Academic literature on the topic 'Thiophene derivatives'

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Journal articles on the topic "Thiophene derivatives"

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Clark, Peter D., Nicholas M. Irvine, and Pratibha Sarkar. "The synthesis of 3H-naphthol[1,8-bc]thiophene derivatives." Canadian Journal of Chemistry 69, no. 6 (1991): 1011–16. http://dx.doi.org/10.1139/v91-148.

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Methods for the synthesis of keto derivatives of the little studied naphtho[1,8-bc]thiophene system have been developed. Using the readily available benzothiophene derivative 6,7-dihydrobenzo[b]thiophen-4(5H)-one 4, a 3-keto-naphtho[1,8-bc]thiophene 14 was synthesized by a tin(IV) chloride catalyzed cyclization of the acid chloride derivative of the saturated acid 13b. The bicyclic ketone 4 was also used to prepare the keto-sulfoxide 7, which was cyclized to the 4-keto-naphtho[1,8-bc]thiophene system 9 in a Pummerer-type rearrangement. Key words: synthesis, organosulfur, naphtho[1,8-bc]thiophe
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Duc, Dau Xuan. "Recent Progress in the Synthesis of Benzo[b]thiophene." Current Organic Chemistry 24, no. 19 (2020): 2256–71. http://dx.doi.org/10.2174/1385272824999200820151545.

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: Benzo[b]thiophenes are aromatic heterocyclic compounds containing benzene and thiophene rings. This class of heterocycles is present in a large number of natural and non-natural compounds. Benzo[b]thiophene derivatives have a broad range of applications in medicinal chemistry such as antimicrobial, anticancer, antioxidant, anti-HIV and antiinflammatory activities. The use of benzo[b]thiophene derivatives in other fields has also been reported. Various benzo[b]thiophenes compounds have been employed as organic photoelectric materials, while several benzo[b]thiophenes have been used as organic
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Vu Quoc, Trung, Duong Tran Thi Thuy, Thuan Dang Thanh, et al. "Some chalcones derived from thiophene-3-carbaldehyde: synthesis and crystal structures." Acta Crystallographica Section E Crystallographic Communications 75, no. 7 (2019): 957–63. http://dx.doi.org/10.1107/s2056989019007503.

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The synthesis, spectroscopic data and crystal and molecular structures of four 3-(3-phenylprop-1-ene-3-one-1-yl)thiophene derivatives, namely 1-(4-hydroxyphenyl)-3-(thiophen-3-yl)prop-1-en-3-one, C13H10O2S, (1), 1-(4-methoxyphenyl)-3-(thiophen-3-yl)prop-1-en-3-one, C14H12O2S, (2), 1-(4-ethoxyphenyl)-3-(thiophen-3-yl)prop-1-en-3-one, C15H14O2S, (3), and 1-(4-bromophenyl)-3-(thiophen-3-yl)prop-1-en-3-one, C13H9BrOS, (4), are described. The four chalcones have been synthesized by reaction of thiophene-3-carbaldehyde with an acetophenone derivative in an absolute ethanol solution containing potass
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Sikha, Lahiri, and K. Sen P. "Cyclohepta[b]thiophene derivatives. Part-IV. Dehydrogenation of cyclohepta[b]thiophene and cyclohepta[c]thiophene derivatives." Journal of Indian Chemical Society Vol. 76, Apr 1999 (1999): 209–12. https://doi.org/10.5281/zenodo.5848369.

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Department of Chemistry, Presidency College, Calcutta-700 073, India <em>Manuscript received 23 March 1998, revised 26 October 1998, accepted 16 December 1998</em> Cyclohepta[<em>b</em>]thiophenes 3 and cyclohepta[<em>c</em>]thiophene 4 on dehydrogenation with selenium give a complex mixture of dehydrogenated products. The formation of the identified products is explained through the initial homolytic cleavage at more than one particular bond in the cycloheptane moiety of 3 and 4. In all these cases ring contraction of the seven-membered ring of the thiophenes 3 and 4 is observed.
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Arrousse, N., Y. Fernine, Nabil Al-Zaqri, et al. "Thiophene derivatives as corrosion inhibitors for 2024-T3 aluminum alloy in hydrochloric acid medium." RSC Advances 12, no. 17 (2022): 10321–35. http://dx.doi.org/10.1039/d2ra00185c.

