Academic literature on the topic 'Tetraphenyl'

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Journal articles on the topic "Tetraphenyl"

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Schwarz, Marián, Petr Trška, and Josef Kuthan. "NMR spectroscopic investigation of p-substituted 2,4,4,6-tetraphenyl-1,4-dihydropyridines and their oxa and thia analogues." Collection of Czechoslovak Chemical Communications 54, no. 7 (1989): 1854–69. http://dx.doi.org/10.1135/cccc19891854.

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The 1H, 13C and 19F NMR spectra of photochromic p-substituted 2,4,4,6-tetraphenyl-1,4-dihydropyridines IIa-IIg, 1-methyl-2,4,4,6-tetraphenyl-1,4-dihydropyridines IIIa-IIIg, 2,4,4,6-tetraphenyl-4H-pyrans IVa-IVh, and 2,4,4,6-tetraphenyl-4H-thiopyran V were inspected; it was found that compounds IIa-IIg occur in a dynamic equilibrium with their dihydro tautomer VIa-VIg. Also deuteriodeprotonation of IIa and IIIa and their reaction with trifluoroacetic acid were investigated by NMR spectroscopy.
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Schumann, Herbert, and Klaudia Sühring. "Di-, Hexa- und Deca-substituierte Decaphenylferrocene / Di-, Hexa- and Deca-Substituted Decaphenylferrocenes." Zeitschrift für Naturforschung B 60, no. 4 (2005): 383–88. http://dx.doi.org/10.1515/znb-2005-0404.

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5-Bromo-1,2,3,4-tetraphenyl-5-p-tolyl-1,3-cyclopentadiene (1a), 5-Bromo-1,4-di-phenyl-2,3,5- tri-p-tolyl-1,3-cyclopentadiene (1b), 5-Bromo-1,2,3,4,5-penta-p-tolyl-1,3-cyclopentadiene (1c), 5- Bromo-1,2,3,4-tetraphenyl-5-p-bromophenyl-1,3-cyclopentadiene (1d), and 5-Bromo-1,2,3,4-tetraphenyl- 5-p-anisyl-1,3-cyclopentadiene (1e) react with ironpentacarbonyl in m-xylene to yield the corresponding ferrocenes 2a - 2e. In the course of the purification procedure, reactions with HCl and the solvent m-xylene are observed which yield the mixed ionic sandwich complexes [(C5Ph4C6H4Me)Fe(C6H4Me2)]+Cl− (3a
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Chen, Tsu-yu Raymond, Mark R. Anderson, and Dennis G. Peters. "Electrochemistry of 1,1,4,4-tetraphenyl-1,3-butadiene, 1,1,4,4-tetraphenyl-1,2-butadiene, and 1,1,4,4-tetraphenyl-1-butene in dimethylformamide." Journal of Electroanalytical Chemistry and Interfacial Electrochemistry 197, no. 1-2 (1986): 341–58. http://dx.doi.org/10.1016/0022-0728(86)80159-0.

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Liu, Zishan, Liang Dong, Feifeng Li, Changjun Hou, Kun He, and Danqun Huo. "Determination of the binding mechanism of cobalt(II) meso-tetraphenyl porphyrin with plant-esterase." Polish Journal of Chemical Technology 23, no. 1 (2021): 25–30. http://dx.doi.org/10.2478/pjct-2021-0004.

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Abstract Plant-esterase (EC 3.1.1.X) has received much attention because plant esterase and acetylcholinesterase (AChE) share a similar sensitivity towards organophosphorus (OP) pesticides detection with the same inhibition mechanism. To improve the analytical performance, tetraphenyl metal porphyrin, as an indicator was introduced to combine with plant-esterase. The time of reach equilibrium in PBS solution was shortened after adding plant-esterase by assaying the intensify change of the porphyrin spectrum. Meanwhile, intensify of porphyrin spectrum with plant-esterase was increased compared
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Xie, Jin-Sheng, Xiao-Yun Hu, Zi-Xing Shan, and Zhong-Qiang Zhou. "A Straightforward and Practical Approach to Chiral Inducer: (2R,3R)-1,4-Dimethoxy-1,1,4,4-tetraphenylbutane-2,3-diol." Australian Journal of Chemistry 68, no. 6 (2015): 995. http://dx.doi.org/10.1071/ch14505.

