Results 21 to 30 of about 762 (252)

Sustainable production and spectroscopic study of novel heterocyclic compounds synthesized from Carbendazim via green chemistry [PDF]

open access: yes, 2023
In this research, a series of heterocyclic compounds with both five-membered and six-membered rings were synthesized. These compounds include oxadiazole, thiadiazol, thiazole, oxadiazine, thiadiazine, and triazine, among others.
Naif Murad Hassan, Adnan Othman Omar
core   +2 more sources

Synthesis of Bis (1,4-Disubstituted-1,2,3-triazoles) Starting from Diethyl Galactarate

open access: yesChemistry Proceedings, 2022
This communication reports the synthesis of a series of bis (1,4-disubstituted-1,2,3-triazoles) starting from the known (2,3,4,5) bis acetonide-protected diethyl galactarate (1).
Víctor Terraza   +2 more
doaj   +1 more source

Microwave-assisted Eco-Friendly Synthesis and Antimicrobial Evaluation of Aryl-Triazole-1,3,4-Thiadiazols [PDF]

open access: yes, 2017
Due to the growing awareness about environmental pollution and environmental legislation, recent years have witnessed a phenomenal increase in the application of microwave irradiation (MW) in organic synthesis.
Dwivedi, Smriti, Jaiswal, Shalini
core   +2 more sources

Evaluation Of Antioxidant Activity Of 1, 2, 4-Triazole Derivatives With Morpholine Moiety

open access: yesHacettepe University Journal of the Faculty of Pharmacy, 2022
The aim of the work was to study the antioxidant activity of 4-R-3- (morpholinomethyl)-4H-1,2,4-triazole-5-thioles and their alkyl derivatives in vitro using the method of non-enzymatic initiation of lipid peroxidation. Among the 45 compounds studied, 8 showed varying degrees of AOA.
SHCHERBYNA, Roman   +5 more
openaire   +2 more sources

Syntheses of 1, 2, 4 Triazole Derivatives and their Biological Activity [PDF]

open access: yesJournal of Chemistry, 2007
Cyclisation of [4‐(4‐oxo‐2‐phenyl‐4H‐quinazolin‐3‐yl)‐phenoxy]‐acetic acid‐N′‐(substituted phenyl)‐thiosemicarbazides with sodium metal in 99.0 % ethanol gave 3‐[4‐(4‐substituted phenyl‐5‐thioxo‐4,5‐dihydro‐1H‐1,2,4 triazol‐3‐ylmethoxy)‐ phenyl]‐2‐phenyl‐3H‐quinazolin‐4‐one .
Freddy H. Havaldar, Abhay R. Patil
openaire   +2 more sources

Novel Syntheses of Some 1, 2, 4‐Triazoles as Potent Bacteriocidal Agents [PDF]

open access: yesJournal of Chemistry, 2009
A facile syntheses of 4‐aryl‐5‐(isomeric pyridoyl)‐3H‐1, 2, 4‐triazoles as potent bacteriocidal agents are described. The newly synthesized compounds were characterized by spectral and elemental analyses. Some compounds were screened for their antibacterial activity against S. aureus, E. coli, B. subtilis and P.aeruginosa. All compounds carrying 1, 2,
Ram Janam Singh, Dharmendra Kumar Singh
openaire   +2 more sources

Ultrasound promoted green synthesis of benzofuran substituted thiazolo[3,2-b][1,2,4]triazoles

open access: yesGreen Processing and Synthesis, 2017
A highly efficient, eco-friendly and one-pot synthesis of benzofuran substituted thiazolo[3,2-b][1,2,4]triazoles was developed involving the reaction of 2-acetyl benzofurans and 5-mercapto-3-(4-chlorophenyl)-1,2,4triazole in the presence of molecular ...
Kumar Surender, Sharma Dinesh Kumar
doaj   +1 more source

Microwave assisted metal-free approach to access 1,2,3-triazoles through multicomponent synthesis

open access: yesCurrent Research in Green and Sustainable Chemistry, 2020
The work illustrates multicomponent reaction of aldehydes, nitroalkanes and sodium azide for the metal-free synthesis of N-unsubstituted-1,2,3-triazoles using anthranilic acid as an organocatalyst under microwave irradiation. This is the first ever green
Anirban Garg   +2 more
doaj   +1 more source

Design, synthesis, characterization and computational docking studies of novel sulfonamide derivatives [PDF]

open access: yes
This study reports three novel sulfonamide derivatives 4-Chloro-N-[(4-methylphenyl) sulphonyl]-N-propyl ben- zamide (1A), N-(2-hydroxyphenyl)-4-methyl benzene sulfonamide (1B) and 4-methyl-N-(2-nitrophenyl) ben- zene sulfonamide (1C).
Ashiq, Ayesha   +7 more
core   +1 more source

Syntheses, Characterization and Biological Activity of Some 1, 2, 4‐Triazole Derivatives [PDF]

open access: yesJournal of Chemistry, 2009
Syntheses of a series of 3‐alkyl‐4‐ amino‐5‐ cyanomethyl‐4H‐1, 2, 4‐triazoles with active methylene groups are described. The newly synthesized compounds were characterized by spectral and elemental analyses. Some compounds were screened for their antibacterial activity against S. aureus, E. coli, B. subtilis and P. aeruginosa.
R. J. Singh, D. K. Singh
openaire   +2 more sources

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