Results 11 to 20 of about 24,259 (231)

Synthesis and characterization of selected fused isoxazole and pyrazole derivatives and their antimicrobial activity [PDF]

open access: yesJournal of the Serbian Chemical Society, 2009
New potent antibacterials, fused isoxazole and pyrazole derivatives, were synthesized using 5,5-dimethylcyclohexane-1,3-dione (1) and 3-[(4-chlorobenzylidene) amino]-2-thioxoimidazolidin-4-one (2) as synthons.
Dabholkar Vijay V., Ansari Faisal Y.
doaj   +5 more sources

The Green and Effective Synthesis of Isoxazole-Based Molecules Under Ultrasonic Irradiation Approaches [PDF]

open access: yesPharmaceuticals
Isoxazole-based molecules constitute a crucial category of heterocyclic compounds with wide-ranging applications across pharmaceutical development, advanced materials, and pesticide synthesis.
Mei-Tong Chen   +5 more
doaj   +2 more sources

Phenylisoxazole-3/5-Carbaldehyde Isonicotinylhydrazone Derivatives: Synthesis, Characterization, and Antitubercular Activity

open access: yesJournal of Chemistry, 2021
Eight new phenylisoxazole isoniazid derivatives, 3-(2′-fluorophenyl)isoxazole-5-carbaldehyde isonicotinylhydrazone (1), 3-(2′-methoxyphenyl)isoxazole-5-carbaldehyde isonicotinylhydrazone (2), 3-(2′-chlorophenyl)isoxazole-5-carbaldehyde ...
Fernando Carrasco   +11 more
doaj   +1 more source

Synthesis of Spiro Pyrazolone-Oxindole and Bicyclic Pyrazolone Derivatives via Solvent-Dependent Regioselective Aza-1,4/1,6-Michael and Intramolecular Cycloaddition under Catalyst-Free Conditions

open access: yesSynOpen, 2021
A solvent-dependent, highly regioselective [3+2]-cyclo­addition reaction of isoxazole-styrenes and azomethine imines under catalyst-free conditions is reported, furnishing a library of pyrazolone–spirooxindole hybrids.
Kota Sathish   +2 more
doaj   +1 more source

Simple Access to Isoxazole-Containing Heterocyclic Hybrids: Isoxazole/Oxazole and Isoxazole/Pyridine

open access: yesRussian Journal of General Chemistry, 2023
Abstract The synthesis of substituted isoxazole–oxazole hybrids by the noncatalytic reaction of methyl 2-diazo-2-(alkyl/aryl/hetarylisoxazol-5-yl)acetates with alkyl and aryl cyanides has been reported. According to DFT calculations, the reaction proceeds through the intermediate formation of a nitrile ylide and its ...
A. E. Taishev   +3 more
openaire   +1 more source

Co-crystalization and in vitro biological characterization of 5-Aryl-4-(5-substituted-2-4-dihydroxyphenyl)-1,2,3-thiadiazole Hsp90 inhibitors [PDF]

open access: yes, 2012
A potential therapeutic strategy for targeting cancer that has gained much interest is the inhibition of the ATP binding and ATPase activity of the molecular chaperone Hsp90.
Chrisostomos Prodromou   +7 more
core   +6 more sources

Effect of building block transformation in covalent triazine‐based frameworks for enhanced CO2 uptake and metal‐free heterogeneous catalysis [PDF]

open access: yes, 2020
Invited for the cover of this issue is the group of Pascal Van Der Voort at the University of Ghent and colleagues at Technische Universitat Berlin. The image depicts the covalent triazine frameworks reported in the manuscript for the sorption of CO2 and
Jena, Himanshu   +5 more
core   +2 more sources

Design, Synthesis, and Antiproliferative Activity of Benzopyran-4-One-Isoxazole Hybrid Compounds

open access: yesMolecules, 2023
The biological significance of benzopyran-4-ones as cytotoxic agents against multi-drug resistant cancer cell lines and isoxazoles as anti-inflammatory agents in cellular assays prompted us to design and synthesize their hybrid compounds and explore ...
Shilpi Gupta   +5 more
doaj   +1 more source

Design, synthesis, and biological evaluation of phenyl-isoxazole-carboxamide derivatives as anticancer agents

open access: yesHeterocyclic Communications, 2021
The present study aimed to design and synthesize a series of phenyl-isoxazole-carboxamide derivatives and investigate their antitumor and antioxidant activities. The in vitro cytotoxic evaluation was conducted using the MTS assay against four cancer cell
Hawash Mohammed   +7 more
doaj   +1 more source

Methyl 4-amino-3-methoxyisoxazole-5-carboxylate

open access: yesIUCrData, 2023
The title compound, C6H8N2O4, a new derivative of isoxazole, has been synthesized and structurally characterized. The crystal structure shows the molecule to be almost planar (r.m.s.
Mohd Abdul Fatah Abdul Manan   +2 more
doaj   +1 more source

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