Relevant bibliographies by topics / 3-b]quinoxaline

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

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

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

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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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Besharati-Seidani, Tayebeh, Ali Keivanloo, Babak Kaboudin, and Tsutomu Yokomatsu. "Efficient synthesis of 2-phenyl-3-substituted furo/thieno[2,3-b]quinoxalines via Sonogashira coupling reaction followed by iodocyclization and subsequent palladium-catalyzed cross-coupling reactions." RSC Advances 6, no. 87 (2016): 83901–8. http://dx.doi.org/10.1039/c6ra15425e.

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In this paper, we report the successful synthesis of new 2-phenyl-3-substituted furo/thieno[2,3-b]quinoxaline derivatives from 2-chloro-3-methoxyquinoxaline and 2-chloro-3-(methylthio)quinoxaline by a three-step approach.
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Anothane, Caleb Ahoya, and El Mokhtar Essassi. "2-(3-thienyl)-2,3-dihydrofuro[2,3-b]quinoxaline." Molbank 2007, no. 2 (2007): M536. http://dx.doi.org/10.3390/m536.

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Wang, Xinye, Yuan Wu, Chuan Ming Wu, et al. "Dibenzo[f,h]furo[2,3-b]quinoxaline-based molecular scaffolds as deep blue fluorescence materials for organic light-emitting diodes." New Journal of Chemistry 46, no. 1 (2022): 419–25. http://dx.doi.org/10.1039/d1nj04934h.

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A novel molecular scaffold, dibenzo[f,h]furo[2,3-b]quinoxaline (3,6-bis(4-isopropylphenyls)-11-phenyldibenzo[f,h]furo[2,3-b]quinoxaline (dP-diBFQ) and furo[2′,3′:5,6]pyrazino[2,3-f][1,10]phenanthroline, were designed, for pure and deep blue emission. OLEDs based on dP-diBFQ shows pure blue emission with CIE coordinates of (0.154, 0.102) and an EQE of 2.28%.
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Kovrizhina, Anastasia R., Elizaveta I. Samorodova, and Andrei I. Khlebnikov. "11H-Indeno[1,2-b]quinoxalin-11-one 2-(4-ethylbenzylidene)hydrazone." Molbank 2021, no. 4 (2021): M1299. http://dx.doi.org/10.3390/m1299.

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11H-Indeno[1,2-b]quinoxaline derivatives present an important type of nitrogen-containing heterocyclic compound that are useful intermediate products in organic synthesis and have potential pharmaceutical applications. A new 11H-indeno[1,2-b]quinoxalin-11-one-2-(4-ethylbenzylidene)hydrazone (compound 3) was synthesized. Compound 3 is the first example of an azine derivative based on the 11H-indeno[1,2-b]quinoxaline system. The Z,E-isomerism of compound 3 was investigated by DFT calculations. Bioavailability was evaluated in silico using ADME predictions. According to the ADME results, compound
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Ammar, Y. A., M. S. A. El-gaby, M. A. Zahran, and A. A. Abdel-salam. "SOME REACTIONS WITH 6-BENZOYL-3-AMINO-2-IMINO-2,3- DIHYDROTHIAZOLO[4,5-b]QUINOXALINE: SYNTHESIS OF (1,2,4) TRIAZOLO[3′,2′:2,3]THIAZOLO[4,5-b] QUINOXALINE AND (1,3,4)THIADIAZINO [5,6-b]QUINOXALINE DERIVATIVES." Phosphorus, Sulfur, and Silicon and the Related Elements 157, no. 1 (2000): 87–95. http://dx.doi.org/10.1080/10426500008040514.

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El-Sawy, Eslam, Fatma Bassyouni, Sherifa Abu-Bakr, Hanaa Rady, and Mohamed Abdlla. "Synthesis and biological activity of some new 1-benzyl and 1-benzoyl-3-heterocyclic indole derivatives." Acta Pharmaceutica 60, no. 1 (2010): 55–71. http://dx.doi.org/10.2478/v10007-010-0004-0.

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Synthesis and biological activity of some new 1-benzyl and 1-benzoyl-3-heterocyclic indole derivativesStarting from 1-benzyl- (2a) and 1-benzoyl-3-bromoacetyl indoles (2b) new heterocyclic, 2-thioxoimidazolidine (4a, b), imidazolidine-2,4-dione (5a, b), pyrano(2,3-d)imida-zole (8a, band9a, b), 2-substituted quinoxaline (11a, b-17a, b) and triazolo(4,3-a)quinoxaline derivatives (18a, band19a, b) were synthesized and evaluated for their antimicrobial and anticancer activities. Antimicrobial activity screening performed with concentrations of 0.88, 0.44 and 0.22 μg mm-2showed that 3-(1-substitute
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Y., A. AMMAR, M. ISMAIL I., M. SH. EL-SHARIEF A., A. MOHAMED Y., and M. AMER R. "Synthesis of some Newer Thiazolo and Thiadiazino Derivatives from 6-Methyl- or 6-Nitro-2,3-dichloroquinoxalines." Journal of Indian Chemical Society Vol. 66, Feb 1989 (1989): 124–27. https://doi.org/10.5281/zenodo.6303632.

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Chemistry Department, Faculty of Science, Al-Azhar University, Nasr City, Cairo, Egypt <em>Manuscript received 23 October 1987, revised 18 August 1988, accepted 18 November 1988</em> lnteraction or 6-methyl&nbsp;or 6-nitro-2,3-dichloroquinoxaline (1a, b) with&nbsp;thiourea in ethanol led to the formation or diquinoxalino[2,3-<em>b</em>: 2&#39;,3&#39;-<em>e</em>]-1,4-dithiien derivatives (2a, b) with 2-imino-2,3-dihydrothiazolol [4,5-<em>b</em> ]quinoxalines (3a, b). 7-Methyl- or 7- nitro-3-amino-2-imino-2,3-dihydrothiazolo[4,5-<em>b</em>]quinoxaline (6a, b) were prepared and reacted with acid
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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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Peters, Karl, Eva-Maria Peters, Hans Georg von Schnering, Gert Kollenz, Ewald Terpetschnig, and Walter Ott. "Crystal structure of a mixed crystal containing 3-benzoyl-2-phenyl-furo[2,3-b]quinoxaline and 3-benzoyl-2-phenyl-thieno[2,3-b]quinoxaline." Zeitschrift für Kristallographie 177, no. 3-4 (1986): 301–6. http://dx.doi.org/10.1524/zkri.1986.177.3-4.301.

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Book chapters on the topic "3-b]quinoxaline"

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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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