Results 1 to 10 of about 6,154 (202)

Synthesis, Characterization, and Biological Evaluation of Novel 7-Oxo-7H-thiazolo[3,2-b]-1,2,4-triazine-2-carboxylic Acid Derivatives [PDF]

Molecules, 2020
A series of novel 7-oxo-7H-thiazolo[3,2-b]-1,2,4-triazine-2-carboxylic acid derivatives was synthesized in good yields by a multi-step procedure that included the generation of the S-alkylated derivatives from 6-substituted arylmethyl-3-mercapto-1,2,4 ...
Dong Cai, Tai Li, Qian Xie, Xiaofei Yu, Wei Xu, Yu Chen, Zhe Jin, Chun Hu   +7 more
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Synthesis and crystal structures of 6- and 8-methyl-3-phenylbenzo[e][1,2,4]triazines [PDF]

Acta Crystallographica Section E: Crystallographic Communications
The synthesis and single-crystal X-ray structures of two regioisomeric Blatter radical precursors, 6-methyl-3-phenylbenzo[e][1,2,4]triazine, (I), and 8-methyl-3-phenylbenzo[e][1,2,4]triazine (II), C14H11N3, are reported.
Christos P. Constantinides, Syed Raza, Fadwat Bazzi, Nisreen Sharara, Simona Marincean   +4 more
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Energetic salt of guanidinium 3,7-Bis(dinitromethylene)-octahydro-[1,2,4]-triazino-[6,5-e][1,2,4]triazine and its crystal structure [PDF]

ITM Web of Conferences, 2022
Energetic salt of guanidinium 3,7-Bis(dinitromethylene)-octahydro-[1,2,4]-triazino-[6,5-e][1,2,4]triazine(1) was prepared through the reaction of 3,7-Bis(dinitromethylene)-octahydro-[1,2,4]-triazino-[6,5-e][1,2,4]triazine with guanidinium carbonate.
Zhou Yifei, Gao Haixiang
doaj   +1 more source

Revisiting the Synthesis of Functionally Substituted 1,4-Dihydrobenzo[e][1,2,4]triazines

Molecules, 2022
A series of novel 1,4-dihydrobenzo[1,2,4][e]triazines bearing an acetyl or ester moiety as a functional group at the C(3) atom of the 1,2,4-triazine ring were synthesized.
Margarita A. Epishina, Alexander S. Kulikov, Leonid L. Fershtat   +2 more
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Synthesis of functionalized imidazo[4,5-e]thiazolo[3,2-b]triazines by condensation of imidazo[4,5-e]triazinethiones with DMAD or DEAD and rearrangement to imidazo[4,5-e]thiazolo[2,3-c]triazines

Beilstein Journal of Organic Chemistry, 2021
Two series of functionalized imidazothiazolotriazine derivatives were synthesized via the condensation of imidazo[4,5-e]-1,2,4-triazine-3-thiones with acetylenedicarboxylic acid dimethyl and diethyl esters (DMAD and DEAD) and subsequent base-catalyzed ...
Alexei N. Izmest’ev, Dmitry B. Vinogradov, Natalya G. Kolotyrkina, Angelina N. Kravchenko, Galina A. Gazieva   +4 more
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Synthesis of imidazo[4,5-e][1,3]thiazino[2,3-c][1,2,4]triazines via a base-induced rearrangement of functionalized imidazo[4,5-e]thiazolo[2,3-c][1,2,4]triazines

Beilstein Journal of Organic Chemistry, 2023
A series of imidazo[4,5-e][1,3]thiazino[2,3-c][1,2,4]triazines was synthesized via a cascade sequence of hydrolysis and skeletal rearrangement of imidazo[4,5-e]thiazolo[2,3-c][1,2,4]triazin-7(8H)-ylidene)acetic acid esters in methanol upon treatment with
Dmitry B. Vinogradov, Alexei N. Izmest’ev, Angelina N. Kravchenko, Yuri A. Strelenko, Galina A. Gazieva   +4 more
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Bioactive Pyrrolo[2,1-f][1,2,4]triazines: Synthesis, Molecular Docking, In Vitro Cytotoxicity Assay and Antiviral Studies

Chemistry, 2023
A series of 2,4-disubstituted pyrrolo[2,1-f][1,2,4]triazines containing both aryl and thienyl substituents were synthesized by exploiting the 1,3-cycloaddition reaction of N(1)-ethyl-1,2,4-triazinium tetrafluoroborates with dimethyl ...
Nataliya N. Mochulskaya, Svetlana K. Kotovskaya, Ilya I. Butorin, Mikhail V. Varaksin, Valery N. Charushin, Vladimir L. Rusinov, Yana L. Esaulkova, Alexander V. Slita, Polina A. Ilyina, Vladimir V. Zarubaev   +9 more
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A convenient synthetic approach to 5-(het)arylhydrazine substituted 1,2,4-triazines

Chimica Techno Acta, 2020
A convenient synthesis of 1,2,4-triazines bearing the moieties of (hetero)arylhydrazines at the position of C5 of the 1,2,4-triazine core is reported.
A. P. Krinochkin, M. R. Guda, A. Rammohan, D. S. Kopchuk, G. V. Zyryanov, V. L. Rusinov, O. N. Chupakhin   +6 more
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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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