Academic literature on the topic 'Selenophene'
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Journal articles on the topic "Selenophene"
Skhiri, Aymen, Ridha Ben Salem, Jean-François Soulé, and Henri Doucet. "Reactivity of bromoselenophenes in palladium-catalyzed direct arylations." Beilstein Journal of Organic Chemistry 13 (December 22, 2017): 2862–68. http://dx.doi.org/10.3762/bjoc.13.278.
Full textHollinger, Jon, Dong Gao, and Dwight S. Seferos. "Selenophene Electronics." Israel Journal of Chemistry 54, no. 5-6 (April 3, 2014): 440–53. http://dx.doi.org/10.1002/ijch.201400011.
Full textHellwig, Paola S., Thiago J. Peglow, Filipe Penteado, Luana Bagnoli, Gelson Perin, and Eder J. Lenardão. "Recent Advances in the Synthesis of Selenophenes and Their Derivatives." Molecules 25, no. 24 (December 13, 2020): 5907. http://dx.doi.org/10.3390/molecules25245907.
Full textAlakhras, Fadi. "Electrochemical behavior and conductivity measurements of electropolymerized selenophene-based copolymers." Materials Science-Poland 33, no. 1 (March 1, 2015): 25–35. http://dx.doi.org/10.1515/msp-2015-0007.
Full textHollinger, Jon, Dong Gao, and Dwight S. Seferos. "ChemInform Abstract: Selenophene Electronics." ChemInform 45, no. 37 (August 28, 2014): no. http://dx.doi.org/10.1002/chin.201437245.
Full textPrediger, Patrícia, Ricardo Brandão, Cristina W. Nogueira, and Gilson Zeni. "Palladium-Catalyzed Carbonylation of 2-Haloselenophenes: Synthesis of Selenophene-2-carboxamides, Selenophene-2,5-dicarboxamides andN,N′-Bridged Selenophene-2-carboxamides." European Journal of Organic Chemistry 2007, no. 32 (November 2007): 5422–28. http://dx.doi.org/10.1002/ejoc.200700599.
Full textLe Gal, Yann, Thierry Roisnel, Frédéric Barrière, Takehiko Mori, and Dominique Lorcy. "Diselenolene proligands: reactivity and comparison with their dithiolene congeners." New Journal of Chemistry 45, no. 20 (2021): 8971–77. http://dx.doi.org/10.1039/d1nj01335a.
Full textWang, Sheng Tao, Bao Yang Lu, Jing Kun Xu, and Wei Qiang Zhou. "Electrosyntheses of Poly(selenophene-co-3-methylthiophene) with Improved Thermoelectric Property in Boron Trifluoride Diethyl Etherate." Advanced Materials Research 937 (May 2014): 17–22. http://dx.doi.org/10.4028/www.scientific.net/amr.937.17.
Full textHasegawa, Masashi, Shiori Haga, Tohru Nishinaga, and Yasuhiro Mazaki. "Selenacalix[4]selenophene: Synthesis, Structure, and Gel Formation of Cyclic Selenoether of Selenophene." Organic Letters 22, no. 10 (April 2, 2020): 3755–58. http://dx.doi.org/10.1021/acs.orglett.0c00839.
Full textNakayama, Juzo, Takashi Umezawa, Tomoki Matsui, Yoshiaki Sugihara, and Akihiko Ishii. "Thermolysis of Selenophene 1,1-Dioxides." HETEROCYCLES 48, no. 1 (1998): 61. http://dx.doi.org/10.3987/com-97-8000.
Full textDissertations / Theses on the topic "Selenophene"
Aydemir, Kadir. "Electrochromism With Selenophene Derivatives." Master's thesis, METU, 2008. http://etd.lib.metu.edu.tr/upload/12609341/index.pdf.
