Results 81 to 90 of about 51,319 (173)

Annealing 1,2,4-Triazine to Iridium(III) Complexes Induces Luminogenic Behaviour in Bioorthogonal Reactions with Stain Alkynes. [PDF]

Phenanthroline-type ligand containing annealed 1,2,4-triazine ring was used to prepare novel Ir(III) complexes 3 and 4. The complexes are non-luminescent but show luminogenic behaviour following inverse electron demand Diels-Alder (IEDDA) reaction with ...
Marie, Joly, Hannah, Walden, Antony, Antoniou, Pierre-Henri, Lanoë, Katie, Gristwood, Timothé, Antoine-Brunet, Valery, Kozhevnikov, Lydia , Cooke, Michael, Deary, David, Goyard, Kate, Adamson, Nathalie, Berthet, Dawn, Bruce, Mark, Sims, James, Knight   +14 more
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Positional Methyl Effects in Benzo[e][1,2,4]triazines—Synthesis and Crystal Structure Analysis of 5-Methyl-3-phenylbenzo[e][1,2,4]triazine and Its Precursor, N′-(3-Methyl-2-nitrophenyl)benzohydrazide

Crystals
We report the synthesis, spectroscopic characterization, and single-crystal X-ray structures of 5-methyl-3-phenylbenzo[e][1,2,4]triazine (I) and its precursor N′-(3-methyl-2-nitrophenyl)benzohydrazide (IV).
Christos P. Constantinides, Jin-Seok Yi, Haidar Dakdouk, Simona Marincean   +3 more
doaj   +1 more source

Preparation and antitumor effects of 4-amino-1,2,4-triazole Schiff base derivative

Journal of International Medical Research, 2020
Objectives The purpose of this paper was to synthesize 4-amino-1,2,4-triazole Schiff base derivative and to evaluate its antitumor activity. Methods 2,4,6-Tris (4-formylphenoxy)-1,3,5-triazine was synthesized by nucleophilic substitution with reaction of
Guo-wei Jiang, Qing Chang, Dong-yu Liang, Yu-ting Zhang, Yong-jun Meng, Qing-qing Yi   +5 more
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Synthesis of 3-allylthio-5-оxo-1,2,4-triazine-6-carboxylic and 2-allyl-5-аmino-1,2,4-triazine-6-carboxylic acids

, 2013
Рыбакова Анастасия Владимировна – преподаватель, соискатель кафедры органической химии, химический факультет, Южно-Уральский государственный университет. 454080, г. Челябинск, пр. им. В.И. Ленина, 76. E-mail: zhurav666@rambler.ru Ким Дмитрий Гымнанович –
Slepukhin, P. A., Рыбакова, А. В., Rybakova, A. V., Слепухин, П. А., Чарушин, В. Н., Ким, Д. Г., Kim, D. G., Charushin, V. N.   +7 more
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1,2,4-Triazine-Accelerated Azide-Alkyne Cycloaddition and Synthesis of Metalloenzyme Inhibitors [PDF]

, 2013
The work of this dissertation describes the design and synthesis of 1,2,4-triazine ligands and other N-containing heterocycles and their use in the copper-catalyzed azide-alkyne cycloaddition (CuAAC).
Lady, Belinda Shea
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1,2,4-Triazine N-oxide derivatives: Studies as potential hypoxic cytotoxins. Part III

, 2004
New 5-(2-arylethenyl)-1,2,4-triazine N-oxide and N,N'-dioxide derivatives were synthesized in order to obtain compounds as selective hypoxic cell cytotoxins.
Antonio Monge, Monge, A., Mercedes González, Saenz Mendez, Patricia,, Olea Azar, Claudio, Saenza, P., Saenz, P., Risso, Mariela, Amaia Azqueta, Azqueta, Amaia, Olea-Azar, Claudio,, Ana M. Bruno, Cerecetto, Hugo, González, M., Bruno, Ana M,, Claudio Olea‐Azar, De Ceráin, Adela López,, González, Mercedes,, Cerecetto, Hugo,, Monge, Antonio,, Bruno, A. M., De Cerain, A. L., Patricia Saenz, Adela López de Ceráin, Azqueta, Amaia,, Hugo Cerecetto, Mariela Risso, Risso, Mariela,   +27 more
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Heteroaromatization with 4-Hydroxycoumarin Part II: Synthesis of Some New Pyrano[2,3-d]pyrimidines, [1,2,4]triazolo[1,5-c]pyrimidines and Pyrimido[1,6-b]-[1,2,4]triazine Derivatives

Molecules, 2001
A variety of novel [1,2,4]triazolo[1,5-c]pyrimidine-13-ones (4a-f) and (5b-d) could be obtained via reaction of 9-amino-7-(4’-chlorophenyl)-8,9-dihydro-8-imino-6H,7H-[1]benzopyrano[3`,4`:5,6]pyrano[2,3-d]pyrimidine-6-one (3) with a variety of ...
A. H. Bedair, A. H. Fakery, N. A. El-Hady, M. S. Abd El-Latif, A. M. El-Agrody   +4 more
doaj   +1 more source

Homogeneous and Heterogeneous Approaches to 1,2,4-Triazine-Accelerated Copper-Catalyzed Azide-Alkyne Cycloadditions [PDF]

, 2011
Over the last decade, the domain of click chemistry has grown exponentially and has significantly impacted the fields of organic synthesis, medicinal chemistry, molecular biology, and materials science. The ideal model of a click reaction has become the
Prince, Ashleigh Lauren
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SYNTHETIC STUDIES IN THE 6H-[1,2,4] TRIAZINO [3,4-b] [ 1,3,4] THIADIAZINES [PDF]

Journal of Sciences, Islamic Republic of Iran, 1996
4-Amino-6-methyl- 1,2,4-triazine-3(2H)-thione-5-0ne (1) was condensed with propargyl bromidein the presence of sodium rnethoxide to afford 3-propargylmercapto- 4-arnino-6-rnethyl-1,2,4-triazin-5-one(2) .
doaj  

Synthesis and structure elucidation of novel fused 1,2,4-triazine derivatives as potent inhibitors targeting CYP1A1 activity

, 2012
Synthesis and structure elucidation of new series of novel fused 1,2,4-triazine derivatives 3a-3f, 4a-4i and 6a-6b and their inhibitory activities are presented.
Asal, A. M.,, Helmy, M., Langer, Vratislav,, El Massry, A. M., Langer, Vratislav, Amer, Adel, El Massry, Abdel Moneim, El Massry, Abdel Moneim,, Khattab, Serine N., Khattab, S. N., Asal, A. M., Amer, A., Haiba, N. S., Awney, H. A., Amer, Adel,, Awney, H. A.,, Haiba, N. S.,, Khattab, Serine N.,, Helmy, M.,   +18 more
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