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A Rapid Synthesis of Some 1,4-aryldiazines by the Use of Lithium Chloride as an Effective Catalyst.

Acta chimica Slovenica

Karami B, Rooydel R, Saeed K.
PMID: 24061189
Acta Chim Slov. 2012 Mar;59(1):183-8.

The synthesis of some 1,4-aryldiazines (novel and known dibenzo[a,c]phenazines and quinoxalines) based on the condensation of 1,2-aryldiamines with aromatic 1,2-dicarbonyl compounds in the presence of lithium chloride as a heterogeneous catalyst is presented as convenient and efficient strategy. This...

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Karami B, Rooydel R, Saeed K. A Rapid Synthesis of Some 1,4-aryldiazines by the Use of Lithium Chloride as an Effective Catalyst. Acta Chim Slov. 2012;59(1):183-8
Karami, B., Rooydel, R., & Saeed, K. (2012). A Rapid Synthesis of Some 1,4-aryldiazines by the Use of Lithium Chloride as an Effective Catalyst. Acta chimica Slovenica, 59(1), 183-8.
Karami, Bahador, et al. "A Rapid Synthesis of Some 1,4-aryldiazines by the Use of Lithium Chloride as an Effective Catalyst." Acta chimica Slovenica vol. 59,1 (2012): 183-8.
Karami B, Rooydel R, Saeed K. A Rapid Synthesis of Some 1,4-aryldiazines by the Use of Lithium Chloride as an Effective Catalyst. Acta Chim Slov. 2012 Mar;59(1):183-8. PMID: 24061189.
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Eco-friendly approach to access of quinoxaline derivatives using nanostructured pyrophosphate Na.

BMC chemistry

Dânoun K, Essamlali Y, Amadine O, Mahi H, Zahouily M.
PMID: 32025664
BMC Chem. 2020 Feb 03;14(1):6. doi: 10.1186/s13065-020-0662-z. eCollection 2020 Dec.

In the present study, we report the synthesis of various quinoxaline derivatives from direct condensation of substituted aromatic 1,2-diamine with 1,2-dicarbonyl catalyzed by nanostructured pyrophosphate Na

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Dânoun K, Essamlali Y, Amadine O, et al. Eco-friendly approach to access of quinoxaline derivatives using nanostructured pyrophosphate Na. BMC Chem. 2020;14(1):6doi: 10.1186/s13065-020-0662-z.
Dânoun, K., Essamlali, Y., Amadine, O., Mahi, H., & Zahouily, M. (2020). Eco-friendly approach to access of quinoxaline derivatives using nanostructured pyrophosphate Na. BMC chemistry, 14(1), 6. https://doi.org/10.1186/s13065-020-0662-z
Dânoun, Karim, et al. "Eco-friendly approach to access of quinoxaline derivatives using nanostructured pyrophosphate Na." BMC chemistry vol. 14,1 (2020): 6. doi: https://doi.org/10.1186/s13065-020-0662-z
Dânoun K, Essamlali Y, Amadine O, Mahi H, Zahouily M. Eco-friendly approach to access of quinoxaline derivatives using nanostructured pyrophosphate Na. BMC Chem. 2020 Feb 03;14(1):6. doi: 10.1186/s13065-020-0662-z. eCollection 2020 Dec. PMID: 32025664; PMCID: PMC6996184.
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Green Hydrothermal Synthesis of Fluorescent 2,3-Diarylquinoxalines and Large-Scale Computational Comparison to Existing Alternatives.

ChemSusChem

Amaya-García F, Caldera M, Koren A, Kubicek S, Menche J, Unterlass MM.
PMID: 33662183
ChemSusChem. 2021 Apr 22;14(8):1853-1863. doi: 10.1002/cssc.202100433. Epub 2021 Mar 26.

Here, the hydrothermal synthesis (HTS) of 2,3-diarylquinoxalines from 1,2-diketones and o-phenylendiamines (o-PDAs) was achieved. The synthesis is simple, fast, and generates high yields, without requiring any organic solvents, strong acids or toxic catalysts. Reaction times down to 90 %...