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A straightforward and practical access to chiral inducer (2R,3R)-1,4- dimethoxyl-1,1,4,4-tetraphenyl-2,3-diol has been developed. It is based on highly regioselective 2,3-cyclosulfitation of (2R,3R)-1,1,4,4-tetraphenyl-butanetetraol, in which selective protection of the secondary hydroxyls and chlorination of the tertiary hydroxyls of (2R,3R)-1,1,4,4-tetraphenyl-butanetetraol are accomplished via one step. In the preparation, methanol was used as a methylating reagent and common alkali liquor was used for cleavage of the protection group. It may be one of the most straightforward and practical
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Ogikubo, Junichi, Eileen Meehan, James T. Engle, Christopher J. Ziegler, and Christian Brückner. "Oxazolochlorins. 9.meso-Tetraphenyl-2-oxabacteriochlorins andmeso-Tetraphenyl-2,12/13-dioxabacteriochlorins." Journal of Organic Chemistry 78, no. 7 (2013): 2840–52. http://dx.doi.org/10.1021/jo400031r.

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Hanson, A. W., A. W. McCulloch, and A. G. McInnes. "Structural studies of 1,3-dioxa-2-silacycloalkanes." Canadian Journal of Chemistry 64, no. 7 (1986): 1400–1407. http://dx.doi.org/10.1139/v86-239.

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Crystal structure analyses of 1,3-dioxa-2,2-diphenyl-2-sila-5,6-benzocycloheptane (1), 2,9-disila-1,3,8,10-tetraoxa-2,2,9,9-tetraphenyl-5,6,12,13-dibenzocyclotetradecane (2), 2,10-disila-2,2,10,10-tetramethyl-1,3,9,11-tetraoxa-5,7,13,15-dibenzocyclohexadecane (3), 2,7-disila-2,2,7,7-tetramethyl-1,3,6,8-tetraoxa-4,5,9,10-dibenzocyclodecane (4), and 2,4-disila-2,2,4,4-tetraphenyl-1,3,5-trioxa-6,7-benzocycloheptane (11) are reported. Facile acid-catalyzed reaction of 2,7-disila-1,3,6,8-tetraoxa-2,2,7,7-tetraphenyl-4,5,9,10-dibenzocyclodecane (8) with water gives 1,3-di(2-hydroxyphenoxy)-1,3-disil
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He, Jiliang, and John F. Harrod. "Cyclization of Ph2Si(NHNHMe)2. II. Reactions with methyl iodide, HCl, and Ph2SiCl2, and thermolysis." Canadian Journal of Chemistry 72, no. 8 (1994): 1759–63. http://dx.doi.org/10.1139/v94-222.

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The reaction of Ph2Si(NHNHMe)2 (1) with MeI results in a mixture of two six-membered ring isomers, 1,2,4,5-tetraaza-1,4-dimethyl-3,3,6,6-tetraphenyl-3,6-disilacyclohexane (2), 45%, and 1,2,4,5-tetraaza-1,5-dimethyl-3,3,6,6-tetraphenyl-3,6-disilacyclohexane (3), 40%. The reaction of 1 with HCl or Ph2SiCl2 proceeds in a similar fashion. The thermolysis of 1 is studied from 25–600 °C. In the range of 250–300 °C, about 50% of 1 is converted into 2,3, and 1,2,4-triaza-1-methyl-4-methylamino-3,3,5,5-tetraphenyl-3,5-disilacyclopentane, 8. Possible pathways for the formation of 2,3, and 8 in these cyc
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Wang, Yanling, Qiang Peng, Ying Liang, Benlin Li, and Weiguo Zhu. "Theoretical Study of Optical and Electronic Properties of Unsymmetrical Dendritic Molecules with Different Bridge Moieties." Australian Journal of Chemistry 64, no. 11 (2011): 1475. http://dx.doi.org/10.1071/ch11114.

