Academic literature on the topic 'Tetrakis derivatives'

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Journal articles on the topic "Tetrakis derivatives"

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Iwamoto, Shintaro, Yuu Inatomi, Daisuke Ogi, et al. "New tris- and pentakis-fused donors containing extended tetrathiafulvalenes: New positive electrode materials for rechargeable batteries." Beilstein Journal of Organic Chemistry 11 (July 8, 2015): 1136–47. http://dx.doi.org/10.3762/bjoc.11.128.

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Derivatives of tris-fused TTF extended with two ethanediylidenes (5), tris- and pentakis-fused TTFs extended with two thiophene-2,5-diylidenes (6–9) were successfully synthesized. Cyclic voltammograms of the tetrakis(n-hexylthio) derivative of 5 and 7 (5d, 7d) consisted of two pairs of two-electron redox waves and two pairs of one-electron redox waves. On the other hand, four pairs of two-electron redox waves and two pairs of one-electron redox waves were observed for the tetrakis(n-hexylthio) derivative of 9 (9d). Coin-type cells using the bis(ethylenedithio) derivatives of 5 (5b), 6 (6b) and
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Fournier, Jean-Hugues, Xin Wang, and James D. Wuest. "Derivatives of tetraphenylmethane and tetraphenylsilane: Synthesis of new tetrahedral building blocks for molecular construction." Canadian Journal of Chemistry 81, no. 5 (2003): 376–80. http://dx.doi.org/10.1139/v03-056.

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Useful derivatives of tetraphenylmethane and tetraphenylsilane have been synthesized by efficient methods that give crystalline products without chromatographic purification. New compounds include tetrakis(4-hydroxyphenyl)methane (21), tetrakis(4-formylphenyl)methane (22), tetrakis[(4-hydroxymethyl)phenyl]methane (23), tetrakis(4-bromophenyl)silane (24), tetrakis(4-iodophenyl)silane (25), tetrakis(4-hydroxyphenyl)silane (26), tetrakis[(4-hydroxymethyl)phenyl]silane (27), and tetrakis[(4-chloromethyl)phenyl]silane (28). These compounds are valuable precursors for the construction of complex mol
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NEDA, Ion, Ionel BALCU, and Corina MACARIE. "Ethoxy-tethered calix[4]arenes containing P(III) substituents and trimethylsiloxy groups as building blocks in supramolecular chemistry; cis/trans intra- and intermolecular complexation of dichloroplatinum(II) fragments." Revue Roumaine de Chimie 66, no. 2 (2021): 149–60. http://dx.doi.org/10.33224/rrch.2021.66.2.05.

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p-tert-Butylcalix[4]arene 1 reacts with bromoethyl acetate and LiAlH4 to form the p-tert-butyl-tetrakis(2-hydroxyethoxy)calix[4]arene 8 bearing four ethyl-spacers at the lower rim of the calixarene. Reaction of 8 with Et2NSiMe3 leads to the tetrakis-substituted derivative 9. Treatment of 9 with PF2Cl gives the stable tetrakis-fluorophosphite 10, while the reaction with 2-chloro-1,3,5-trimethyl-1,3,5-triaza-2σ3λ3-phosphorin-4,6-dione furnishes the tetrakis-substituted molecule 11. When 11 was allowed to react with SO2Cl2, formation of the tetrakis(2-chloro)ethyl substituted calix[4]arene 13 was
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Satta, Giuseppe, Silvia Gaspa, Luisa Pisano, Lidia De Luca, and Massimo Carraro. "5,10,15,20-Tetrakis-(4-(3-carbamoyl-pyridyl)-methylphenyl)porphyrin Bromide." Molbank 2024, no. 2 (2024): M1836. http://dx.doi.org/10.3390/m1836.

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The synthesis of a new tetracationic porphyrin derivative is described. Contrary to the best known derivatives in the literature, which are derived from 5,10,15,20-tetrakis-4-pyridylporphyrin (TPyP), in this procedure we start from 5,10,15,20-tetrakis-(4-carboxymethoxyphenyl)porphyrin (TPPCOOMe), obtained by the condensation reaction between pyrrole and 4-formylbenzoate. The reaction is carried out in refluxed xylene, avoiding the use of halogenated solvents. The final product, 5,10,15,20-tetrakis-(4-(3-carbamoyl-pyridyl)-methylphenyl)porphyrin bromide (P15p), exhibits four cationic portions t
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Jaafar, Mohammed Thamer, Luma Majeed Ahmed, and Rahman Tama Haiwal. "Synthesis, Characterization, and Electrochemical Study of Novel Porphyrin Derivatives as Corrosion Inhibitors for Carbon Steel in HCl Solutions." Indonesian Journal of Chemistry 24, no. 2 (2024): 379. http://dx.doi.org/10.22146/ijc.87682.

