Quinoxaline-, dopamine-, and amino acid-derived metabolites from the edible insect Protaetia brevitarsis seulensis
Sign Up to like & getrecommendations! Published in 2017 at "Archives of Pharmacal Research"
DOI: 10.1007/s12272-017-0942-x
Abstract: Edible insects have been reported to produce metabolites showing various pharmacological activities, recently emerging as rich sources of health functional food. In particular, the larvae of Protaetia brevitarsis seulensis (Kolbe) have been used as traditional… read more here.
Keywords: quinoxaline; protaetia brevitarsis; brevitarsis seulensis; brevitarsis ... See more keywords
Antimicrobial evaluation of thiadiazino and thiazolo quinoxaline hybrids as potential DNA gyrase inhibitors; design, synthesis, characterization and morphological studies.
Sign Up to like & getrecommendations! Published in 2020 at "Bioorganic chemistry"
DOI: 10.1016/j.bioorg.2020.103841
Abstract: A series of thiadiazino[5,6-b]quinoxaline and thiazolo[4,5-b]quinoxaline derivatives was designed and synthetized from the reaction of 2,3-dichloro-6-(morpholinosulfonyl)quinoxaline (2) with thiosemicarbazide or thiocarbohydrazide and thiourea derivatives to give nineteen quinoxaline derivatives 3-16. All the synthesized compounds were… read more here.
Keywords: quinoxaline; thiazolo quinoxaline; dna gyrase; morphological studies ... See more keywords
Synthesis and characterization of quinoxaline derivative for high performance phosphorescent organic light-emitting diodes
Sign Up to like & getrecommendations! Published in 2018 at "Dyes and Pigments"
DOI: 10.1016/j.dyepig.2018.02.020
Abstract: Abstract A novel bipolar donor-acceptor-donor (D-A-D) type quinoxaline derivative, 2,3-di(9H-carbazol-9-yl)quinoxaline (DCQ) was designed and synthesized. The spectroscopic, thermal, photophysical and electrochemical properties of DCQ were systematically investigated. DCQ was employed as a yellow host material… read more here.
Keywords: phosphorescent; quinoxaline; phosphorescent organic; quinoxaline derivative ... See more keywords
The origin of conformational solvatochromism in phenylmethylidene-bis(pyrrolo[2,3-b]quinoxaline) derivative
Sign Up to like & getrecommendations! Published in 2021 at "Dyes and Pigments"
DOI: 10.1016/j.dyepig.2021.109475
Abstract: Abstract Phenylmethylidene-bis(pyrrolo[2,3-b]quinoxaline) derivative (1) was synthesized by the reaction between the 3-thiobenzoylpyrrolo[2,3-b]quinoxaline (SPQ) and a secondary amine or NaOH in DMF solution. The obtained compound was characterized by single crystal X-ray diffraction, which indicated the… read more here.
Keywords: phenylmethylidene bis; bis pyrrolo; pyrrolo quinoxaline; solvatochromism ... See more keywords
Efficient and sustainable Co3O4 nanocages based nickel catalyst: A suitable platform for the synthesis of quinoxaline derivatives
Sign Up to like & getrecommendations! Published in 2021 at "Molecular Catalysis"
DOI: 10.1016/j.mcat.2021.111454
Abstract: Abstract Engineered nanocages have emerged at the forefront of nanomaterial investigation as they possess tremendous potential to boost key chemical processes owing to their hollow architectures that can help in achieving high reactivity. With an… read more here.
Keywords: co3o4 nanocages; catalyst; co3o4; sustainable co3o4 ... See more keywords
Mn(I)-Catalyzed Preferential Electrophilic C3-Maleimidation in Quinoxaline Leading to Spirocyclization and Dehydrogenation of Succinimides.
Sign Up to like & getrecommendations! Published in 2023 at "Organic letters"
DOI: 10.1021/acs.orglett.3c01350
Abstract: A Mn(I)-catalyzed site-selective nondirected C3-maleimidation of quinoxaline is established. Herein, the electrophilic C3-metalation precedes over the o-directed strategy to access diversely substituted quinoxaline-appended succinimides. The products undergo PIFA-promoted C(sp2)-C(sp3) spirocyclization via π-electrons drifting from aryls… read more here.
Keywords: catalyzed preferential; maleimidation quinoxaline; spirocyclization; quinoxaline ... See more keywords
Effect of Electron-Withdrawing Chlorine Substituent on Morphological and Photovoltaic Properties of All Chlorinated D-A-Type Quinoxaline-Based Polymers.
Sign Up to like & getrecommendations! Published in 2022 at "ACS applied materials & interfaces"
DOI: 10.1021/acsami.2c00764
Abstract: The choice of the chlorine (Cl) atom as an electron-withdrawing substituent in conjugated polymers leads to a higher potential in the commercialization of polymer solar cells than its fluorine counterpart because of the versatility and… read more here.
Keywords: electron withdrawing; quinoxaline; quinoxaline based; pbcl ... See more keywords
The optoelectronic properties of organic materials based on triphenylamine that are relevant to organic solar photovoltaic cells
Sign Up to like & getrecommendations! Published in 2017 at "New Journal of Chemistry"
DOI: 10.1039/c7nj03272b
Abstract: In this paper, six symmetrical compounds with a donor–acceptor–donor (D–A–D) structure based on triphenylamine as a core and bridged with various spacer fragments with electron-acceptor character, such as quinoxaline, phenazine, benzo[g]quinoxaline, benzo[b]phenazine, thieno[3,4-b]pyrazine and thieno[3,4-b]quinoxaline,… read more here.
Keywords: based triphenylamine; quinoxaline; optoelectronic properties; ict interactions ... See more keywords
Recent advances in the synthesis and reactivity of quinoxaline
Sign Up to like & getrecommendations! Published in 2021 at "Organic chemistry frontiers"
DOI: 10.1039/d0qo01575j
Abstract: Quinoxaline has become a subject of extensive research due to its emergence as an important chemical moiety possessing a wide range of physicochemical and biological activities. The last few decades have witnessed several publications utilizing… read more here.
Keywords: reactivity quinoxaline; development; synthesis reactivity; advances synthesis ... See more keywords
Design, Synthesis and Pharmacological Evaluation of Novel C2,C3-Quinoxaline Derivatives as Promising Anxiolytic Agents
Sign Up to like & getrecommendations! Published in 2022 at "International Journal of Molecular Sciences"
DOI: 10.3390/ijms232214401
Abstract: A new series of quinoxaline derivatives, 2a–4b, were synthesized and their anxiolytic potential was evaluated in vivo using elevated plus maze (EPM), open field (OF) and light-dark box (LDB) techniques. According to the results of… read more here.
Keywords: design synthesis; synthesis pharmacological; quinoxaline derivatives; evaluation novel ... See more keywords
Synthesis of a New Series of Nitrogen/Sulfur Heterocycles by Linking Four Rings: Indole; 1,2,4-Triazole; Pyridazine; and Quinoxaline
Sign Up to like & getrecommendations! Published in 2020 at "Molecules"
DOI: 10.3390/molecules25030450
Abstract: A new series of nitrogen and sulfur heterocyclic systems were efficiently synthesized by linking the following four rings: indole; 1,2,4-triazole; pyridazine; and quinoxaline hybrids. The strength of the acid that catalyzes the condensation of 4-amino-5-(1H-indol-2-yl)-2,4-dihydro-3H-1,2,4-triazole-3-thione… read more here.
Keywords: quinoxaline; nitrogen sulfur; four rings; series nitrogen ... See more keywords