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Thiophene derivatives: thiophene-2-carbaldehyde oxime (OXM) and 5-(thiophen-2-yl)-1H-tetrazole (TET), were synthesized and characterized. Furthermore, their inhibitory property for AA2024-T3 in 1 M HCl solution was investigated via electrochemical and with theoretical study.
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Margl, Lilla, Andreas Tei, István Gyurján, and Michael Wink. "GLC and GLC-MS Analysis of Thiophene Derivatives in Plants and in in vitro Cultures of Tagetes patula L. (Asteraceae)." Zeitschrift für Naturforschung C 57, no. 1-2 (2002): 63–71. http://dx.doi.org/10.1515/znc-2002-1-211.

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The occurrence of thiophenic compounds in diverse plant organs and in in vitro root-, callus- and cell suspension cultures of Tagetes patula cv. Carmen was investigated using capillary GLC and GLC-MS. The separation of thiophenes by capillary GLC and the group specific MS fragmentation with the typical sulfur isotope peaks allowed the unequivocal assignment of individual thiophenes in complex mixtures, even when occurring in traces and in the presence of different geometrical isomers. The extracts of Tagetes patula cv. Carmen contained the following 8 thiophene compounds: 5-(3-buten-1-ynyl)-2,
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Zhou, Yue, Jie Hao, and Dongbing Zhao. "Divergent synthesis of 3-substituted thieno[3,4-b]thiophene derivatives via hydroxy-based transformations." Materials Chemistry Frontiers 3, no. 7 (2019): 1422–26. http://dx.doi.org/10.1039/c9qm00128j.

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Modular assembly of 3-substituted thieno[3,4-b]thiophenes: we have developed the first Pd-catalytic method to access 3-hydroxythieno[3,4-b]thiophene-2-carboxylate, which can be widely utilized for modular assembly of structurally diverse 3-substituted thieno[3,4-b]thiophene derivatives.
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Ibrahim, Sabrin R. M., Abdelsattar M. Omar, Alaa A. Bagalagel, et al. "Thiophenes—Naturally Occurring Plant Metabolites: Biological Activities and In Silico Evaluation of Their Potential as Cathepsin D Inhibitors." Plants 11, no. 4 (2022): 539. http://dx.doi.org/10.3390/plants11040539.

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Naturally, thiophenes represent a small family of natural metabolites featured by one to five thiophene rings. Numerous plant species belonging to the family Asteraceae commonly produce thiophenes. These metabolites possessed remarkable bioactivities, including antimicrobial, antiviral, anti-inflammatory, larvicidal, antioxidant, insecticidal, cytotoxic, and nematicidal properties. The current review provides an update over the past seven years for the reported natural thiophene derivatives, including their sources, biosynthesis, spectral data, and bioactivities since the last review published
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Sereda, Grigoriy, Akash Mamon Sarkar, Anwar Hussain, and Nikolai Zefirov. "Solvent-Free and Liquid-Phase Iodination of Thiophene Derivatives with Potassium Dichloroiodate Monohydrate." Synthesis 52, no. 07 (2020): 1140–46. http://dx.doi.org/10.1055/s-0039-1690795.

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Iodination of a series of benzene and thiophene derivatives by potassium dichloroiodate monohydrate was studied with and without a solvent. The liquid substrates tend to be more reactive in water while the solid substrates afford better yields in dichloromethane or under the solvent-free conditions. The 2-substituted thiophenes show good to excellent yields whereas the yield for 3-substituted and 3,4- or 2,4-disubstituted thiophenes and benzene derivatives are significantly lower. The mechanochemical reaction of 5-carbaldehyde-2,2′-bithiophene shows excellent yields, while 2,2′-bithiophene giv
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Mahyavanshi, Jyotindra, Snehal Lokhandwala, Jayesh Pandya, and Jigar Patel. "Synthesis, Structural Determination, Docking Study and Bioactivity of Novel Thiophene Derivatives." Asian Journal of Chemistry 36, no. 6 (2024): 1321–26. http://dx.doi.org/10.14233/ajchem.2024.31509.

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The present study reveals 4-methyl-3-(propylamino)thiophene-2-carboxylic acid (Articaine acid) as precursor derivative to synthesize novel thiophene compounds to evaluate their biological activity. The synthesized compounds were subjected to comprehensive characterization techniques including mass spectra, NMR and IR spectroscopy, confirming their structural integrity. Their antimicrobial activity was assessed via minimum inhibitory concentration (MIC) assay against selected bacterial strains. The results emphasize the potential therapeutic applications of these thiophene analogues as efficaci
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Dissertations / Theses on the topic "Thiophene derivatives"

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Thomas, Mary Solly. "Complexes of thiophene derivatives as potential metallomesogens." Thesis, Pretoria : [s.n.], 2006. http://upetd.up.ac.za/thesis/available/etd-12072006-171634.