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This study involves the synthesis of some porphyrins derivatives, these are termed as 4,4',4'',4'''-(porphyrin-5,10,15,20-tetrayl)tetrakis(N-(6-aminoacridin-3-yl)benzamide) (3a), 4,4',4'',4'''-(porphyrin-5,10,15,20-tetrayl)tetrakis(N-(5-methoxybenzo[d]thiazol-2-yl)benzamide) (3b), 4,4'-(10,20-bis(3-hydroxyphenyl)porphyrin-5,15-diyl)bis(N-(6-aminoacridin-3yl)benzamide) (5a), and 4,4'-(10,20-bis(3-hydroxyphenyl)porphyrin-5,15-diyl)bis(N-(benzo[d]thiazol-2-yl)benzamide) (5b). These derivatives were synthesized using open circuit potential (OCP) and potentiodynamic polarization (PDP) in 0.1 M HCl
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Tanaka, Koichi, Takaichi Hiratsuka, Yuko Kojima, and Yasuko T. Osano. "Synthesis, Structure and Chiral Inclusion Crystallisation of Tetrakis(4-Ethynylphenyl)Ethylene Derivatives." Journal of Chemical Research 2002, no. 5 (2002): 209–12. http://dx.doi.org/10.3184/030823402103171889.

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Achiral host molecules, tetrakis(4-ethynylphenyl)ethylene 3 and tetrakis(4-bromoethynylphenyl)ethylene 4, formed chiral host–guest inclusion crystals with achiral guest molecules via weak intermolecular interactions.
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Ol’shevskaya, Valentina A., Elena G. Kononova, and Andrei V. Zaitsev. "Fluorinated maleimide-substituted porphyrins and chlorins: synthesis and characterization." Beilstein Journal of Organic Chemistry 15 (November 13, 2019): 2704–9. http://dx.doi.org/10.3762/bjoc.15.263.

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Maleimide-containing fluorinated porphyrins and chlorins were prepared based on the reaction of Zn(II) or Ni(II) complexes of 5,10,15,20-tetrakis(4-amino-2,3,5,6-tetrafluorophenyl)porphyrin and chlorin with maleic anhydride. Porphyrin maleimide derivatives were also prepared by the reaction of 5,10,15,20-tetrakis(4-azido-2,3,5,6-tetrafluorophenyl)porphyrinato Zn(II) or Ni(II) with N-propargylmaleimide via the CuAAC click reaction to afford fluorinated porphyrin–triazole–maleimide conjugates. New maleimide derivatives were isolated in reasonable yields and identified by UV–vis, 1H NMR, 19F NMR
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Pedrosa, Leandro F., Marcos C. de Souza, Maria A. F. Faustino, et al. "Porphyrin - Phosphoramidate Conjugates: Synthesis, Photostability and Singlet Oxygen Generation." Australian Journal of Chemistry 64, no. 7 (2011): 939. http://dx.doi.org/10.1071/ch11013.

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meso-Tetrakis(pentafluorophenyl)porphyrin reacts with aminoalkylphosphoramidates to afford porphyrins substituted with one or four phosphoramidate groups in the 4-position of the meso-aryl groups. The new porphyrin derivatives show high photostability and some are better singlet oxygen generators than meso-tetrakis(1-methylpyridinium-4-yl)porphyrin, a well known good singlet oxygen producer.
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Tesakova, M. V., and V. I. Parfenyuk. "Influence of the nature of monomer on electropolymerization processes and physical and chemical properties of films based on hydroxy-substituted tetraphenylporphyrins." Perspektivnye Materialy 3 (2021): 30–41. http://dx.doi.org/10.30791/1028-978x-2021-3-30-41.

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The ability to oxidatively polymerization from a solution in ethanol of tetraphenylporphyrin derivatives: 5,10,15,20-tetrakis(4-hydroxyphenyl)porphyrin, 5,10,15,20-tetrakis(3-hydroxyphenyl)porphyrin, Zn-5,10,15,20-tetrakis(4-hydroxyphenyl)porphyrin, Zn-5,10,15,20-tetrakis(3-hydroxyphenyl)porphyrin were studied. The polymerization of 5,10,15,20-tetrakis(3-hydroxyphenyl)porphyrin does not occur; three of the four studied porphyrins form thin transparent polyporphyrin films tightly adhered to the electrodes surface. The influence of the nature of the monomer, the deposition mode, and the supporti
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Carlucci, Lucia, Gianfranco Ciani, Simona Maggini, et al. "Synthesis and characterization of new tetra-substituted porphyrins with exo-donor carboxylic groups as building blocks for supramolecular architectures: Catalytic and structural studies of their metalated derivatives." Journal of Porphyrins and Phthalocyanines 14, no. 09 (2010): 804–14. http://dx.doi.org/10.1142/s1088424610002641.

