Results 11 to 20 of about 5,785 (211)

Synthesis and cytotoxic evaluation of some quinazolinone- 5-(4-chlorophenyl) 1, 3, 4-oxadiazole conjugates [PDF]

open access: yesResearch in Pharmaceutical Sciences, 2019
1, 3, 4- Oxadiazoles and quinazolinones are privileged structures with extensive biological activities. On account of reported anticancer activity of them, in this study, a multi-step reaction procedure has been developed for the synthesis of some ...
Farshid Hassanzadeh   +4 more
doaj   +2 more sources

Synthesis, cytotoxic evaluation, and molecular docking studies of some new 1, 3, 4-oxadiazole-based compounds [PDF]

open access: yesResearch in Pharmaceutical Sciences, 2020
Background and purpose: Oxadiazole-derived compounds have been shown to have a wide range of pharmacological activities. 2, 5-Disubstituted 1, 3, 4-oxadiazole derivatives have occupied a specific place in the design of anti-proliferative agents.
Farshid Hassanzadeh   +4 more
doaj   +2 more sources

Synthesis and Antimicrobial Screening of Some Novel 2, 5-Disubstituted 1, 3, 4-oxadiazole Derivatives [PDF]

open access: yesE-Journal of Chemistry, 2011
The syntheses of series of 2, 5-disubstituted 1, 3, 4-oxadiazole derivatives are described. A total of twelve new compounds were synthesized and characterized by IR, 1H-NMR and Mass spectral data.
P. Panneerselvam, G. Geete Ganesh
doaj   +2 more sources

Synthesis and Antimicrobial Screening of Some New Thiazole Substituted 1,3,4-Oxadiazole Derivatives

open access: yesChemistry Proceedings, 2021
In the present work, the synthesis and antimicrobial activity of new thiazole substituted 1,3,4-oxadiazole derivatives was achieved. The reaction of different thioamides with ethyl 4-chloro-3-oxobutanoate (4-chloro ethyl acetoacetate) provided ethyl 2-(2-
Siddhant V. Kokate, Sachin V. Patil
doaj   +1 more source

Syntheses, crystal structures and Hirshfeld surface analysis of 2-(benzylsulfanyl)-5-[4-(dimethylamino)phenyl]-1,3,4-oxadiazole and 2-[(2-chloro-6-fluorobenzyl)sulfanyl]-5-[4-(dimethylamino)phenyl]-1,3,4-oxadiazole

open access: yesActa Crystallographica Section E: Crystallographic Communications, 2023
The title compounds were synthesized by alkylation of 5-[(4-dimethylamino)phenyl]-1,3,4-oxadiazole-2-thiol with benzyl chloride or 2-chloro-6-fluorobenzyl chloride in the presence of potassium carbonate.
Rasul Ya. Okmanov   +4 more
doaj   +1 more source

Activity Profiling of Nitro-Substituted Di(Hetero)Aryl 1,3,4- and 1,2,4-Oxadiazoles: Antimicrobial, Cholinesterase Inhibition and Antioxidant Potential. [PDF]

open access: yesArch Pharm (Weinheim)
Novel nitro‐substituted diaryl 1,3,4‐ and 1,2,4‐oxadiazoles were synthesised via molecular hybridisation of bioactive heterocycles. Selected derivatives exhibited potent antimicrobial activity, including against Mycobacterium tuberculosis and Staphylococcus aureus, and cholinesterase inhibitory activity, with promising selectivity.
Šikorová E   +9 more
europepmc   +2 more sources

4,4′-Difluoro-[3,3′-bi(1,2,5-oxadiazole)] 2,2′-Dioxide

open access: yesMolbank, 2023
1,2,5-Oxadiazole oxides (furoxans) are well known nitric oxide donors; among them, 4-fluorofuroxans have recently been found to be important photoinduced nitric oxide donors. In this research, it was shown that the reaction of 4,4′-dinitro-[3,3′-bi(1,2,5-
Natalia V. Obruchnikova, Oleg A. Rakitin
doaj   +1 more source

N-Phenyl-N-{4-[5-(4-pyridyl)-1,3,4-oxadiazol-2-yl]phenyl}aniline

open access: yesActa Crystallographica Section E, 2008
The title compound, C25H18N4O, is a non-planar bipolar ligand containing triphenylamine and 1,3,4-oxadiazole units. In the molecule, the benzene ring, the 1,3,4-oxadiazole ring, and the pyridine ring are twisted slightly with respect to each other ...
Li-Ping Han, Bin Li, Jie Liu
doaj   +1 more source

Synthesis and assessment of the cytotoxic effect of some of 1,4-dihydropyridine derivatives which contain azole moiety [PDF]

open access: yesJournal of the Serbian Chemical Society, 2021
A number of 1,4-dihydropyridine derivatives (9a–d, 10a–d and 11a–d) were designed and synthesized by the reaction of 1,3,4-oxadiazole-5-thiones and 1,2,4-triazole-5-thiones to 2,6-dibromomethyl-3,5-diethoxycarbonyl-4-(3- -nitrophenyl)-1,4-dihydropyridine.
Ghoorbannejad Saeed   +2 more
doaj   +1 more source

Glycogen phosphorylase inhibitor N-(3,5-dimethyl-benzoyl)-N'-(β-Dglucopyranosyl) urea improves glucose tolerance under normoglycemic and diabetic conditions and rearranges hepatic metabolism [PDF]

open access: yes, 2013
Glycogen phosphorylase (GP) catalyzes the breakdown of glycogen and largely contributes to hepatic glucose production making GP inhibition an attractive target to modulate glucose levels in diabetes.
Bai, Péter   +10 more
core   +5 more sources

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