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Weddell, Derek Alexander. "Synthesis, structure determination and mechanism in thiophene derivatives." Thesis, Nottingham Trent University, 2001. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.343542.

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Alaviuhkola, T. (Terhi). "Aromatic borate anions and thiophene derivatives for sensor applications." Doctoral thesis, University of Oulu, 2007. http://urn.fi/urn:isbn:9789514286575.

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Abstract This study was part of a project targeted at developing chemical sensors for organic cations and metal ions by exploiting the interactions between cations and anionic borate derivatives. As well, the chemical synthesis of thiophene monomers with charged or neutral ion-recognition sites was investigated. The primary task in the first part of the work was to prepare anionic receptor molecules based on synthesized borate derivatives and study their complexation with N-heteroaromatic and tropylium cations. The complexation was studied in solution by 1H NMR and ESIMS techniques and in so
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Cannon, Benjamin Tyree. "Thiophene and Derivatives for Use in Pyridazines and Thiapentalenes." TopSCHOLAR®, 2015. http://digitalcommons.wku.edu/theses/1476.

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This thesis introduces the idea of Band Theory and how it can be used to describe a solid-state materials ability to carry an electrical charge. Next, this thesis defines what makes a material a conductor, semiconductor, or insulator. Semiconductors are attracting interest in chemistry, as well as in the manufacturing of consumer electronics, because of their ability to carry a charge, without the risk of short-circuiting like traditional conductors.1,4 Organic semiconductors, which behave differently than traditional semiconductors, are of particular interest because they offer mechanical fle
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Tirkes, Seha. "Synthesis, Characterization, And Polymerization Of Polyether Bridged Thiophene And Aniline Derivatives." Phd thesis, METU, 2008. http://etd.lib.metu.edu.tr/upload/3/12609399/index.pdf.

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New compounds consisting of 3-thienyl and aniline units linked by polyether bridges have been synthesized and their electrochemical polymerization was performed via constant potential electrolysis and cyclic voltammetry. In the case of 3-thienyl derivatives two compounds, 1,12-di-3-thienyl-2,5,8,11-tetraoxadodecane (MI) and 1,15-di-3-thienyl-2,5,8,11,14-pentaoxapentadecane (MII) were synthesized utilizing literature methods and their corresponding polymers, poly(I) and poly(II) were prepared in an electrolytic solution containing 0.1 M terabutylammonium hexafluorophosphate (TBAPF6) dissolved i
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Hunziker, Christoph. "Crystalline thiophene and phenolic polyene derivatives for organic electronic and photonic applications /." Zürich : ETH, 2008. http://e-collection.ethbib.ethz.ch/show?type=diss&nr=18032.

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Asil, Demet. "A Glow In The Dark: Synthesis And Electropolymerization Of Chemiluminescent Thiophene Derivatives." Master's thesis, METU, 2008. http://etd.lib.metu.edu.tr/upload/3/12609863/index.pdf.

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ABSTRACT A GLOW IN THE DARK: SYNTHESIS AND ELECTROPOLYMERIZATION OF CHEMILUMINESCENT THIOPHENE DERIVATIVES Asil, Demet M.Sc., Department of Chemistry Supervisor : Prof. Dr. Ahmet M. &Ouml<br>nal Co-Supervisor: Assist. Prof. Dr. Atilla Cihaner September 2008, 63 Pages Two novel chemiluminescent monomers, 2,3-dihydrothieno(3,4-d)pyridazine-1,4-dione (T-Lum) and 5,7-di-thiophen-2-yl-2,3-dihydro-thieno[3,4-d]pyridazine-1,4-dione (TTT-Lum), were synthesized. The reaction between T-Lum and TTT-Lum in alkaline solution with H2O2 gave chemiluminescence which can be catalyzed using Fe(III)
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Dang, Xuan Dung. "Electrosynthesis and characterization of thin copolymer films based on pyrrole and thiophene derivatives." Doctoral thesis, Saechsische Landesbibliothek- Staats- und Universitaetsbibliothek Dresden, 2005. http://nbn-resolving.de/urn:nbn:de:swb:14-1125491701029-31683.

