Academic literature on the topic '4-b]-pyrazine'

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Journal articles on the topic "4-b]-pyrazine"

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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 (September 30, 2010): o2650. http://dx.doi.org/10.1107/s1600536810037943.

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Starchenkov, I. B., and V. G. Andrianov. "Chemistry of furazano[3,4-b]pyrazine. 4. 5,6-Dichlorofurazano[3,4-b]pyrazine in cyclization reactions." Chemistry of Heterocyclic Compounds 33, no. 11 (November 1997): 1352–54. http://dx.doi.org/10.1007/bf02320341.

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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 (September 26, 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 (September 26, 2009): o2546. http://dx.doi.org/10.1107/s1600536809037970.

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STARCHENKOV, I. B., and V. G. ANDRIANOV. "ChemInform Abstract: Chemistry of Furazano[3,4-b]pyrazine. Part 4. 5,6-Dichlorofurazano[3,4-b]pyrazine in Cyclization Reactions." ChemInform 29, no. 20 (June 22, 2010): no. http://dx.doi.org/10.1002/chin.199820198.

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Baron, Aurelie, Graham Sandford, Rachel Slater, Dmitry S. Yufit, Judith A. K. Howard, and Antonio Vong. "Polyfunctional Tetrahydropyrido[2,3-b]pyrazine Scaffolds from 4-Phenylsulfonyl Tetrafluoropyridine." Journal of Organic Chemistry 70, no. 23 (November 2005): 9377–81. http://dx.doi.org/10.1021/jo051453v.

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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)n (n = 1–4) were optimized at the B3LYP/6–31G(d) level. The energies of the HOMO, LUMO and HOMO–LUMO energy gaps of (SPP)n, (TPP)n, (FPP)n and (PPC)n (n = 1–4) were obtained by a linear extrapolation method. Further, calculations of ionization potential, electronic affinity and reorganization energy were used to evaluate charge injection and transport abilities. For (SPP)n, (TPP)n, (FPP)n and (PPC)n (n = 1–4), the time-dependent density functional theory (TDDFT) calculation results revealed that the absorption peaks can be characterized as π–π* transitions and are coupled with the location of electron density distribution change in different repeat units. All the primary theoretical investigations are intended to establish structure–property relationships, which can provide guidance in designing and preparing novel efficient organic light-emitting materials with a high performance.
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Starchenkov, I. B., and V. G. Andrianov. "4H,8H-bis(1,2,5-oxadiazolo)[3,4-b:3',4'-e]Pyrazine." Chemistry of Heterocyclic Compounds 32, no. 5 (May 1996): 618. http://dx.doi.org/10.1007/bf01164797.

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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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Sheremetev, Aleksei B., and Igor L. Yudin. "Synthesis of unsubstituted 4H,8H-bisfurazano[3,4-b:3′,4′-e]pyrazine." Mendeleev Communications 6, no. 6 (January 1996): 247–48. http://dx.doi.org/10.1070/mc1996v006n06abeh000746.

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Dissertations / Theses on the topic "4-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 both 2,3-diazo-1,3-butadiene bridge with two terminal chromophores and two thiophene units linked together via -position by pyrazine or hydrazine bridge. Finally, the new type of regular alternating copolymer consists of 2,2´:5´,2´´-terthiophene-5,5´-dicarboxylic acid (TEDA) and polyethyleneoxide (PEO) was prepared. Formation of polymer nano-subunits as separated phases in solid state was confirmed by TEM.
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Conference papers on the topic "4-b]-pyrazine"

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Liu, Yang, Zhibin Xu, Yudong Xu, Liang Xu, and Zihui Meng. "Property study of poly nitro compounds of cis-syn-cis-2, 6-dioxodecahydro-lH, 5H-diimidazo [4, 5-b: 4’, 5’-e] pyrazine." In 11TH ASIAN CONFERENCE ON CHEMICAL SENSORS: (ACCS2015). Author(s), 2017. http://dx.doi.org/10.1063/1.4977267.

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