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We report herein the synthesis of the porphyrins 5,10,15,20-tetrakis(4-carboxybiphenyl)-porphyrin (H2TCBP) and 5,10,15,20-tetrakis(4-carboxy-2,6-dimethylbiphenyl)porphyrin (H2TCDMBP) bearing diphenyl units on meso-positions, and of their cobalt and silver derivatives. The silver complexes of H2TCDMBP and of H2TCPP ( H2TCPP = 5 ,10,15,20-tetrakis(4-carboxyphenyl)porphyrin) were investigated by X-ray crystallography and their supramolecular organization elucidated. Co(TCBP) was reacted with copper formate, yielding a polymeric compound that showed a catalytic activity in the benzylic amination o
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Dissertations / Theses on the topic "Tetrakis derivatives"

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Liao, Huan-I., and 廖桓毅. "The Derivatives Based on the Core Center Tetrakis(4-aminophenyl)methane:Synthesis and Physical Studies." Thesis, 2015. http://ndltd.ncl.edu.tw/handle/3d234g.

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碩士<br>國立暨南國際大學<br>應用化學系<br>103<br>This study reports the synthesis of the dendrimer and polymer based on the core center, tetrakis(4-aminophenyl)methane, and the properties of the gas adsorption. In addition, a small molecule based on tetrakis(4-aminophenyl)methane was prepared and give good quality of single crystals for crystallography by self-assembly. These crystals, obtained in different temperatures, were studied at the adsorbing properties in solvents.
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Huang, Guo-Zhi, and 黃國智. "Studies on charge-transfer complexes of 1, 3, 6, 8-tetrakis (alkylthio)pyrenes with p-benzoquinone derivatives fused with sulfur-coataining heterocycles." Thesis, 1994. http://ndltd.ncl.edu.tw/handle/84902806538378151829.

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Su, Jia-Yi, and 蘇家誼. "A New Approach to Chiral Tetramic Acid Derivatives." Thesis, 2008. http://ndltd.ncl.edu.tw/handle/k5w7dq.

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Books on the topic "Tetrakis derivatives"

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Nauen, Ralf. Aphid toxicology and plant systemic properties of an isecticidal tetramic acid derivative. University of Portsmouth, School of Biological Sciences, 2002.

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Book chapters on the topic "Tetrakis derivatives"

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Coucouvanis, D., C. N. Murphy, E. Simhon, P. Stremple, M. Draganjac, and Rosario Del Pilar Neira. "6. Tetrakis(Benzenethiolato)Metallate(2-) Complexes, [M(SPh)4 ]2- , of Manganese, Iron, Cobalt, Zinc, and Cadmium and Derivatives of the [Fe(SPh)4 ]2- Complex." In Inorganic Syntheses. John Wiley & Sons, Inc., 2007. http://dx.doi.org/10.1002/9780470132524.ch6.

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Gossauer, Albert. "Monopyrrolic Natural Compounds Including Tetramic Acid Derivatives." In Progress in the Chemistry of Organic Natural Products. Springer Vienna, 2003. http://dx.doi.org/10.1007/978-3-7091-6029-9_1.

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Witulski, B., and C. Alayrac. "Tris- or Tetrakis(dimethylamino)cyclobutenes." In Three Carbon-Heteroatom Bonds: Ketenes and Derivatives. Georg Thieme Verlag KG, 2006. http://dx.doi.org/10.1055/sos-sd-024-00835.

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Schantl, J. G. "Pyrolysis of 1,2,3,3,4,4-Hexafluoro-,,′,′-tetrakis(trifluoromethyl)cyclobutane-1,2-diamine." In Three Carbon-Heteroatom Bonds: Ketenes and Derivatives. Georg Thieme Verlag KG, 2006. http://dx.doi.org/10.1055/sos-sd-024-00261.

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Kantlehner, W. "Synthesis from Alkoxytris(dimethylamino)methanes or Tetrakis(dimethylamino)methane." In Three Carbon-Heteroatom Bonds: Ketenes and Derivatives. Georg Thieme Verlag KG, 2006. http://dx.doi.org/10.1055/sos-sd-024-00598.

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Kantlehner, W. "Synthesis from Anhydrides, Esters, or Amides and Tetrakis(dimethylamino)titanium." In Three Carbon-Heteroatom Bonds: Ketenes and Derivatives. Georg Thieme Verlag KG, 2006. http://dx.doi.org/10.1055/sos-sd-024-00580.