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Amaya-García F, Caldera M, Koren A, et al. Green Hydrothermal Synthesis of Fluorescent 2,3-Diarylquinoxalines and Large-Scale Computational Comparison to Existing Alternatives. ChemSusChem. 2021;14(8):1853-1863doi: 10.1002/cssc.202100433.
Amaya-García, F., Caldera, M., Koren, A., Kubicek, S., Menche, J., & Unterlass, M. M. (2021). Green Hydrothermal Synthesis of Fluorescent 2,3-Diarylquinoxalines and Large-Scale Computational Comparison to Existing Alternatives. ChemSusChem, 14(8), 1853-1863. https://doi.org/10.1002/cssc.202100433
Amaya-García, Fabián, et al. "Green Hydrothermal Synthesis of Fluorescent 2,3-Diarylquinoxalines and Large-Scale Computational Comparison to Existing Alternatives." ChemSusChem vol. 14,8 (2021): 1853-1863. doi: https://doi.org/10.1002/cssc.202100433
Amaya-García F, Caldera M, Koren A, Kubicek S, Menche J, Unterlass MM. Green Hydrothermal Synthesis of Fluorescent 2,3-Diarylquinoxalines and Large-Scale Computational Comparison to Existing Alternatives. ChemSusChem. 2021 Apr 22;14(8):1853-1863. doi: 10.1002/cssc.202100433. Epub 2021 Mar 26. PMID: 33662183; PMCID: PMC8252754.
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Manganese catalyzed C-alkylation of methyl N-heteroarenes with primary alcohols.

Chemical communications (Cambridge, England)

Jana A, Kumar A, Maji B.
PMID: 33624678
Chem Commun (Camb). 2021 Mar 25;57(24):3026-3029. doi: 10.1039/d1cc00181g. Epub 2021 Feb 24.

C-Alkylations of nine different classes of methyl-substituted N-heteroarenes, including quinolines, quinoxalines, benzimidazoles, benzoxazoles, pyrazines, pyrimidines, pyridazines, pyridines, and triazines are disclosed. A bench stable earth-abundant Mn(i)-complex catalyzed the chemoselective hydrogen-transfer reaction utilizing a diverse range of primary alcohols as...

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Jana A, Kumar A, Maji B. Manganese catalyzed C-alkylation of methyl N-heteroarenes with primary alcohols. Chem Commun (Camb). 2021;57(24):3026-3029doi: 10.1039/d1cc00181g.
Jana, A., Kumar, A., & Maji, B. (2021). Manganese catalyzed C-alkylation of methyl N-heteroarenes with primary alcohols. Chemical communications (Cambridge, England), 57(24), 3026-3029. https://doi.org/10.1039/d1cc00181g
Jana, Akash, et al. "Manganese catalyzed C-alkylation of methyl N-heteroarenes with primary alcohols." Chemical communications (Cambridge, England) vol. 57,24 (2021): 3026-3029. doi: https://doi.org/10.1039/d1cc00181g
Jana A, Kumar A, Maji B. Manganese catalyzed C-alkylation of methyl N-heteroarenes with primary alcohols. Chem Commun (Camb). 2021 Mar 25;57(24):3026-3029. doi: 10.1039/d1cc00181g. Epub 2021 Feb 24. PMID: 33624678.
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Natural vs. Synthetic Phosphate as Efficient Heterogeneous Compounds for Synthesis of Quinoxalines.

International journal of molecular sciences

Amini A, Fallah A, Sedaghat A, Gholami A, Cheng C, Gupta AR.
PMID: 34948460
Int J Mol Sci. 2021 Dec 20;22(24). doi: 10.3390/ijms222413665.

Natural phosphate (NP) and synthetic fluorapatite phosphate (SFAP) were proposed as stable, inexpensive, readily available and recyclable catalysts for the condensation of 1,2-diamines with 1,2-dicarbonyls in methanol to afford quinoxaline at room temperature. NP provided as high as 92-99%...

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Amini A, Fallah A, Sedaghat A, et al. Natural vs. Synthetic Phosphate as Efficient Heterogeneous Compounds for Synthesis of Quinoxalines. Int J Mol Sci. 2021;22(24)doi: 10.3390/ijms222413665.
Amini, A., Fallah, A., Sedaghat, A., Gholami, A., Cheng, C., & Gupta, A. R. (2021). Natural vs. Synthetic Phosphate as Efficient Heterogeneous Compounds for Synthesis of Quinoxalines. International journal of molecular sciences, 22(24), . https://doi.org/10.3390/ijms222413665
Amini, Abbas, et al. "Natural vs. Synthetic Phosphate as Efficient Heterogeneous Compounds for Synthesis of Quinoxalines." International journal of molecular sciences vol. 22,24 (2021). doi: https://doi.org/10.3390/ijms222413665
Amini A, Fallah A, Sedaghat A, Gholami A, Cheng C, Gupta AR. Natural vs. Synthetic Phosphate as Efficient Heterogeneous Compounds for Synthesis of Quinoxalines. Int J Mol Sci. 2021 Dec 20;22(24). doi: 10.3390/ijms222413665. PMID: 34948460; PMCID: PMC8704691.
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Nickel-Catalyzed Direct Synthesis of Quinoxalines from 2-Nitroanilines and Vicinal Diols: Identifying Nature of the Active Catalyst.