Full text1,4-di(selenophen-2-yl) benzene (DSB), synthesized via Stille coupling reaction of 1,4 dibromobenzene and tributyl (2-selenophenyl) stannane and corresponding conducting homopolymer (Poly (DSB)) was electrochemically synthesized in the presence of tetrabutylammoniumhexafluorophosphate (TBAPF6) as the supporting electrolyte in dichloromethane. The resulting conducting polymer was characterized by Cyclic Voltammetry (CV), Fourier Transform Infra Red Spectrometry (FTIR) and Ultraviolet&ndash
Visible Spectrometry (UV-Vis Spectrometry). Spectroelectrochemistry analysis and kinetic studies of Poly (DSB) revealed &ndash
* transition (max) at 340 nm with almost zero percent transmittance (T%) concurrently with striking and rapid (0.6 s) absorbance change at near infrared region (1250 nm) with 35% percent transmittance, indicating that Poly (DSB) is a very suitable near infrared electrochromic material. Copolymer of selenophene with ethylenedioxythiophene (EDOT) was potentiostatically synthesized. Poly (selenophene-co-EDOT) was characterized by Cyclic Voltammetry, FTIR and UV-Vis Spectrometry. During spectroelectrochemistry studies, &ndash
* transition (max) was observed at 555 nm with a switching time of 1.4 s and 39% transmittance. Polaron and bipolaron bands were observed at 851 nm and 1299 nm, respectively. Switching time at 1299 nm was 1.8 s with a percent transmittance of 72. Copolymer of DSB with EDOT (Poly (DSB-co-EDOT)) was synthesized and characterized. max, polaron and bipolaron bands were observed at 457 nm, 696 nm and 1251 nm, respectively. A rapid switching time (0.2 s) with 12% transmittance was observed at 696 nm. At the near infrared region (1251 nm), satisfactory percent transmittance (35%) and a moderate switching time (1.75 s) were observed.
McCarthy-Ward, Thomas. "Novel selenophene-containing conjugated materials." Thesis, Imperial College London, 2013. http://hdl.handle.net/10044/1/30166.
Full textMERLET, NADINE. "Le polymethyl-3 selenophene : synthese et caracterisation electrochimiques." Paris 6, 1989. http://www.theses.fr/1989PA066347.
Full textArdahan, Gulben. "A New P And N Dopable Selenophene Derivative And Its Electrochromic Properties." Master's thesis, METU, 2005. http://etd.lib.metu.edu.tr/upload/3/12609595/index.pdf.
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max value of 511nm and a band gap of 1.67eV.
MAHATSEKAKE, CLEMENT. "Synthese et etude electrochimique de polymeres derives du thiophene et du selenophene." Caen, 1992. http://www.theses.fr/1992CAEN2055.
Full textJARKAS, NACHWA Kirsch Gilbert. "SYNTHESE D'ANALOGUES BIHETEROCYCLIQUES DE PYRIDOCARBAZOLES A PARTIR DE 3-OXOBENZOB FURANNE, SELENOPHENE ET THIOPHENE /." [S.l.] : [s.n.], 1997. ftp://ftp.scd.univ-metz.fr/pub/Theses/1997/Jarkas.Nachwa.SMZ9716.pdf.
Full textHaid, Stefan [Verfasser]. "Functionalized selenophene oligomers and co-oligomers and their application in organic solar cells / Stefan Haid." Ulm : Universität Ulm. Fakultät für Naturwissenschaften, 2012. http://d-nb.info/1028055110/34.
Full textEpik, Bugra. "The Synthesis Of Donor-acceptor Type Electroactive Monomers Bearing Pyrrole And Selenophene As The Donor Moieties And Their Polymers." Master's thesis, METU, 2010. http://etd.lib.metu.edu.tr/upload/2/12611341/index.pdf.
Full textPoly(4,7-di(1H-pyrrol-2-yl)benzo[c][1,2,5]thiadiazole P(PYBTPY) and poly(4,7-di(selenophen-2-yl)benzo[c][1,2,5]thiadiazole P(SEBTSE) were synthesized via bromination, stannylation and Stille coupling reactions. Electrochemical and electrochromic properties of the polymers were examined in detail.
DEPRETS, STEPHANIE Kirsch Gilbert. "FONCTIONNALISATION DES 3-OXO-BENZOBFURANE, -THIOPHENE, -SELENOPHENE ET DE L'INDOXYLE POUR DES REACTIONS DE COUPLAGE CATALYSEES PAR LE PALLADIUM. APPLICATION A LA SYNTHESE DE SYSTEMES TETRACYCLIQUES /." [S.l.] : [s.n.], 1998. ftp://ftp.scd.univ-metz.fr/pub/Theses/1998/Deprets.Stephanie.SMZ9850.pdf.
Full textWilhelm, Ethel Antunes. "Efeito hepatoprotetor causado pelo 3-alquinil selenofeno contra o dano oxidativo induzido por agentes químicos em ratos." Universidade Federal de Santa Maria, 2009. http://repositorio.ufsm.br/handle/1/11099.