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Molecules bearing polyphenylphenyl dendrons show great potential for applications in organic light-emitting diodes. In this paper, quantum-chemical calculations have been applied to investigate the structural and electronic properties of typical molecules bearing polyphenylphenyl dendrons, 2-(2′,3′,4′,5′-tetraphenyl)phenyl-5-(p-N,N-dimethyl)phenyl pyridine (A), 1-(2′,3′,4′,5′-tetraphenyl)phenyl-4-(p-N,N-dimethyl)phenyl benzene (B), 2-(2′,3′,4′,5′-tetraphenyl)phenyl-5-(p-N,N-dimethyl)phenyl thiophene (C), 1-(2′,3′,4′,5′-tetraphenyl)phenyl-2,5-dimethoxy-4-(p-N,N-dimethyl)phenyl benzene (D), and
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Dueno, Eric E., Ricky Joseph Paul Gibson, Ralph Nicholas Salvatore, Robert D. Pike, and Cesar H. Zambrano. "2,2,3,3′-Tetraphenyl-7,7′-biquinoxaline." Acta Crystallographica Section E Structure Reports Online 64, no. 1 (2007): o110—o111. http://dx.doi.org/10.1107/s1600536807033521.

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Dissertations / Theses on the topic "Tetraphenyl"

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Hoang, Mary. "Preparation and photochemistry of symmetrical p-substituted-1,1,2,2-tetraphenyl-1,2-ethanediols." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 1997. http://www.collectionscanada.ca/obj/s4/f2/dsk2/ftp04/mq22828.pdf.

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Omapinyan, Sriwalai Chaisang. "Vibrational spectroscopy of porphyrins, phthalocyanines and tetraphenyl derivatives of group IV-A elements." Thesis, University of East Anglia, 1997. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.361416.

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Warner, Stephanie D. "High-pressure vibrational spectroscopic studies : (i) group 14 tetraphenyl compounds: (ii) hydrogen-bonded species." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 1997. http://www.collectionscanada.ca/obj/s4/f2/dsk1/tape11/PQDD_0005/MQ44313.pdf.

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Ramasubramanian, Lavanya. "Cosolvent effects on the reductive dechlorination of tetrachloroethylene catalyzed by iron tetraphenyl porphyrin chloride." Connect to this title online, 2007. http://etd.lib.clemson.edu/documents/1202417223/.

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Donehue, Jessica Erin. "Excited state dynamics of 1,4-diphenyl-1,3-butadiene and 1,1,4,4-tetraphenyl-1,3-butadiene probed by time-resolved electronic spectroscopy." Connect to resource, 2009. http://hdl.handle.net/1811/37111.

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Fatayer, Shadi Passam 1989. "Tailoring nanostructures of tetraphenyl porphyrins and phthalocyanines on metallic surfaces = Construção de nanoestruturas de tetrafenil porfirinas e ftalocianinas em superfícies metálicas." [s.n.], 2014. http://repositorio.unicamp.br/jspui/handle/REPOSIP/276984.

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Orientador: Abner de Siervo<br>Dissertação (mestrado) - Universidade Estadual de Campinas, Instituto de Física Gleb Wataghin<br>Made available in DSpace on 2018-08-24T13:15:36Z (GMT). No. of bitstreams: 1 Fatayer_ShadiPassam_M.pdf: 3223190 bytes, checksum: f98805b3695907c808260ec6d392c1b8 (MD5) Previous issue date: 2014<br>Resumo: O estudo de sistemas moleculares em cima de substratos metálicos tem atraído uma crescente atenção da comunidade científica. O melhor entendimento sobre as características de auto-organização e a habilidade de controlá-las em moléculas tem gerado formas mais barata
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Eagan, Robert Lee. "Investigation of the steric and/or electronic effects associated with the (1,5)-sigmatropic rearrangement of 1-substituted-2,3,4,5-tetraphenyl- 2,4-cyclopentadien-1-ols." Diss., Virginia Polytechnic Institute and State University, 1986. http://hdl.handle.net/10919/74730.

