Results 21 to 30 of about 51,319 (173)

SYNTHESIS, AND BIOLOGICAL EVALUATION OF NEWLY SUNTHESIZED TRIAZOLOTRIAZINES AND TRIAZOLOTRAIZINES DERIVATIVES [PDF]

مجلة جامعة الانبار للعلوم الصرفة, 2018
Novel 8-(4-fluorophenyl)-6,6-diphenyl-3-(pyrimidin-4-yl) -5,6,7,8-tetrahydro-6l5-[1,2,4]triazolo [4,3-a][1,3,5]diazaphosphinin-6-ol(5),8-(4-fluorophenyl)-6-phenyl-3-(pyrimidin-4-yl)-7,8-dihydro [1,2,4]triazolo [4,3-b][1,2,4]triazine (6), 8-(4 ...
Hameed M. Mohammed
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2-(5,6-Diphenyl-1,2,4-Triazin-3-yl)pyridinium Dichloroiodate (I)

Molbank, 2023
2-(5,6-diphenyl-1,2,4-triazin-3-yl)pyridinium dichloroiodate (I) (1) was synthesized by reacting 3-(2-pyridyl)-5,6-diphenyl-1,2,4-triazine with ICl in dichloromethane solution.
M. Carla Aragoni, Vito Lippolis, Annalisa Mancini, Anna Pintus, Enrico Podda, James B. Orton, Simon J. Coles, Massimiliano Arca   +7 more
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Hydrophilic Sulfonated Bis-1,2,4-Triazine Ligands Are Highly Effective Reagents for Separating Actinides(III) from Lanthanides(III) via Selective Formation of Aqueous Actinide Complexes [PDF]

, 2015
We report the first examples of hydrophilic 6,6’-bis(1,2,4-triazin-3-yl)-2,2’-bipyridine (BTBP) and 2,9-bis(1,2,4-triazin-3-yl)-1,10-phenanthroline (BTPhen) ligands, and their applications as actinide(III) selective aqueous complexing agents.
Harwood, Laurence, Lewis, Frank W., Geist, Andreas, Distler, Petr, Kozhevnikov, Valery, Kozhevnikov, Valery N., Lewis, Frank, Hudson, Michael, Harwood, Laurence M., John, Jan, Hudson, Michael J.   +10 more
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1,2,4-Triazine Chemistry Part II: Synthetic approaches for phosphorus containing 1,2,4-triazine derivatives [PDF]

, 2010
This review represents the methods developed for the synthesis of phosphorus containing 1,2,4-triazine moieties. These methods depends on the phosphorylation of side functional groups of 1,2,4-triazines and cyclization of side functional groups of 1,2,4 ...
Reda Mohammady Abdel-Rahman, Abdel-Rahman, Reda Mohammady, Ali, Tarik El-Sayed, Magdy Ahmed Ibrahim, Tarik El-Sayed Ali, Ibrahim, Magdy Ahmed   +5 more
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2-(3-Chloro-5,6-diphenyl-2,5-dihydro-1,2,4-triazin-5-yl)-2-methylpropanenitrile

Acta Crystallographica Section E, 2012
The title compound, C19H17ClN4, was obtained from the reaction of 3-chloro-5,6-diphenyl-1,2,4-triazine with isobutyronitrile in the presence of lithium diisopropylamide as an unexpected product of covalent addition of isobutyronitrile carbanion to the C ...
Ewa Wolińska, Zbigniew Karczmarzyk, Andrzej Rykowski, Zofia Urbańczyk-Lipkowska, Przemysław Kalicki   +4 more
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An effective one-pot access to polynuclear dispiroheterocyclic structures comprising pyrrolidinyloxindole and imidazothiazolotriazine moieties via a 1,3-dipolar cycloaddition strategy

Beilstein Journal of Organic Chemistry, 2016
An effective and highly regio- and diastereoselective one-pot method for the synthesis of new polynuclear dispiroheterocyclic systems with five stereogenic centers (dispiro[imidazo[4,5-e]thiazolo[3,2-b]-1,2,4-triazine-6,3′-pyrrolidine-2′,3′′-indoles ...
Alexei N. Izmest’ev, Galina A. Gazieva, Natalya V. Sigay, Sergei A. Serkov, Valentina A. Karnoukhova, Vadim V. Kachala, Alexander S. Shashkov, Igor E. Zanin, Angelina N. Kravchenko, Nina N. Makhova   +9 more
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Reactions of 3-amino-1,2,4-triazine with coupling reagents and electrophiles

Heterocyclic Communications, 2022
Analogs of a new heterocyclic system were obtained from the reactions of 3-amino-1,2,4-triazine with coupling reagents such as boronic acids, and terminal alkynes in the presence of a palladium catalyst.
Bvumbi Mpelegeng Victoria, Nemudzivhadi Anza Imanuel, Sengane Musiiwa Victoria, Moleele Simon Mnyakeni   +3 more
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The Reaction of 1,6-Diamino-4-aryl-2-oxo-1,2-dihydropyridine- 3,5-Dicarbonitriles with Certain Electrophilic Agents

Chemistry Proceedings, 2023
The reaction of 1,6-diamino-2-oxo-1,2-dihydropyridine-3,5-dicarbonitriles, which are easily available through the reaction of cyanoacetohydrazide with arylmethylene malononitriles, with ninhydrin leads to the formation of novel dihydroindeno[1,2-e]pyrido[
Alexei A. Dolganov, Alexandra R. Chikava, Victor V. Dotsenko   +2 more
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Ring Transformation of Oxazolo [3,2-b][1,2,4] Triazines [PDF]

Iranian Journal of Chemistry & Chemical Engineering, 1995
6-Methyl-2-phenyl-7H-Oxazolo [3,2-b] [1,2,4] triazine (1) undersent ting transformation on treatment with ammonia and primary amines to afford the corresponding imidazol [1,2-b][1,2,4] triazine (2).
Majid M. Heravi, Mehdi Bakavoli, Zohreh Sadjadi Hashemi   +2 more
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Alkylation of 5-phenyl-6R-2Н-1,2,4-triazine-3-thione and Heterocyclization of 1-(4-Bromophenyl)-2-(5- phenyl-6R-1,2,4-triazine-3-ylsulfanyl)ethanones

, 2020
Рыбакова Анастасия Владимировна – кандидат химических наук, доцент кафедры теоретической и прикладной химии, Южно-Уральский государственный университет. 454080, г. Челябинск, проспект Ленина, 76. E-mail: rybakovaav@susu.ru.
Kim, D.G., Rybakova, A.V., Рыбакова, А.В., Хайбуллина, О.А., Sobolevskaya, V.G., Ким, Д.Г., Соболевская, В.Г., Khaybullina, O.A.   +7 more
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