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Syntheses, Evaluation and Characterization of Some 1, 3, 4-Oxadiazoles as Antimicrobial Agents [PDF]

open access: yesE-Journal of Chemistry, 2009
1,3,4-Oxadiazoles show various biological activities and have been synthesized from different compounds. 1,3,4-oxadiazole is popularly known for its antimicrobial, anti-inflammatory, pesticidal and antihypertensive activities etc.
Niti Bhardwaj   +3 more
doaj   +2 more sources

SYNTHESIS OF MONO-SUBSTITUTED AND SIMMETRICALLY 2, 5-DISUBSTITUTED 1, 3, 4-OXADIAZOLES [PDF]

open access: yesChemistry Journal of Moldova: General, Industrial and Ecological Chemistry, 2012
In recent years 1,3,4-oxadiazoles have received considerable attention due to their wide range of biological activities and practical importance. They form an important class of fi ve-member heterocyclic compounds with a variety of derivatives.
Z. Ribcovskaia, F. Macaev
doaj   +2 more sources

Molecular Structure, Matrix-Isolation IR Spectrum and UV-Induced Transformations of 2-Amino-5-(4-Methoxyphenyl)-1,3,4-Oxadiazole [PDF]

open access: yesMolecules
The photochemistry of 1,3,4-oxadiazoles remains poorly understood, despite their recognized importance in medicinal chemistry and materials science. In this work, we report a detailed matrix-isolation study of 2-amino-5-(4-methoxyphenyl)-1,3,4-oxadiazole,
İsa Sıdır   +3 more
doaj   +2 more sources

Synthesis and Characterization of Novel 2-Alkyl-1,3,4-Oxadiazoles Containing a Phenylazo Group [PDF]

open access: yesMolecules
An efficient method for the synthesis of novel phenylazo-containing moieties is described. The derivatives of 5-(4-(phenyldiazenyl)phenyl)-1,3,4-oxadiazole, substituted at position 2 of the heterocyclic scaffold with alkyl groups of different chain ...
Sebastian Górecki, Agnieszka Kudelko
doaj   +2 more sources

Synthesis of Some Substituted 1,3,4-Oxadiazoles from Hydrazones [PDF]

open access: yesمجلة التربية والعلم, 2009
In this paper the synthesis of some 2-(3-pyridyl)-5-aryl-1,3,4-oxadiazoles from hydrazones is reported. Nicotinic acid was converted to ethyl nicotinate (1) by its reaction with thionyl chloride and the resultant acid chloride was treated with absolute ...
Khalid Daoud, A. Ahmad, Amal Ali
doaj   +1 more source

2D-QSAR study of synthesized novel derivatives of 1,3,4- Oxadiazoles as anti-inflammatory activity

open access: yesBLDE University Journal of Health Sciences, 2020
Oxadiazole is a five-membered heterocyclic compound containing oxygen and two nitrogen atoms at C-1, C-3 and C-4 positions respectively. These derivatives are synthesized by both conventional as well as microwave-assisted.
M Somashekhar, R B Kotnal
doaj   +1 more source

Synthesis of some substituted 1,3,4-oxadiazoles, thiadiazoles and 1,2,4-triazoles [PDF]

open access: yesمجلة التربية والعلم, 2009
In this paper the synthesis of some substituted 1,3,4-oxadiazoles, 1,3,4-thiadiazoles and 1,2,4-triazoles is reported. Ethyl methacrylate was treated with hydrazine hydrate in ethanol to give the corresponding hydrazide (1).
Shereen R. Mohamed
doaj   +1 more source

Synthesis of some substituted 1,3,4-oxadiazoles, 1,3,4-thiadiazoles and 1,2,4-triazoles from 2-(2,3-dimethylphenyl amino) benzoic acid [PDF]

open access: yesمجلة التربية والعلم, 2009
In this paper the synthesis of some substituted 1,3,4-oxadiazoles, 1,3,4-thiadiazoles and 1,2,4-triazoles was achieved. 2-(2,3-dimethyl phenyl amino) benzoic acid was esterified to its ethyl ester by its reaction with absolute ethanol in presence of ...
Khalid Daoud   +2 more
doaj   +1 more source

5-Aryl-1,3,4-oxadiazol-2-amines Decorated with Long Alkyl and Their Analogues: Synthesis, Acetyl- and Butyrylcholinesterase Inhibition and Docking Study

open access: yesPharmaceuticals, 2022
2,5-Disubstituted 1,3,4-oxadiazoles are privileged versatile scaffolds in medicinal chemistry that have exhibited diverse biological activities. Acetyl- (AChE) and butyrylcholinesterase (BChE) inhibitors are used, e.g., to treat dementias and myasthenia ...
Václav Pflégr   +5 more
doaj   +1 more source

Synthesis and Biological evalution of some substituted 2-dibenzyl amino 1,3,4-oxadiazoles , thiadiazoles and 1,2,4-triazoles [PDF]

open access: yesمجلة التربية والعلم, 2013
In this paper the synthesis of some substituted 2-dibenzyl 1,3,4-oxadiazole, thiadiazole and 1,2,4-triazoles derived from dibenzyl amine is reported scheme-1.
Khalid Daoud, Shaima Ismmaeel
doaj   +1 more source

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