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A series of eight l-substituted-2,3,4,5-tetraphenyl-2,4-cyclopentadien-l-ols were efficiently synthesized by the addition of the appropriate organometallic reagent to tetracyclone. It was determined that the steric and electronic nature of the migrating groups played a predictable role in the [l,5]-sigmatropic rearrangement of these compounds. Electron donating groups increased the rate of migration whereas electron withdrawing substituents were responsible for slowing the migration. Likewise, smaller groups accelerated the rate while bulky groups deterred the migration. Consequently, the expe
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Davis, David Richard. "Synthesis and Mesogenic Properties of Liquid Crystals with Bent Core-Tail Substitution Geometry." Kent State University / OhioLINK, 2013. http://rave.ohiolink.edu/etdc/view?acc_num=kent1374770168.

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Kahef, Lana el. "Oxydation des mesotetraphenyl porphyrines : beta-substitution par voie electrochimique directe." Université Louis Pasteur (Strasbourg) (1971-2008), 1987. http://www.theses.fr/1987STR13221.

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Hägele, Constanze. "Struktur-Eigenschaftsbeziehungen in homologen Reihen flüssigkristalliner diskotischer Tetraphenylen-Derivate." Berlin mbv, 2008. http://d-nb.info/98997961X/04.

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Book chapters on the topic "Tetraphenyl"

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Bährle-Rapp, Marina. "Tetramethyl Tetraphenyl Trisiloxane." In Springer Lexikon Kosmetik und Körperpflege. Springer Berlin Heidelberg, 2007. http://dx.doi.org/10.1007/978-3-540-71095-0_10467.

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Winkelmann, Jochen. "Diffusion coefficient of tetraphenyl-ethene in cyclohexane." In Diffusion in Gases, Liquids and Electrolytes. Springer Berlin Heidelberg, 2017. http://dx.doi.org/10.1007/978-3-540-73735-3_993.

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Winkelmann, Jochen. "Diffusion coefficient of tetraphenyl-ethene in hexane." In Diffusion in Gases, Liquids and Electrolytes. Springer Berlin Heidelberg, 2017. http://dx.doi.org/10.1007/978-3-540-73735-3_994.

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Houser, Eric J., and Teddy M. Keller. "Synthesis and Characterization of Linear Tetraphenyl—Tetramethyldisiloxane Diacetylene Copolymers." In Synthesis and Characterization of Advanced Materials. American Chemical Society, 1997. http://dx.doi.org/10.1021/bk-1998-0681.ch020.

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Winkelmann, Jochen. "Diffusion coefficient of tetraphenyl-ethene in 2,6,10,15,19,23-hexamethyl-tetracosane." In Diffusion in Gases, Liquids and Electrolytes. Springer Berlin Heidelberg, 2017. http://dx.doi.org/10.1007/978-3-540-73735-3_992.

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Winkelmann, Jochen. "Diffusion coefficient of 5,6,11,12-tetraphenyl-naphthacene in 2,6,10,15,19,23-hexamethyl-tetracosane." In Diffusion in Gases, Liquids and Electrolytes. Springer Berlin Heidelberg, 2017. http://dx.doi.org/10.1007/978-3-540-73735-3_978.

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Winkelmann, Jochen. "Diffusion coefficient of 1,1,4,4-tetraphenyl-1,3-butadiene in methyl-cyclohexane." In Diffusion in Gases, Liquids and Electrolytes. Springer Berlin Heidelberg, 2017. http://dx.doi.org/10.1007/978-3-540-73735-3_1006.

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Winkelmann, Jochen. "Diffusion coefficient of 1,1,4,4-tetraphenyl-1,3-butadiene in butyl-cyclohexane." In Diffusion in Gases, Liquids and Electrolytes. Springer Berlin Heidelberg, 2017. http://dx.doi.org/10.1007/978-3-540-73735-3_1008.

