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

open access: diamondChemistry 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   +4 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: goldMolecules
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   +3 more sources

Synthesis of N-[{5-Aryl-1,3,4-oxadiazole-2-yl}methyl]-4-methoxyaniline Derivatives and Their Anticonvulsant Activity [PDF]

open access: goldJournal of Chemistry, 2013
A series of some new 2,5-disubstituted-1,3,4-oxadiazoles 4(a–i) have been conveniently synthesized by intramolecular oxidative cyclization of (E)-2-(arylbenzylidene)-2-[(4-methoxyphenyl)amino]acetohydrazides promoted by iodobenzene diacetate as an ...
B. N. Prasanna Kumar   +2 more
doaj   +2 more sources

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 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

Inhibition of Acetylcholinesterase with Novel 1, 3, 4, Oxadiazole Derivatives: A Kinetic, In Silico, and In Vitro Approach

open access: goldACS Omega, 2023
Alzheimer's disease (AD) is a neurological disease that disturbs the memory, thinking skills, and behavior of the affected person. AD is a complex disease caused by the breakdown of acetylcholine via acetylcholinesterase (AChE). The present study aimed to assess the synthetic inhibitors of AChE that could be used to treat AD.
Farida Begum   +11 more
openalex   +4 more sources

Tandem diazotization/cyclization approach for the synthesis of a fused 1,2,3-triazinone-furazan/furoxan heterocyclic system [PDF]

open access: yesBeilstein Journal of Organic Chemistry
A straightforward protocol for the synthesis of a previously unknown [1,2,5]oxadiazolo[3,4-d][1,2,3]triazin-7(6H)-one heterocyclic system was developed. The described approach is based on tandem diazotization/azo coupling reactions of (1,2,5-oxadiazolyl ...
Yuri A. Sidunets   +2 more
doaj   +2 more sources

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

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   +5 more sources

3-(3-Azabicyclo[2, 2, 1]heptan-2-yl)-1,2,4-oxadiazoles as Novel Potent DPP-4 Inhibitors to Treat T2DM. [PDF]

open access: goldPharmaceuticals (Basel)
Zinevich TV   +7 more
europepmc   +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

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