Full textThe liver presents extraordinary functional diversity, particularly in the control of energy production, immune defense and volemic reserve. The human being is exposed occupationally and in the environment to a variety of hepatotoxic compounds, such as the use of paints and their derivatives (2-nitropropane, 2-NP), chemical reagents (carbon tetrachloride, CCl4) and exposure to cigarette (2-NP). Therefore, it is interesting the study of therapies to prevent or even reverse the poisoning caused by these compounds. Considering that reactive oxygen species (ROS) have an important role in various diseases, especially in liver diseases, the use of antioxidant therapies should be considered. In this context, the heterocyclic compounds containing selenium in their structures have attracted the attention of researchers. Thus, this study investigated the antioxidant activity of 3-alkynyl selenophenes in models of oxidative damage in vitro and ex vivo in rats (Wistar, male, weighing 200-300g). A class of 3-alkynyl selenophene compounds with different substitutions was tested, with the objective to assess their antioxidant profile and their possible toxic effect in vitro. As a result, 3-alkynyl selenophenes had antioxidant activity, but this activity was dependent on the presence of terminal alkynes in the molecule or easy conversion to it. The possible toxic effect of 3-alkynyl selenophenes was evaluated through the activity of the enzyme δ-aminolevulinate dehydratase (δ-ALA-D) in vitro. The results showed that none of 3-alkynyl selenophenes inhibited the activity of this enzyme, suggesting that this class of compound did not present toxicity on this enzyme. From these results, selenophene h (compound that had the best antioxidant activity in vitro) was selected for the evaluation of its protective effect against oxidative damage induced by 2-NP and CCl4 (ex vivo). Selenophene h (25 mg/kg) protected against the increase of markers of liver damage (aspartate aminotransferase (AST) and alanine aminotransferase (ALT) activities) and oxidative stress induced by administration of 2-NP in rats. 2-NP induced microscopic changes, evaluated by histopathological inspections, that were protected by this compound. Selenophene h showed a protective effect against the increase of lipid peroxidation and inhibition of activity of δ-ALA-D in animals treated with 2-NP. Selenophene h protected against oxidative damage induced by CCl4 in rats. A single dose of CCl4 caused significant hepatotoxicity, evidenced by elevated plasma enzyme activity of AST and ALT, increased incidence of histopathological lesions, increased lipid peroxidation levels and the activity of Glutathione-S-transferase (GST), decreased levels of ascorbic acid and the activity of catalase and δ-ALA-D. In conclusion, 3-alkynyl selenophene protected from all these changes, confirming its hepatoprotective effect. Considering the results, we suggest that 3-alkynyl selenophene, an antioxidant, may be a useful therapy for the oxidative damage induced by 2-NP or CCl4 .
O fígado apresenta extraordinária pluralidade funcional, destacando-se no controle de produção de energia, defesa imunológica e reserva volêmica. No meio ambiente e ocupacionalmente, o ser humano está exposto a uma variedade de compostos hepatotóxicos, como por exemplo, no uso de tintas e seus derivados (2-nitropropano, 2- NP), reagentes químicos (tetracloreto de carbono, CCl4) e na exposição ao cigarro (2-NP). Portanto, é interessante o estudo de terapias que previnam ou até mesmo revertam a intoxicação causada por estes compostos. Considerando que as espécies reativas de oxigênio (EROs) apresentam importante papel sobre diversas patologias, em especial nas doenças hepáticas, o uso de terapias antioxidantes deve ser considerada. Neste contexto, destacam-se os compostos heterocíclicos contendo selênio em sua estrutura. Deste modo, neste estudo investigou-se a atividade antioxidante de 3-alquinil selenofenos em modelos de dano oxidativo in vitro e ex vivo em ratos (Wistar, machos, pesando entre 200 300 g). Para esse fim, testou-se uma classe de compostos 3-alquinil selenofeno, com diferentes substituições na estrutura química, com o objetivo de avaliar o perfil antioxidante e seu possível efeito tóxico in vitro em ratos. Como resultado, 3- alquinil selenofenos tiveram atividade antioxidante, porém esta atividade foi dependente da presença de um alquino terminal na molécula ou da fácil conversão da molécula a um alquino terminal. Além disso, o possível efeito tóxico dos 3-alquinil selenofenos foi avaliado através da atividade da enzima δ-aminolevulinato desidratase (δ-ALA-D) in vitro. Os resultados obtidos demonstraram que nenhum dos 3-alquinil selenofenos testados inibiu a atividade desta enzima, sugerindo que esta classe de compostos não apresentou toxicidade sobre a atividade da δ-ALA-D. A partir destes resultados, selecionou-se o selenofeno h (que obteve melhor atividade antioxidante in vitro) para a avaliação do seu efeito protetor contra o dano oxidativo induzido por 2-NP e CCl4 em ratos (ex vivo). O selenofeno h (25 mg/kg) protegeu contra o aumento dos marcadores de dano hepático (aspartato aminotranferase (AST) e alanina aminotransferase (ALT)) e de estresse oxidativo induzidos pela administração do 2-NP. O 2-NP induziu alterações microscópicas avaliadas por inspeções histopatológicas as quais foram protegidas pelo composto. O selenofeno h demonstrou efeito protetor contra o aumento da peroxidação lipídica e inibição da atividade da δ-ALA-D nos animais tratados com 2-NP. Além disso, o selenofeno h protegeu contra o dano oxidativo induzido pelo CCl4 em ratos. Uma única dose de CCl4 causou significante hepatotoxicidade, evidenciada por elevação da atividade plasmática das enzimas AST e ALT, aumento da incidência de lesões histopatológicas, aumento dos níveis de peroxidação lipídica e da atividade da enzima glutationa-S-transferase (GST), bem como diminuição dos níveis de ácido ascórbico e da atividade das enzimas catalase e δ-ALA-D. A partir dos resultados demonstrados, verificou-se que o selenofeno h protegeu contra todas estas alterações, confirmando o seu efeito hepatoprotetor. Considerando os resultados obtidos, pode-se sugerir que o selenofeno h, uma molécula com atividade antioxidante, pode ser uma útil terapia contra o dano oxidativo induzido pelos hepatotoxicantes: 2-NP e CCl4.
