Relevant bibliographies by topics / 3-b]pyrazine

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  1. Journal articles
  2. Dissertations / Theses
  3. Book chapters

Academic literature on the topic '3-b]pyrazine'

Author: Grafiati
Published: 24 April 2022
Last updated: 30 July 2025

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Journal articles on the topic "3-b]pyrazine"

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Lassagne, Frédéric, Timothy Langlais, Elsa Caytan, et al. "From Quinoxaline, Pyrido[2,3-b]pyrazine and Pyrido[3,4-b]pyrazine to Pyrazino-Fused Carbazoles and Carbolines." Molecules 23, no. 11 (2018): 2961. http://dx.doi.org/10.3390/molecules23112961.

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2,3-Diphenylated quinoxaline, pyrido[2,3-b]pyrazine and 8-bromopyrido[3,4-b]pyrazine were halogenated in deprotometalation-trapping reactions using mixed 2,2,6,6-tetramethyl piperidino-based lithium-zinc combinations in tetrahydrofuran. The 2,3-diphenylated 5-iodo- quinoxaline, 8-iodopyrido[2,3-b]pyrazine and 8-bromo-7-iodopyrido[3,4-b]pyrazine thus obtained were subjected to palladium-catalyzed couplings with arylboronic acids or anilines, and possible subsequent cyclizations to afford the corresponding pyrazino[2,3-a]carbazole, pyrazino[2′,3′:5,6] pyrido[4,3-b]indole and pyrazino[2′,3′:4,5]p
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2

Wang, Cui-ping, Jing-bo Yan, Hai-Jun Chi, Yan Dong, and Zhi-qiang Zhang. "3-(4-Methoxyphenyl)pyrido[2,3-b]pyrazine." Acta Crystallographica Section E Structure Reports Online 66, no. 10 (2010): o2650. http://dx.doi.org/10.1107/s1600536810037943.

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3

Fun, Hoong-Kun, Madhukar Hemamalini, Anita Hazra, and Shyamaprosad Goswami. "Methyl pyrido[2,3-b]pyrazine-3-carboxylate." Acta Crystallographica Section E Structure Reports Online 67, no. 11 (2011): o3120. http://dx.doi.org/10.1107/s1600536811044412.

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Buděšínský, Miloš, Antonín Trka, Karel Stránský, and Milan Streibl. "Heterocyclic nitrogen-containing compounds from the extract of the springtail Tetrodontophora bielanensis (WAGA)." Collection of Czechoslovak Chemical Communications 51, no. 4 (1986): 956–63. http://dx.doi.org/10.1135/cccc19860956.

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Two pyrido[2,3-b]pyrazines were isolated from the extract of the springtail Tetrodontophora bielanensis (WAGA). Their structure were determined by mass and NMR spectroscopy: 2,3-dimethoxypyrido[2,3-b]pyrazine (I) and 2-methoxy-3-isopropylpyrido[2,3-b]pyrazine (II).
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Berteina-Raboin, Sabine, Joana Campos, and Maria-João Queiroz. "Synthesis of New Annulated Pyrazinothienotriazolopyrimidinones and Triazolylthienopyrazines." Synthesis 50, no. 05 (2017): 1159–65. http://dx.doi.org/10.1055/s-0036-1589136.

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New pyrazino[2′,3′:4,5]thieno[2,3-e][1,2,3]triazolo[1,5-a]-pyrimidin-5(4H)-ones were synthesized in an efficient, fast, and mild one-pot procedure from methyl 7-azidothieno[2,3-b]pyrazine-6-carboxylate. From the latter, some triazolothieno[2,3-b]pyrazine-6-carboxylates were also obtained with total regioselectivity by [2+3] cycloaddition with alkynes without any metal catalyst.
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Sonawane, Amol D., Atsushi Shimozuma, Taro Udagawa, Masayuki Ninomiya, and Mamoru Koketsu. "Synthesis and photophysical properties of selenopheno[2,3-b]quinoxaline and selenopheno[2,3-b]pyrazine heteroacenes." Organic & Biomolecular Chemistry 18, no. 21 (2020): 4063–70. http://dx.doi.org/10.1039/d0ob00718h.

