H)-Ones Classes." Revista de Chimie 70, no. 11 (2019): 3769–74. http://dx.doi.org/10.37358/rc.19.11.7644.

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This paper presents the synthesis of new heterocyclic compounds from oxazoles and triazinones classes. Some 2-(4-(4-X-phenylsulfonyl)benzamido)acetic acids were condensed with 4-iodobenzaldehyde in presence of acetic anhydride and sodium acetate, when the new corresponding unsaturated oxazol-5(4H)-one were obtained. Through the reaction of these oxazol-5(4H)-ones with phenylhydrazine, in presence of the acetic acid and sodium acetate, the new heterocyclic compounds from 1,2,4-triazin-6(5H)-ones class were obtained. The structures of synthesized compounds have been confirmed by spectral methods
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Rosca, Elena Valentina, Theodora Venera Apostol, Constantin Draghici, et al. "Synthesis, characterization and Cytotoxicity Evaluation of New Compounds from Oxazol-5(4H)-Ones and 1,2,4-Triazin-6(5H)-Ones Classes." Revista de Chimie 70, no. 11 (2019): 3769–74. http://dx.doi.org/10.37358/rc.70.19.11.7644.

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This paper presents the synthesis of new heterocyclic compounds from oxazoles and triazinones classes. Some 2-(4-(4-X-phenylsulfonyl)benzamido)acetic acids were condensed with 4-iodobenzaldehyde in presence of acetic anhydride and sodium acetate, when the new corresponding unsaturated oxazol-5(4H)-one were obtained. Through the reaction of these oxazol-5(4H)-ones with phenylhydrazine, in presence of the acetic acid and sodium acetate, the new heterocyclic compounds from 1,2,4-triazin-6(5H)-ones class were obtained. The structures of synthesized compounds have been confirmed by spectral methods
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Zhang, Jing, Man Liu, Chao Li, Yan-Jun Xu, and Lin Dong. "Synthesis of 2,3,4-trisubstituted pyrrole derivatives via [3 + 2] cyclization of activated methylene isocyanides with 4-(arylidene)-2-substituted oxazol-5(4H)-ones." Organic Chemistry Frontiers 7, no. 2 (2020): 420–24. http://dx.doi.org/10.1039/c9qo01044k.

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An efficient base-catalyzed [3 + 2] cyclization between isocyanides and 4-(arylidene)-2-substituted oxazol-5(4H)-ones has been successfully developed to form 2,3,4-trisubstituted and 2,2,3,4-tetrasubstituted pyrrole derivatives.
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Topuzyan, V. O., and A. A. Hovannisyan. "Reactions of Oxazol-5(4H)-ones Involving Organosilicone Reagents (A Review)." Russian Journal of Organic Chemistry 60, no. 5 (2024): 753–88. http://dx.doi.org/10.1134/s1070428024050014.

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Arzyamova, Ekaterina M., and Alevtina Yu Egorova. "Thionation of 4-((4-oxo-4H-chromen-3-yl)methylene)-2-phenyloxazol-5(4H)-one using the LAWESSON’S reagent." Izvestiya of Saratov University. Chemistry. Biology. Ecology 24, no. 2 (2024): 122–28. http://dx.doi.org/10.18500/1816-9775-2024-24-2-122-128.

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Analysis of periodicals has showed that there is no information on the behavior of hybrid heterocyclic systems containing several pharmacophore fragments based on oxazol-5(4H)-ones and chromen-4(4H)-ones in reactions with thionizing reagents under various conditions. The interaction of 4-((4-oxo-4H-chromen-3-yl)methylene)-2-phenyloxazol-5(4H)-one with Lawesson’s reagent (LR) (2,4-bis-[pmethoxyphenyl]) has been studied for the first time – 1,3- dithiaphosphetane-2,4-disulfide) under conditions of thermal activation of the reaction mixture and the use of a closed reactor in the environment of no
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Dissertations / Theses on the topic "Oxazol-5-(4H)-ones"

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Ferreira, Maria Beatriz Tomaz. "A rational approach towards novel modulators of necroptosis." Master's thesis, 2018. http://hdl.handle.net/10362/53596.

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Necroptosis is a regulated form of necrosis that occurs in response to a cellular damage or infection. It is independent of caspases, occurring under conditions in which the classical pathway of cell death by apoptosis is inhibited. The execution of this type of cell death involves the recruitment of kinases as the RIPK1 and the RIPK3, which give rise to a complex necrosome and lead to the recruitment of the MLKL and consequent phosphorylation, triggering a necroptosis process. RIPK1 and RIPK3 are involved in a wide variety of pathologies for which they currently lack effective treatments, suc
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Conference papers on the topic "Oxazol-5-(4H)-ones"

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Gašparová, Renata, Eva Haršányiová, and Margita Lácová. "Microwave-assisted reactions of 4-[(4-oxochromen-3-yl)methylene]-2-phenyl-1,3-oxazol-5(4H)-ones with nitrogen bases." In The 11th International Electronic Conference on Synthetic Organic Chemistry. MDPI, 2007. http://dx.doi.org/10.3390/ecsoc-11-01348.

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