The Journal of organic chemistry

Shee S, Panja D, Kundu S.
PMID: 31903762
J Org Chem. 2020 Feb 21;85(4):2775-2784. doi: 10.1021/acs.joc.9b03104. Epub 2020 Jan 17.

The inexpensive and simple NiBr

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Shee S, Panja D, Kundu S. Nickel-Catalyzed Direct Synthesis of Quinoxalines from 2-Nitroanilines and Vicinal Diols: Identifying Nature of the Active Catalyst. J Org Chem. 2020;85(4):2775-2784doi: 10.1021/acs.joc.9b03104.
Shee, S., Panja, D., & Kundu, S. (2020). Nickel-Catalyzed Direct Synthesis of Quinoxalines from 2-Nitroanilines and Vicinal Diols: Identifying Nature of the Active Catalyst. The Journal of organic chemistry, 85(4), 2775-2784. https://doi.org/10.1021/acs.joc.9b03104
Shee, Sujan, et al. "Nickel-Catalyzed Direct Synthesis of Quinoxalines from 2-Nitroanilines and Vicinal Diols: Identifying Nature of the Active Catalyst." The Journal of organic chemistry vol. 85,4 (2020): 2775-2784. doi: https://doi.org/10.1021/acs.joc.9b03104
Shee S, Panja D, Kundu S. Nickel-Catalyzed Direct Synthesis of Quinoxalines from 2-Nitroanilines and Vicinal Diols: Identifying Nature of the Active Catalyst. J Org Chem. 2020 Feb 21;85(4):2775-2784. doi: 10.1021/acs.joc.9b03104. Epub 2020 Jan 17. PMID: 31903762.
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Y-shaped ferrocene/non-ferrocene conjugated quinoxalines for colorimetric and fluorimetric detection of picric acid.

Spectrochimica acta. Part A, Molecular and biomolecular spectroscopy

Rajalakshmi AV, Palanisami N.
PMID: 31787532
Spectrochim Acta A Mol Biomol Spectrosc. 2020 Mar 05;228:117812. doi: 10.1016/j.saa.2019.117812. Epub 2019 Nov 19.

New Y-shaped ferrocene and non-ferrocene conjugated quinoxaline derivatives {[R-(CH)

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Rajalakshmi AV, Palanisami N. Y-shaped ferrocene/non-ferrocene conjugated quinoxalines for colorimetric and fluorimetric detection of picric acid. Spectrochim Acta A Mol Biomol Spectrosc. 2019;228:117812doi: 10.1016/j.saa.2019.117812.
Rajalakshmi, A. V., & Palanisami, N. (2020). Y-shaped ferrocene/non-ferrocene conjugated quinoxalines for colorimetric and fluorimetric detection of picric acid. Spectrochimica acta. Part A, Molecular and biomolecular spectroscopy, 228117812. https://doi.org/10.1016/j.saa.2019.117812
Rajalakshmi, Ayilam Viswanathan, and Palanisami, Nallasamy. "Y-shaped ferrocene/non-ferrocene conjugated quinoxalines for colorimetric and fluorimetric detection of picric acid." Spectrochimica acta. Part A, Molecular and biomolecular spectroscopy vol. 228 (2020): 117812. doi: https://doi.org/10.1016/j.saa.2019.117812
Rajalakshmi AV, Palanisami N. Y-shaped ferrocene/non-ferrocene conjugated quinoxalines for colorimetric and fluorimetric detection of picric acid. Spectrochim Acta A Mol Biomol Spectrosc. 2020 Mar 05;228:117812. doi: 10.1016/j.saa.2019.117812. Epub 2019 Nov 19. PMID: 31787532.
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Electrochemical Characterization of Aromatic Molecules with 1,4-Diaza Groups for Flow Battery Applications.

Molecules (Basel, Switzerland)

Pasadakis-Kavounis A, Baj V, Hjelm J.
PMID: 33921498
Molecules. 2021 Apr 12;26(8). doi: 10.3390/molecules26082227.