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Die Copolymerisation wurde mit dem Ziel untersucht, polymere Materialien zu synthetisieren, die die individuellen Eigenschaften der entsprechenden Homopolymere kombinieren. Die Dissertation konzentrierte sich auf die Elektrosynthese und Charakterisierung von leitfähigen Copolymerfilmen auf Basis von Pyrrol- und Thiophenderivaten. Mit einer Reihe von elektrochemischen, spektroskopischen und mikroskopischen Untersuchungsmethoden (Zyklovoltammetrie, elektrochemische Impedanz-spektroskopie, photoelektrochemische Spektroskopie, Elektrospray- Ionisations-Massenspektroskopie, Festkörper- NMR, Raman-S
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Aslan, Evren. "Characterization Of Conducting Polymers Of Ester Linkage Containing Thiophene Derivatives Via Mass Spectroscopy." Master's thesis, METU, 2004. http://etd.lib.metu.edu.tr/upload/12605704/index.pdf.

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ABSTRACT CHARACTERIZATION OF CONDUCTING POLYMERS OF ESTER LINKAGE CONTAINING THIOPHENE DERIVATIVES VIA MASS SPECTROSCOPY Aslan, Evren M.Sc., Department of Chemistry Supervisor: Prof. Dr. Levent Toppare Co-Supervisor: Prof.Dr. Jale Hacaloglu December 2004, 86 pages In order to investigate the thermal and structural characteristics of terepthalic acid bis-(2-thiophen-3-yl-ethyl)ester (TATE), decanedioic acid bis-(2-thiophen-3-yl- ethyl) ester (DATE) and octanoic acid 2-thiophen-3-yl-ethyl ester (OTE), their corresponding homopolymers, copolymers with thiophene and polythiophene, pyroly
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Chen, Qiao. "The chemistry of benzoate, 3-thiophene carboxylate, nitrobenzene and its derivatives on Cu(110) surface." Thesis, University of Liverpool, 1998. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.366270.

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Books on the topic "Thiophene derivatives"

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1928-, Gronowitz Salo, ed. Thiophene and its derivatives. Wiley, 1985.

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1928-, Gronowitz Salo, ed. Thiophene and its derivatives. Wiley, 1992.

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1928-, Gronowitz Salo, ed. Thiophene and its derivatives. Wiley, 1986.

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1928-, Gronowitz Salo, ed. Thiophene and its derivatives. Wiley, 1986.

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Salo, Gronowitz, ed. Thiophene and its derivatives. Wiley, 1985.

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Hartough, Howard D. Thiophene and Its Derivatives. Wiley & Sons, Incorporated, John, 2009.

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1928-, Gronowitz Salo, ed. Thiophene and its derivatives. Wiley, 1991.

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Hartough, Howard D. Thiophene and Its Derivatives. Wiley & Sons, Incorporated, John, 2008.

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Gronowitz, Salo. Thiophene and Its Derivatives, Part 3. Wiley & Sons, Incorporated, John, 2009.

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Gronowitz, Salo. Thiophene and Its Derivatives, Part 4. Wiley & Sons, Incorporated, John, 2009.

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Book chapters on the topic "Thiophene derivatives"

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Frank, J. Howard, J. Howard Frank, Michael C. Thomas, et al. "Polyacetylenes (and Their Thiophene Derivatives)." In Encyclopedia of Entomology. Springer Netherlands, 2008. http://dx.doi.org/10.1007/978-1-4020-6359-6_3033.

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Gronowitz, Salo, and Anna-Britta Hornfeldt. "Physical Properties of Thiophene Derivatives." In Chemistry of Heterocyclic Compounds: A Series Of Monographs. John Wiley & Sons, Inc., 2008. http://dx.doi.org/10.1002/9780470187265.ch1.

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Spinelli, Domenico, Giovanni Consiglio, Carlo Dell'Erba, and Marino Novi. "Nucleophilic Substitution of Thiophene Derivatives." In Chemistry of Heterocyclic Compounds: A Series Of Monographs. John Wiley & Sons, Inc., 2008. http://dx.doi.org/10.1002/9780470187265.ch2.

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Li, Jie Jack. "Hinsberg synthesis of thiophene derivatives." In Name Reactions. Springer Berlin Heidelberg, 2009. http://dx.doi.org/10.1007/978-3-642-01053-8_125.

