Results 191 to 200 of about 43,142 (242)

Synthesis and Characterization of Azido-Functionalized 1,2,3-Triazole and Fused 1,2,3-Triazole

The Journal of Organic Chemistry, 2023
Here, we report the nitration of NH on the 1,2,3-triazole ring and the synthesis of several nitrogen-rich energetic compounds based on key intermediate 4-azido-5-(chlorodinitromethyl)-2-nitro-2H-1,2,3-triazole (5). Starting from 4-amino-1H-1,2,3-triazole-5-carbonitrile (1), we successfully constructed compound 5 through four steps.
Yupeng Cao, Haifeng Huang, Limin Wang, Xiangyang Lin, Jun Yang   +4 more
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Synthesis of 1,2,3‐Triazoles.

ChemInform, 2004
AbstractFor Abstract see ChemInform Abstract in Full Text.
Dolly Dolly, Belen Batanero, Fructuoso Barba   +2 more
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Mesoionic 1,2,3-Triazoles and 1,2,3-Triazole Carbenes

2014
Routine access to 1,2,3-triazoles through the copper-catalyzed azide-alkyne “click” cycloaddition reaction has promoted the rapid development of 1,2,3-triazolylidenes as ligands for transition metals. The organometallic complexes containing this kind of N-heterocyclic carbene ligands (NHCs) have shown to possess unique structural characteristics ...
Jesus M. Aizpurua, Maialen Sagartzazu-Aizpurua, Zaira Monasterio   +2 more
openaire   +1 more source

Benzylated 1,2,3-triazoles as anticoccidiostats

Journal of Medicinal Chemistry, 1991
Substituted 5-amino-4-carbamoyl-1,2,3-triazoles 3a-w were prepared by two synthetic schemes and evaluated in vivo for anticoccidial activity. Both schemes proceeded by brominating appropriately substituted toluenes 4a-s,v to 5a-s,v. In Scheme I, the brominated benzyl analogues 5 were converted to the corresponding benzyl azides 6, which were treated ...
R J, Bochis, J C, Chabala, E, Harris, L H, Peterson, L, Barash, T, Beattie, J E, Brown, D W, Graham, F S, Waksmunski, M, Tischler   +9 more
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1,2,3-Triazoles

1974
Publisher Summary This chapter focuses on the chemistry of monocyclic1,2,3-triazoles as much of the chemistry of benzotriazoles and other fused systems has little in common with monocyclic triazole chemistry and provides a broad survey of methods of synthesis and reactions of triazoles. There has been considerable interest in 1,2,3-triazoles as light
T.L. Gilchrist, G.E. Gymer
openaire   +1 more source

1,2,3‐Triazoles

ChemInform, 2005
AbstractFor Abstract see ChemInform Abstract in Full Text.
openaire   +1 more source

1,2,3-Triazoles. Part II. 4-Amino-5-aminomethyl-1,2,3-triazoles

Journal of the Chemical Society, Perkin Transactions 1, 1973
4-Amino-1-(and 2-)methyl-1,2,3-triazole-5-carbonitrile were made by acidic hydrolysis of 4-dimethylaminomethyleneamino-1-(and 2-)methyl-1,2,3-triazole-5-carbonitrile. These amino-nitriles, and also their known 3-methyl- and 3-benzyl-analogues, were hydrogenated to 4-amino-5-aminomethyl-1-methyl-1,2,3-triazole (1a) and its 2- and 3-methyl- and 3-benzyl ...
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Fluorinated 1,2,3‐Triazoles: Terra Incognita in 1,2,3‐Triazoles Chemistry

ChemistrySelect
Abstract This review is devoted to the synthesis and application of fluoro‐substituted 1,2,3‐triazoles. The analysis of the available studies of fluorinated triazoles indicates exceptional value properties especially for biomedical research, despite the significant limitations of synthetic methods of their preparation.
Nazariy Pokhodylo, Kostiantyn Levchenko, Mykola Obushak   +2 more
openaire   +1 more source

Synthesis of 1,2,3‐Triazole Analogues of Lincomycin

Helvetica Chimica Acta, 2008
AbstractIn search for new antibiotics we replaced the amide moiety of lincomycin 1 by a 1,2,3‐triazole ring. The 1,2,3‐triazoles 10a–10k were obtained as single regioisomers by ‘click reaction’ of azide 5 with the alkyne 9k, derived from propyl hygric acid, and the alkyl, aryl, or cycloalkyl alkynes ribosomes 9a–9j.
Collin, M P, Hobbie, S N, Böttger, E C, Vasella, A   +3 more
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1,2,3-Triazoles: Gas Phase Properties

The Journal of Organic Chemistry, 2013
1,2,3-Triazoles have come to the forefront as compounds of import in a vast number of applications. The fundamental properties of these species, however, remain largely unknown. Herein, the gas phase properties of 4-phenyl-1,2,3-triazole, benzotriazole, and a series of 1-phenylbenzotriazoles are described.
Kai, Wang, Mu, Chen, Qiaoyi, Wang, Xiaodong, Shi, Jeehiun K, Lee   +4 more
openaire   +2 more sources