The aqueous redox flow battery is a promising technology for large-scale low cost energy storage. The rich possibilities for the tailoring of organic molecules and the possibility to discover active materials of lower cost and decreased environmental impact continue...

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Pasadakis-Kavounis A, Baj V, Hjelm J. Electrochemical Characterization of Aromatic Molecules with 1,4-Diaza Groups for Flow Battery Applications. Molecules. 2021;26(8)doi: 10.3390/molecules26082227.
Pasadakis-Kavounis, A., Baj, V., & Hjelm, J. (2021). Electrochemical Characterization of Aromatic Molecules with 1,4-Diaza Groups for Flow Battery Applications. Molecules (Basel, Switzerland), 26(8), . https://doi.org/10.3390/molecules26082227
Pasadakis-Kavounis, Alexandros, et al. "Electrochemical Characterization of Aromatic Molecules with 1,4-Diaza Groups for Flow Battery Applications." Molecules (Basel, Switzerland) vol. 26,8 (2021). doi: https://doi.org/10.3390/molecules26082227
Pasadakis-Kavounis A, Baj V, Hjelm J. Electrochemical Characterization of Aromatic Molecules with 1,4-Diaza Groups for Flow Battery Applications. Molecules. 2021 Apr 12;26(8). doi: 10.3390/molecules26082227. PMID: 33921498; PMCID: PMC8069459.
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Singly and Doubly Quinoxaline-Fused B.

Chemistry (Weinheim an der Bergstrasse, Germany)

Kise K, Osuka A.
PMID: 31692130
Chemistry. 2019 Dec 05;25(68):15493-15497. doi: 10.1002/chem.201904151. Epub 2019 Nov 06.

B-Phenyl B

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Kise K, Osuka A. Singly and Doubly Quinoxaline-Fused B. Chemistry. 2019;25(68):15493-15497doi: 10.1002/chem.201904151.
Kise, K., & Osuka, A. (2019). Singly and Doubly Quinoxaline-Fused B. Chemistry (Weinheim an der Bergstrasse, Germany), 25(68), 15493-15497. https://doi.org/10.1002/chem.201904151
Kise, Koki, and Osuka, Atsuhiro. "Singly and Doubly Quinoxaline-Fused B." Chemistry (Weinheim an der Bergstrasse, Germany) vol. 25,68 (2019): 15493-15497. doi: https://doi.org/10.1002/chem.201904151
Kise K, Osuka A. Singly and Doubly Quinoxaline-Fused B. Chemistry. 2019 Dec 05;25(68):15493-15497. doi: 10.1002/chem.201904151. Epub 2019 Nov 06. PMID: 31692130.
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New fluorescent light-up quinoxalines differentiate between parallel and nonparallel G-quadruplex topologies using different excitation/emission channels.

Chemical communications (Cambridge, England)

Hu MH, Chen X.
PMID: 32215383
Chem Commun (Camb). 2020 Apr 14;56(30):4168-4171. doi: 10.1039/d0cc01242d.

In this study, new fluorescent quinoxalines were developed as G4 topology-selective probes. Among them, the most promising one could light up parallel G4s at two separate excitation wavelengths, exhibiting dual-channel emission, and light up nonparallel G4s at one excitation...

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Hu MH, Chen X. New fluorescent light-up quinoxalines differentiate between parallel and nonparallel G-quadruplex topologies using different excitation/emission channels. Chem Commun (Camb). 2020;56(30):4168-4171doi: 10.1039/d0cc01242d.
Hu, M. H., & Chen, X. (2020). New fluorescent light-up quinoxalines differentiate between parallel and nonparallel G-quadruplex topologies using different excitation/emission channels. Chemical communications (Cambridge, England), 56(30), 4168-4171. https://doi.org/10.1039/d0cc01242d
Hu, Ming-Hao, and Chen, Xiao. "New fluorescent light-up quinoxalines differentiate between parallel and nonparallel G-quadruplex topologies using different excitation/emission channels." Chemical communications (Cambridge, England) vol. 56,30 (2020): 4168-4171. doi: https://doi.org/10.1039/d0cc01242d
Hu MH, Chen X. New fluorescent light-up quinoxalines differentiate between parallel and nonparallel G-quadruplex topologies using different excitation/emission channels. Chem Commun (Camb). 2020 Apr 14;56(30):4168-4171. doi: 10.1039/d0cc01242d. PMID: 32215383.
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2,3-(Dibenzimidazol-2-yl)quinoxalines: Unexpected Dynamical Effect on Steady-State Electronic Absorption Spectra.

