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Comparative Study of the Synthetic Approaches and Biological Activities of the Bioisosteres of 1,3,4-Oxadiazoles and 1,3,4-Thiadiazoles over the Past Decade [PDF]

open access: yesMolecules, 2022
The bioisosteres of 1,3,4-oxadiazoles and 1,3,4-thiadiazoles are well-known pharmacophores for many medicinally important drugs. Throughout the past 10 years, 1,3,4-oxa-/thiadiazole nuclei have been very attractive to researchers for drug design ...
Rana M. El-Masry   +3 more
doaj   +3 more sources

In Silico Development of Novel Benzofuran-1,3,4-Oxadiazoles as Lead Inhibitors of M. tuberculosis Polyketide Synthase 13 [PDF]

open access: yesPharmaceuticals, 2023
Benzofuran and 1,3,4-oxadiazole are privileged and versatile heterocyclic pharmacophores which display a broad spectrum of biological and pharmacological therapeutic potential against a wide variety of diseases.
Ali Irfan   +10 more
doaj   +3 more sources

A One-Pot Synthesis-Functionalization Strategy for Streamlined Access to 2,5-Disubstituted 1,3,4-Oxadiazoles from Carboxylic Acids. [PDF]

open access: yesJ Org Chem, 2022
A one-pot 1,3,4-oxadiazole synthesis-arylation strategy for accessing 2,5-disubstituted 1,3,4-oxadiazoles, from carboxylic acids, N-isocyaniminotriphenylphosphorane (NIITP), and aryl iodides, is reported.
Matheau-Raven D, Dixon DJ.
europepmc   +4 more sources

Synthesis of 2,5-Dialkyl-1,3,4-oxadiazoles Bearing Carboxymethylamino Groups [PDF]

open access: yesMolecules, 2022
A series of new symmetrical 2,5-dialkyl-1,3,4-oxadiazoles containing substituted alkyl groups at the terminal positions with substituents, such as bromine, isopropyloxycarbonylmethylamino, and carboxymethylamino, were successfully synthesized.
Marcin Łuczyński   +2 more
doaj   +2 more sources

1,3,4-Oxadiazoles by Ugi-Tetrazole and Huisgen Reaction. [PDF]

open access: yesOrg Lett, 2019
Easy to perform, functional group tolerant, and short syntheses of the privileged scaffold oxadiazole are highly desired. Here, a metal-free protocol for MCR-based synthesis of 2,5-disubstituted 1,3,4-oxadiazoles via a Ugi-tetrazole/Huisgen sequence was developed.
Wang Q   +4 more
europepmc   +6 more sources

Synthesis and characterization of 5-aryl-1,3,4-oxadiazole-2(3h)thione derivatives [PDF]

open access: yesJournal of Applied Pharmaceutical Research, 2020
1,3,4-oxadiazoles represent a class of heterocyclic five membered compounds it contain two nitrogen and one oxygen of great importance in Pharmaceutical chemistry. This nucleus show four isomeric forms 1,2,4-oxadiazole,1,3,4-oxadiazole, 1,2,5-oxadiazole,
Shailesh Pathak   +3 more
doaj   +4 more sources

One-Step Construction of 1,3,4-Oxadiazoles with Anticancer Activity from Tertiary Amines via a Sequential Copper(I)-Catalyzed Oxidative Ugi/aza-Wittig Reaction [PDF]

open access: yesMolecules
An unparalleled copper(I)-catalyzed synthesis of 1,3,4-oxadiazoles from tertiary amines in one step has been described. The one-pot reactions involving (N-isocyanimine)triphenylphosphorane, tertiary amines, and carboxylic acids resulted in the formation ...
Mei Sun   +10 more
doaj   +2 more sources

A Useful Synthesis of 2-Acylamino-1,3,4-oxadiazoles from Acylthiosemicarbazides Using Potassium Iodate and the Discovery of New Antibacterial Compounds [PDF]

open access: yesMolecules, 2019
A useful method for the synthesis of 2-acylamino-1,3,4-oxadiazoles was developed. By using potassium iodate as an oxidant in water at 60 °C, a wide range of 2-acylamino-1,3,4-oxadiazoles were afforded in moderate to excellent yields within two hours.
Tianlei Li   +4 more
doaj   +2 more sources

A Graphene Acid - TiO2 Nanohybrid as Multifunctional Heterogeneous Photocatalyst for the Synthesis of 1,3,4-Oxadiazoles. [PDF]

open access: yesACS Appl Mater Interfaces, 2022
The immobilization of TiO2 nanoparticles on graphene acid (GA), a conductive graphene derivative densely functionalized with COOH groups, is presented.
Sciarretta M   +5 more
europepmc   +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

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