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Novel synthesis of 2-arylselenopheno[2,3-b]quinoxaline, 3-(aryl/alkylselanyl)-2-arylselenopheno[2,3-b]quinoxaline and 6-phenyl-7-(arylselanyl)selenopheno[2,3-b]pyrazine derivatives, from the corresponding 2,3-dichloroquinoxaline and 2,3-dichloropyrazine derivatives.
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Wang, Yanling, Qiang Peng, Ping He, Zaifang Li, Ying Liang, and Benlin Li. "Theoretical Design Study on Photophysical Properties of Light-emitting Pyrido[3,4-b]pyrazine-based Oligomers." Australian Journal of Chemistry 65, no. 2 (2012): 169. http://dx.doi.org/10.1071/ch11427.

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The electronic structures, charge injection and transport, and absorption and emission properties of four series of dimethylpyrido[3,4-b]pyrazine-based oligomers (5-(5,5-dimethyl-5H-dibenzo[b,d]silol-3-yl)-2,3-dimethylpyrido[3,4-b]pyrazine)n (SPP)n, (5-(dibenzo[b,d]thiophen-3-yl)-2,3-dimethylpyrido[3,4-b]pyrazine)n (TPP)n, (5-(9,9-dimethyl-9H-fluoren-2-yl)-2,3-dimethylpyrido[3,4-b]pyrazine)n (FPP)n, (2-(2,3-dimethylpyrido[3,4-b]pyrazin-5-yl)-9-methyl-9H-carbazole)n (PPC)n were investigated by the density functional theory approach. The ground-state geometries of (SPP)n, (TPP)n, (FPP)n and (PPC
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Snyder, Christopher J., Lucille A. Wells, David E. Chavez, Gregory H. Imler, and Damon A. Parrish. "Polycyclic N-oxides: high performing, low sensitivity energetic materials." Chemical Communications 55, no. 17 (2019): 2461–64. http://dx.doi.org/10.1039/c8cc09653h.

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Koch, Pierre, Dieter Schollmeyer, and Stefan Laufer. "2-(4-Fluorophenyl)-3-(4-pyridyl)pyrido[2,3-b]pyrazine." Acta Crystallographica Section E Structure Reports Online 65, no. 10 (2009): o2512. http://dx.doi.org/10.1107/s1600536809037295.

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Koch, Pierre, Dieter Schollmeyer, and Stefan Laufer. "3-(4-Fluorophenyl)-2-(4-pyridyl)pyrido[2,3-b]pyrazine." Acta Crystallographica Section E Structure Reports Online 65, no. 10 (2009): o2546. http://dx.doi.org/10.1107/s1600536809037970.

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Dissertations / Theses on the topic "3-b]pyrazine"

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Krajčovič, Jozef. "Studium thiofenových oligo-kopolymerů: syntéza a optoelektronické vlastnosti." Doctoral thesis, Vysoké učení technické v Brně. Fakulta chemická, 2010. http://www.nusl.cz/ntk/nusl-233316.

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Thesis presents synthesis and study of thiophene monomers, oligomers and polymers. The new series of thieno[3,4-b]pyrazine copolymers based on 3-dodecylthiophene and pyrazine monomers were prepared by oxidative polymerization with FeCl3. The effective synthetic method for preparation of 3-alkylthiophenes and thiophene oligomers was developed by optimizing of Kumada cross-couplig. The mentioned method could be realized for multikilos scale with possibility of transfer to pilot plant production. The second part of thesis focuses on synthesis and study of new thiophene compounds, which consist of
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Book chapters on the topic "3-b]pyrazine"

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Roy, Priyabrata. "TANDEM GENERATION OF FURO [3, 4-b] PYRAZINE AND FURO [3, 4-b] QUINOXALINE INTERMEDIATES USING FISCHER CARBENE COMPLEXES AND TRAPPING FOR SYNTHESIS OF NITROGEN HETEROCYCLES." In Futuristic Trends in Chemical Material Sciences & Nano Technology Volume 3 Book 25. Iterative International Publishers, Selfypage Developers Pvt Ltd, 2024. http://dx.doi.org/10.58532/v3becs25p2ch8.

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An unique method for tandem generation of furo[3,4-b]pyrazine and furo[3,4-b]quinoxaline intermediates using Fischer carbene complexes and then trapping with suitable dienophiles to generate nitrogen heterocycles has been described. The intermediate is trapped with a dienophile to generate quinoxaline or phenazine ring system respectively.
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You might also be interested in the extended bibliographies on the topic '3-b]pyrazine' for particular source types:
Journal articles
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