The journal of physical chemistry. B

Burganov TI, Monari A, Katsyuba SA, Mamedov VA, Zhukova NA, Assfeld X.
PMID: 31192599
J Phys Chem B. 2019 Jul 05;123(26):5514-5523. doi: 10.1021/acs.jpcb.9b00974. Epub 2019 Jun 26.

We report on the electronic absorption spectra, conformational behavior, and intra- and intermolecular hydrogen bonds of 2,3-(dibenzimidazol-2-yl)-quinoxaline (DBIQ). The experimentally found strong solvent dependence of the absorption spectra of DBIQ solutions cannot be assigned to electronic excitations of the...

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Burganov TI, Monari A, Katsyuba SA, et al. 2,3-(Dibenzimidazol-2-yl)quinoxalines: Unexpected Dynamical Effect on Steady-State Electronic Absorption Spectra. J Phys Chem B. 2019;123(26):5514-5523doi: 10.1021/acs.jpcb.9b00974.
Burganov, T. I., Monari, A., Katsyuba, S. A., Mamedov, V. A., Zhukova, N. A., & Assfeld, X. (2019). 2,3-(Dibenzimidazol-2-yl)quinoxalines: Unexpected Dynamical Effect on Steady-State Electronic Absorption Spectra. The journal of physical chemistry. B, 123(26), 5514-5523. https://doi.org/10.1021/acs.jpcb.9b00974
Burganov, Timur I, et al. "2,3-(Dibenzimidazol-2-yl)quinoxalines: Unexpected Dynamical Effect on Steady-State Electronic Absorption Spectra." The journal of physical chemistry. B vol. 123,26 (2019): 5514-5523. doi: https://doi.org/10.1021/acs.jpcb.9b00974
Burganov TI, Monari A, Katsyuba SA, Mamedov VA, Zhukova NA, Assfeld X. 2,3-(Dibenzimidazol-2-yl)quinoxalines: Unexpected Dynamical Effect on Steady-State Electronic Absorption Spectra. J Phys Chem B. 2019 Jul 05;123(26):5514-5523. doi: 10.1021/acs.jpcb.9b00974. Epub 2019 Jun 26. PMID: 31192599.
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Phosphine free Mn-complex catalysed dehydrogenative C-C and C-heteroatom bond formation: a sustainable approach to synthesize quinoxaline, pyrazine, benzothiazole and quinoline derivatives.

Chemical communications (Cambridge, England)

Das K, Mondal A, Srimani D.
PMID: 30167623
Chem Commun (Camb). 2018 Sep 18;54(75):10582-10585. doi: 10.1039/c8cc05877f.

Herein the first sustainable synthesis of quinoxalines, pyrazines and benzothiazoles catalysed by a phosphine free Mn(i) complex via acceptorless dehydrogenative coupling (ADC) is reported. This method is also applied successfully to synthesize quinolines via the dehydrogenation (removal of H2)...

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Das K, Mondal A, Srimani D. Phosphine free Mn-complex catalysed dehydrogenative C-C and C-heteroatom bond formation: a sustainable approach to synthesize quinoxaline, pyrazine, benzothiazole and quinoline derivatives. Chem Commun (Camb). 2018;54(75):10582-10585doi: 10.1039/c8cc05877f.
Das, K., Mondal, A., & Srimani, D. (2018). Phosphine free Mn-complex catalysed dehydrogenative C-C and C-heteroatom bond formation: a sustainable approach to synthesize quinoxaline, pyrazine, benzothiazole and quinoline derivatives. Chemical communications (Cambridge, England), 54(75), 10582-10585. https://doi.org/10.1039/c8cc05877f
Das, Kalicharan, et al. "Phosphine free Mn-complex catalysed dehydrogenative C-C and C-heteroatom bond formation: a sustainable approach to synthesize quinoxaline, pyrazine, benzothiazole and quinoline derivatives." Chemical communications (Cambridge, England) vol. 54,75 (2018): 10582-10585. doi: https://doi.org/10.1039/c8cc05877f
Das K, Mondal A, Srimani D. Phosphine free Mn-complex catalysed dehydrogenative C-C and C-heteroatom bond formation: a sustainable approach to synthesize quinoxaline, pyrazine, benzothiazole and quinoline derivatives. Chem Commun (Camb). 2018 Sep 18;54(75):10582-10585. doi: 10.1039/c8cc05877f. PMID: 30167623.
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Showing 13 to 24 of 136 entries