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Winkelmann, Jochen. "Diffusion coefficient of 5,10,15,20-tetraphenyl-21H,23H-porphine in acetonitrile." In Diffusion in Gases, Liquids and Electrolytes. Springer Berlin Heidelberg, 2017. http://dx.doi.org/10.1007/978-3-540-73735-3_1040.

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Winkelmann, Jochen. "Diffusion coefficient of 5,10,15,20-tetraphenyl-21H,23H-porphine in benzene." In Diffusion in Gases, Liquids and Electrolytes. Springer Berlin Heidelberg, 2017. http://dx.doi.org/10.1007/978-3-540-73735-3_1041.

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Conference papers on the topic "Tetraphenyl"

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Kladsomboon, Sumana, Sirapat Pratontep, Sureeporn Uttiya, and Teerakiat Kerdcharoen. "Alcohol gas sensors based on magnesium tetraphenyl porphyrins." In 2008 2nd IEEE International Nanoelectronics Conference. IEEE, 2008. http://dx.doi.org/10.1109/inec.2008.4585555.

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Prasad, B. R., Sangeneni Mohan, C. K. Subramanian, and P. S. Narayanan. "Optical phase conjugation studies in metal substituted tetraphenyl porphines." In Emerging OE Technologies, Bangalore, India, edited by Krishna Shenai, Ananth Selvarajan, C. K. N. Patel, C. N. R. Rao, B. S. Sonde, and Vijai K. Tripathi. SPIE, 1992. http://dx.doi.org/10.1117/12.636918.

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Fang Chen, Zhenzhu Hu, and Zhenli Deng. "Study on the interaction between BSA and tetraphenyl-porphyrin derivatives." In 2011 International Conference on Remote Sensing, Environment and Transportation Engineering (RSETE). IEEE, 2011. http://dx.doi.org/10.1109/rsete.2011.5966016.

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Lane, Paul A., and Tim H. Richardson. "Fluorescent detection of NO 2 by free base tetraphenyl porphyrins." In SPIE Photonic Devices + Applications, edited by Ruth Shinar and Ioannis Kymissis. SPIE, 2011. http://dx.doi.org/10.1117/12.896192.

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Huang, Jinman, Yi Yang, Shanhua Xue, et al. "Electroluminescence from the 1,1,4,4-tetraphenyl-1,3-butadiene-doped polymeric Langmuir-Blodgett films." In SPIE's International Symposium on Optical Science, Engineering, and Instrumentation, edited by Zakya H. Kafafi. SPIE, 1998. http://dx.doi.org/10.1117/12.332626.

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MAT SALLEH, MUHAMAD, AKRAJAS, and MUHAMMAD YAHAYA. "ELECTROCHROMIC SENSING OF CHLORIDE USING N-TETRAPHENYL PORPHINE MANGANESE (III) CHLORIDE LANGMUIR-BLODGETT FILMS." In Proceedings of the 8th Asian Conference. WORLD SCIENTIFIC, 2002. http://dx.doi.org/10.1142/9789812776259_0049.

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Rajesh Kumar, P. C., L. M. Clavian, K. V. Anil Kumar, D. Narayana Rao, N. K. Shihab, and Ganesh Sanjeev. "Intensity dependent third order optical nonlinearity of zinc-tetraphenyl porphyrin ultrathin film in nano-second regime." In DAE SOLID STATE PHYSICS SYMPOSIUM 2018. AIP Publishing, 2019. http://dx.doi.org/10.1063/1.5113168.

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Reports on the topic "Tetraphenyl"

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Klepeis, J., W. Evans, N. Zaitseva, E. Schwegler, and S. Teat. Crystallographic Information File of 1,1,tetraphenyl-1,3-butadiene. Office of Scientific and Technical Information (OSTI), 2009. http://dx.doi.org/10.2172/963124.

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