Results 1 to 10 of about 50,236 (242)

4-Sulfanyl-1,2,3-triazole as a Powerful Ligand in CuAAC to Synthesize 1,4-Substituted 1,2,3-Triazoles Under Solvent-Free and Low Catalyst Loading [PDF]

Molecules
4-Sulfanyl-1,2,3-triazole (L1) accelerated the solvent-free CuAAC efficiently with low catalyst loading (0.1 mol% for common azides and 1 mol% for sulfonyl azides). L1 exhibited higher catalytic activity compared to 1,4-substituted 1,2,3-triazole without
Jie Shen, Jinwei Li, Shitang Xu, Ting Wang, Zhiling Zou, Hui Li, Lifen Peng, Zilong Tang, Xinhua Xu   +8 more
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Combination of 1,2,3-triazole and 1,2,4-triazole frameworks for new high-energy and low-sensitivity compounds

Energetic Materials Frontiers, 2021
s: In this study, a series of energetic compounds based on C–C linked 1,2,3-triazole and 1,2,4-triazole were synthesized and characterized, i.e., 5-(5-nitro-2H-1,2,3-triazole-4-yl)-4H-1,2,4-triazole-3,4-diamine (compound 1), N-(3-amino-5-(5-nitro-2H-1,2 ...
Wenjing Yao, Yubing Xue, Lei Qian, Hongwei Yang, Guangbin Cheng   +4 more
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Enantiomer stability of atropisomeric 1,5-disubstituted 1,2,3-triazoles

Tetrahedron Chem, 2022
The synthesis and characterisation of axially chiral atropisomeric 1,5-disubstituted 1,2,3-triazoles is reported. Molecules designed to display restricted rotation about 1,2,3-triazole N-1-aryl or 1,2,3-triazole C-5-aryl bonds were investigated by ...
Fernanda Meloni, William D.G. Brittain, Louise Male, Cécile S. Le Duff, Benjamin R. Buckley, Andrew G. Leach, John S. Fossey   +6 more
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Synthesis and Ring-Chain Tautomerism of 1-(4-Ethoxyphenyl)-5-formyl-1H-1,2,3-triazole-4-carboxylic Acid: The First Representative of a 5-Formyl-1H-1,2,3-triazole-4-carboxylic Acids Series

Molbank, 2022
Synthesis of the first representative of a 5-formyl-1H-1,2,3-triazole-4-carboxylic acids series – 1-(4-ethoxyphenyl)-5-formyl-1H-1,2,3-triazole-4-carboxylic acid was performed.
Nazariy T. Pokhodylo, Mykola D. Obushak
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1,2,3-Triazole-4(5)-amines – Convenient Synthetic Blocks for the Construction of Triazolo-Annulated Heterocycles

Журнал органічної та фармацевтичної хімії, 2022
Aim. To analyze and summarize the synthetic potential of 1,2,3-triazole-4(5)-amines as efficient building blocks in the synthesis of triazolo-annulated pyridine, azine and azepine systems. Results and discussion.
Natalia O. Syrota, Sergiy V. Kemskiy, Lesya M. Saliyeva, Mykhailo V. Vovk   +3 more
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5-Formyltriazoles as Valuable Starting Materials for Unsymmetrically Substituted Bi-1,2,3-Triazoles

Frontiers in Chemistry, 2020
Herein, we present the first synthetic methodologies toward non-symmetrical 5,5′-C, C-linked bi-1,2,3-triazoles starting from 5-formyl-1,2,3-triazole via two related pathways.
Robby Vroemans, Tomas Horsten, Maarten Van Espen, Wim Dehaen   +3 more
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1-(4-Nitrophenyl)-1H-1,2,3-Triazole-4-carbaldehyde: Scalable Synthesis and Its Use in the Preparation of 1-Alkyl-4-Formyl-1,2,3-triazoles

Organics, 2021
1,2,3-Triazole-4-carbaldehydes are useful synthetic intermediates which may play an important role in the discovery of novel applications of the 1,2,3-triazole moiety.
Tomas Opsomer, Kaat Valkeneers, Ana Ratković, Wim Dehaen   +3 more
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Reaction of 4-acetyl-1,2,3-triazol-5-olate with hydrazine derivatives

Chimica Techno Acta, 2015
1,2,3-triazole attracts attention because of the ability opening ring to form α-diazoimin and intramolecular rearrangements with the formation of various heterocyclic systems.
I. S. Khazhieva, T. V. Glukhareva, Yu. Yu. Morzherin   +2 more
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Regioselective synthesis of heterocyclic N-sulfonyl amidines from heteroaromatic thioamides and sulfonyl azides

Beilstein Journal of Organic Chemistry, 2020
N-Sulfonyl amidines bearing 1,2,3-triazole, isoxazole, thiazole and pyridine substituents were successfully prepared for the first time by reactions of primary, secondary and tertiary heterocyclic thioamides with alkyl- and arylsulfonyl azides.
Vladimir Ilkin, Vera Berseneva, Tetyana Beryozkina, Tatiana Glukhareva, Lidia Dianova, Wim Dehaen, Eugenia Seliverstova, Vasiliy Bakulev   +7 more
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One-Pot Synthesis of Tetrazole–Triazole Bis-Heterocycles via Ugi–Azide Reaction

Chemistry Proceedings, 2023
Bioisosteres of amide bonds such as 4,5-disubstituted-1,2,3-triazoles (4,5-DS-1,2,3-Ts) and 1,5-disubstituted tetrazoles (1,5-DST) are present in compounds with important biological activities like those that are antineoplastic, antibacterial, antifungal,
Fidel Rodriguez-Lopez, Carlos Zárate-Hernández, Manuel A. Rentería-Gómez, Rocío Gámez-Montaño   +3 more
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