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Taber, Douglass F. "Carbocyclic Ring Construction: The Nicolaou Synthesis of Myceliothermophin E." In Organic Synthesis. Oxford University Press, 2017. http://dx.doi.org/10.1093/oso/9780190646165.003.0082.

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Nan Zheng of the University of Arkansas developed (Adv. Synth. Catal. 2014, 356, 2831) a Ru catalyst for the addition of an amino cyclopropane 1 to an alkyne 2 to give 3. The reaction proceeded with high regiocontrol, but only modest stereocontrol. Alain De Mesmaeker of Syngenta Crop Protection, Switzerland found (Tetrahedron Lett. 2014, 55, 6577) that the β,γ-unsaturated amide 4 worked particularly well as a precursor to the keteniminium that cyclized to give, after hydrolysis, the cyclobuta­none 5. Baeyer–Villiger oxidation of 5 led to 5-deoxystrigol 6. David Tymann and Martin Hiersemann of
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Taber, Douglass. "Stereocontrolled C-O Ring Construction: The Morimoto Synthesis of ( + )-Omaezakianol." In Organic Synthesis. Oxford University Press, 2011. http://dx.doi.org/10.1093/oso/9780199764549.003.0048.

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Tobin J. Marks of Northwestern University observed (J. Am. Chem. Soc. 2009, 131, 263) high geometric control in the cyclization of 1 to 2 . Tristan H. Lambert of Columbia University found (Organic Lett. 2009, 11, 1381) that Bi could catalyze both the addition of the ketene silyl acetal 4 to 3, and the subsequent cyclization of the secondary alcohol so formed, to give the product ether 5 with high diastereocontrol. Glenn M. Sammis of the University of British Columbia devised (Organic Lett. 2009, 11, 2019) a radical relay cyclization of 6 to 7, again with high diastereocontrol. Eric Fillion of
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Taber, Douglass F. "Stereocontrolled C-N Ring Construction: The Takayama Synthesis of Lycoposerramine-C." In Organic Synthesis. Oxford University Press, 2013. http://dx.doi.org/10.1093/oso/9780199965724.003.0053.

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Hideki Yorimitsu and Koichiro Ochima of Kyoto University extended (Angew. Chem. Int. Ed. 2009, 48, 7224) Pd-catalyzed intramolecular carboamidation to the construction of aziridines such as 3. Hamdullah Kilic of Ataturk University showed (J. Org. Chem. 2009, 74, 9452) that aziridination of an allylic alcohol 4 could proceed with substantial diastereocontrol. Makoto Oba of Tokai University established (Tetrahedron Lett. 2009, 50, 5053) a route from a serine derivative 6 to the pyroglutamate 8 and developed a protocol for the conversion of 8 to 9. David Tanner of the Technical University of Denm
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Conference papers on the topic "Tetrakis derivatives"

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Ko, Saebom, Yi-Tsung Lu, Xin Wang, Amy T. Kan, Chong Dai, and Mason B. Tomson. "Deposition Prevention and Removal of Sulfide Scales Using Novel Chemicals." In CORROSION 2020. NACE International, 2020. https://doi.org/10.5006/c2020-14934.

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Abstract Sulfide scales, such as ZnS or FeS, are not as common as carbonate and sulfate scales, but an effective way to control them has not been fully developed. Solubility of ZnS and FeS is extremely low. As a result, it does not require a great amount of metal ions to precipitate sulfide scales. Once they are deposited on the surface, it is difficult to remove them due to their low solubility. The objectives of this study are to identify more effective and efficient chemicals for prevention and removal of sulfide scale deposits and to understand the sulfide scale control mechanism of these
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Ao, Guanghong, Zhengguo Xiao, Yuxiao Wang, Xueru Zhang, and Yinglin Song. "Transient absorption characterization of Cu- and Zn-metallized derivatives of meso-tetrakis(4-caynophenyl) N-confused porphyrin." In Applied Optics and Photonics China (AOPC2015), edited by Shibin Jiang, Lijun Wang, Chun Tang, and Yong Cheng. SPIE, 2015. http://dx.doi.org/10.1117/12.2199634.

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Goo, Youngran, Youngeup Jin, Suhee Song, Jin Young Kim, Kwanghee Lee, and Hongsuk Suh. "The color tuning of PPV derivative by substituted tetrakis-ethylhexyloxy groups." In Integrated Optoelectronic Devices 2008, edited by Klaus P. Streubel and Heonsu Jeon. SPIE, 2008. http://dx.doi.org/10.1117/12.762230.

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