Results 21 to 30 of about 12,877,669 (294)

Synthesis and physicochemical properties 4-((R))amino)-5-methyl-4H-1,2,4-triazole-3-thiols

open access: yesФармацевтичний журнал, 2018
Purposeful synthesis of derivatives of 1,2,4-triazole is one of the most important branches of modern pharmaceutical science Modern pharmaceutical market of domestic medicines requires constant updates of existing range.
T. V. Kravchenko   +2 more
doaj   +1 more source

Synthesis Of 2-Benzamidomethyl-5-Substituted Amino-1,3,4-Thiadiazoles-2,5-Disubstituted 1,3,4-Oxadiazole and 4,5-Disubstituted 1,2,4-Triazole-3-Thiol [PDF]

open access: yesمجلة التربية والعلم, 2012
In this paper the synthesis of some substituted 1,3,4-oxadiazoles , 1,3,4-thiadiazoles and 1,2,4-triazoles starting from amino acid and benzoyl chloride is reported.
K. M. Daoud, A. N. Ali, A. A. Ahmed
doaj   +1 more source

Synthesis and antitumoral activity of novel biaryl hydroxy-triazole and fluorene-triazole hybrids [PDF]

open access: yesExploration of Drug Science
Aim: The development of selective and potent antitumor agents remains a significant challenge. This study aimed to synthesize and evaluate biaryl hydroxy-1,2,3-triazoles and 9H-fluorene-1,2,3-triazole hybrids, inspired by previously identified bioactive ...
David Chafi Zeitune   +6 more
doaj   +1 more source

Synthesis of 1,4-Disubstituted Mono and Bis-triazolocarbo-acyclonucleoside Analogues of 9-(4-Hydroxybutyl)guanine by Cu(I)-Catalyzed Click Azide-Alkyne Cycloaddition [PDF]

open access: yes, 2011
A series of novel mono-1,2,3-triazole and bis-1,2,3-triazole acyclonucleoside analogues of 9-(4-hydroxybutyl)guanine was prepared via copper(I)-catalyzed 1,3-dipolar cycloaddition of N-9 propargylpurine, N-1-propargylpyrimidines/as-triazine with the ...
Krim, Jamal   +5 more
core   +1 more source

N-Acyl-1,2,3-triazoles - key intermediates in denitrogenative transformations [PDF]

open access: yes, 2023
Direct N-acylation of 1,2,3-NH-triazoles aimed at obtaining elusive N-acyl-1,2,3-triazoles was investigated. A preference for the formation of thermodynamically favoured N2 isomers was established and an influence of the hard/soft character of the ...
Vladimir, Motornov   +3 more
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

Design, synthesis, characterization and antimicrobial evaluation of amide tagged 1,4-disubstituted 1,2,3-triazoles

open access: yes, 2023
A series of amide tagged 1,4-disubstituted 1,2,3-triazole has been designed and synthesized in good yield through Cu (I) catalyzed click chemistry strategy.
C. P. Kaushik (7494545)   +3 more
core   +1 more source

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

Synthesis, characterization and antibacterial activity of the thioether linked 1,2,3-triazoles

open access: yes, 2021
A green synthetic approach for the expedite construction of thirty six thioether linked 1,2,3-triazoles was carried out using Cellulose supported CuI nanoparticles in water.
Jyoti Sangwan (7494548)   +1 more
core   +1 more source

p-Toluenesulfonic acid-promoted autocatalytic hydrolyzation of 1-tosyl-1,2,3-triazoles

open access: yes, 2018
The first example of autocatalytic hydrolyzation of 4-aryl-1-tosyl-1,2,3-triazoles induced by p-toluenesulfonic acid was reported, providing an effective and metal-free synthetic approach to deliver a broad range of new 4-aryl-2H-1,2,3-triazoles in good ...
Dongdong Zhang (644246)   +7 more
core   +1 more source

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