Books on the topic "Selenophene"
Book chapters on the topic "Selenophene"
Wohlfarth, Ch. "Second virial coefficient of poly[(selenophene-2-yl)methyl methacrylate]." In Polymer Solutions, 1106. Berlin, Heidelberg: Springer Berlin Heidelberg, 2010. http://dx.doi.org/10.1007/978-3-642-02890-8_672.
Full textAbdallah, Hassan H., and Ponnadurai Ramasami. "First Principle Study of the Anti– and Syn–Conformers of Thiophene–2–Carbonyl Fluoride and Selenophene–2–Carbonyl Fluoride in the Gas and Solution Phases." In Lecture Notes in Computer Science, 114–21. Berlin, Heidelberg: Springer Berlin Heidelberg, 2009. http://dx.doi.org/10.1007/978-3-642-01973-9_13.
Full textKirsch, G., E. Perspicace, and S. Hesse. "Synthesis and Transformations of 2- and 3-hydroxy-Selenophenes and 2- and 3-Amino-Selenophenes." In Selenium and Tellurium Chemistry, 239–50. Berlin, Heidelberg: Springer Berlin Heidelberg, 2011. http://dx.doi.org/10.1007/978-3-642-20699-3_10.
Full text"Selenophene, Tetrahydroselenophene, Tellurophene, and Tetrahydrotellurophen." In Chemistry of Heterocyclic Compounds: A Series Of Monographs, 479–93. Hoboken, NJ, USA: John Wiley & Sons, Inc., 2008. http://dx.doi.org/10.1002/9780470186527.ch16.
Full text"Condensed Selenophene and Tellurophene Systems." In Chemistry of Heterocyclic Compounds: A Series Of Monographs, 447–61. Hoboken, NJ, USA: John Wiley & Sons, Inc., 2008. http://dx.doi.org/10.1002/9780470186565.ch9.
Full textMurphy, P. J. "By Formylation of a Benzo[]selenophene and Cyclization." In Fused Five-Membered Hetarenes with One Heteroatom, 1. Georg Thieme Verlag KG, 2001. http://dx.doi.org/10.1055/sos-sd-010-00450.
Full textMurphy, P. J. "Benzo[]selenophene-1(3)-thione by Reaction of Benzo[]selenophen-1(3)-imine with Hydrogen Sulfide." In Fused Five-Membered Hetarenes with One Heteroatom, 1. Georg Thieme Verlag KG, 2001. http://dx.doi.org/10.1055/sos-sd-010-00428.
Full textPfeiffer, W. D. "From 2-(Methylselanyl)thiophene-3-carbaldehyde or 2-(Methylselanyl)selenophene-3-carbaldehyde." In Five-Membered Hetarenes with One Chalcogen and One Additional Heteroatom, 1. Georg Thieme Verlag KG, 2002. http://dx.doi.org/10.1055/sos-sd-011-01192.
Full textRanu, Brindaban C., Tubai Ghosh, Laksmikanta Adak, and Subir Panja. "Synthesis and Reactivity of Selenophene and Their Benzo- and Other Carbocyclic-Fused Derivatives." In Reference Module in Chemistry, Molecular Sciences and Chemical Engineering. Elsevier, 2019. http://dx.doi.org/10.1016/b978-0-12-409547-2.14776-6.
Full textPelkey, E. T. "Selenophenes." In Comprehensive Heterocyclic Chemistry III, 975–1006. Elsevier, 2008. http://dx.doi.org/10.1016/b978-008044992-0.00313-8.
Full textConference papers on the topic "Selenophene"
Rampon, Daniel S., Ludger A. Wessjohann, and Paulo H. Schneider. "Palladium-Catalyzed Direct Arylation of Selenophene." In 15th Brazilian Meeting on Organic Synthesis. São Paulo: Editora Edgard Blücher, 2013. http://dx.doi.org/10.5151/chempro-15bmos-bmos2013_2013915174110.
Full textDey, Somnath, Yang Han, Siham Y. Al-Qaradawi, Hassan S. Bazzi, Martin Heeney, and Mohammed Al-Hashimi. "Synthesis and Characterization of Soluble Thiophene-, Selenophene- and Tellurophene-Vinylene Copolymers." In Qatar Foundation Annual Research Conference Proceedings. Hamad bin Khalifa University Press (HBKU Press), 2016. http://dx.doi.org/10.5339/qfarc.2016.eepp1934.
Full textChen, Yih-wen, Jang-yang Chang, and Kai-Ming Chou. "Abstract 3813: DNA polymerase eta and a novel anticancer selenophene compound." In Proceedings: AACR 103rd Annual Meeting 2012‐‐ Mar 31‐Apr 4, 2012; Chicago, IL. American Association for Cancer Research, 2012. http://dx.doi.org/10.1158/1538-7445.am2012-3813.
Full textRietz, Anne, Yih-wen Chen, and Kai-Ming Chou. "Abstract 2029: Interactions between a selenophene compound and DNA polymerase eta." In Proceedings: AACR 104th Annual Meeting 2013; Apr 6-10, 2013; Washington, DC. American Association for Cancer Research, 2013. http://dx.doi.org/10.1158/1538-7445.am2013-2029.
Full textNewby, Josh, and Tiara Sivells. "WEAK HYDROGEN BONDING IN COMPLEXES OF SELENOPHENE AND WATER: A MATRIX ISOLATION FTIR AND COMPUTATIONAL STUDY." In 2020 International Symposium on Molecular Spectroscopy. Urbana, Illinois: University of Illinois at Urbana-Champaign, 2020. http://dx.doi.org/10.15278/isms.2020.tb08.
Full textYang, Yung‐Ning, Wen‐Yu Pan, Ssu‐Ching Yeh, Tsui‐Chun Tsou, Li‐Tzong Chen, and Jang‐Yang Chang. "Abstract B69: Enhancement of nonhomologous end joining DNA repair capacity confers cancer cells resistant to novel selenophene compound D‐501036." In Abstracts: AACR-NCI-EORTC International Conference: Molecular Targets and Cancer Therapeutics--Nov 15-19, 2009; Boston, MA. American Association for Cancer Research, 2009. http://dx.doi.org/10.1158/1535-7163.targ-09-b69.
Full textDhole, Samyak, Rajan Singh, and Roy Paily. "The effects of backbone fluorination on photovoltaic properties of polymers of thiophene, selenophene and tellurophene and their hexyl derivatives: A DFT study." In 2017 Devices for Integrated Circuit (DevIC). IEEE, 2017. http://dx.doi.org/10.1109/devic.2017.8074001.
Full textRampon, Daniel S., Aloir A. Merlo, and Paulo H. Schneider. "Synthesis of New Liquid-Crystalline Selenophenes via Electrophilic Cyclization of (Z)-Selenoenynes." In 14th Brazilian Meeting on Organic Synthesis. São Paulo: Editora Edgard Blücher, 2013. http://dx.doi.org/10.5151/chempro-14bmos-r0011-1.
Full textStein, André L., Alisson R. Rosário, Filipe N. Bilheri, Cristina W. Nogueira, and Gilson Zeni. "FeCl3-Diorganoyl Dichalcogenides Promoted Cyclization to Fused 4-Substituted selenophenes[2,3-b]thiophenes." In 14th Brazilian Meeting on Organic Synthesis. São Paulo: Editora Edgard Blücher, 2013. http://dx.doi.org/10.5151/chempro-14bmos-r0355-1.
Full textReports on the topic "Selenophene"
White, Carter James. Selenophene transition metal complexes. Office of Scientific and Technical Information (OSTI), July 1994. http://dx.doi.org/10.2172/10190649.
Full textSanger, Michael J. Dynamic NMR studies of restricted arene rotation in the chromiu tricarbonyl thiophene and selenophene complexes. Office of Scientific and Technical Information (OSTI), May 1994. http://dx.doi.org/10.2172/10190002.
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