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Press, Jeffery B. "Pharmacologically Active Compounds and other Thiophene Derivatives." In Chemistry of Heterocyclic Compounds: A Series Of Monographs. John Wiley & Sons, Inc., 2008. http://dx.doi.org/10.1002/9780470187234.ch5.

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Taylor, Roger. "Electrophilic Substitution of Thiophene and its Derivatives." In Chemistry of Heterocyclic Compounds: A Series Of Monographs. John Wiley & Sons, Inc., 2008. http://dx.doi.org/10.1002/9780470187241.ch1.

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Press, Jeffery B. "Biologically Active Thiophene Derivatives Revisited: 1983-1988." In Chemistry of Heterocyclic Compounds: A Series Of Monographs. John Wiley & Sons, Inc., 2008. http://dx.doi.org/10.1002/9780470187265.ch3.

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Derhaeg, L., C. Samyn, and A. Persoons. "EFISH-Studies of Stilbene- and Thiophene-Derivatives." In Organic Molecules for Nonlinear Optics and Photonics. Springer Netherlands, 1991. http://dx.doi.org/10.1007/978-94-011-3370-8_12.

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Palupanuri, Naveena, Swathi Konda, Lavanya Sara, and B. Nikitha. "Synthesis and Biological Evaluation of Substituted Thiophene Derivatives." In GeNeDis 2020. Springer International Publishing, 2021. http://dx.doi.org/10.1007/978-3-030-78787-5_23.

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Blicke, F. F. "Biological and Pharmacological Activity of Thiophene and its Derivatives." In Chemistry of Heterocyclic Compounds: A Series Of Monographs. John Wiley & Sons, Inc., 2008. http://dx.doi.org/10.1002/9780470186527.ch2.

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Conference papers on the topic "Thiophene derivatives"

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Hubbard, Arthur T., and James H. White. "Surface Spectroscopy: LEED, EELS and AES." In CORROSION 1991. NACE International, 1991. https://doi.org/10.5006/c1991-91264.

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Abstract Applications of low energy electron diffraction (LEED), Auger electron spectroscopy (AES), and electron energy loss spectroscopy (EELS) in the study of corrosion processes and corrosion inhibitor films are described. Studies in our laboratories of surface phemomena related to the depassivation, electrodissolution and corrosion of Fe-Ni-Cr alloys and the formation of polymer films on well- defined electrode surfaces will be presented to illustrate techniques and applications. For example, exposure of clean Fe-Cr-Ni(111) and Fe-Cr-Ni(111) to aqueous electrolytes forms an amorphous, hydr
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Kawate, Kenji, Ken-ichi Ohkura, Mikio Yamazaki, Masami Kuroda, and Osamu Nabeta. "Organic electroluminescent devices with thiophene derivatives." In IS&T/SPIE 1994 International Symposium on Electronic Imaging: Science and Technology, edited by Peter S. Friedman. SPIE, 1994. http://dx.doi.org/10.1117/12.172145.

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Wang Dejun, Li Tiejin, H. Segawa, Wu Feipeng, and T. Shimidzu. "The rectifying characteristics of the electropolymerized ultro-thin films of thiophene and thiophene derivatives." In International Conference on Science and Technology of Synthetic Metals. IEEE, 1994. http://dx.doi.org/10.1109/stsm.1994.834851.

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Kuroda, Masami, Kenji Kawate, Osamu Nabeta, and N. Furusho. "Electrophotographic properties of thiophene derivatives as charge transport material." In Printing Technologies for Images, Gray Scale, and Color, edited by Derek B. Dove, Takao Abe, and Joachim L. Heinzl. SPIE, 1991. http://dx.doi.org/10.1117/12.46349.

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Leclerc, Mario, Pierre-Luc T. Boudreault, Reda Badrou Aich, Anne-Catherine Breton, and Ye Tao. "Copolymers Based on 2,7-Carbazole With Alkylated and Perfluoroalkylated Thiophene Derivatives." In 2009 MRS Fall Meetin. Materials Research Society, 2009. http://dx.doi.org/10.1557/proc-1270-ii09-02.

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MOURA, R. O., R. S. A. DE ARAÚJO, F. F. RIBEIRO, et al. "Synthesis and Citotoxicity Evaluation of 3-Cyano-2-aminocycloalkyl[ b]thiophene derivatives." In 14th Brazilian Meeting on Organic Synthesis. Editora Edgard Blücher, 2013. http://dx.doi.org/10.5151/chempro-14bmos-r0288-2.

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Popczyk, A., J. Mysliwiec, and B. Sahraoui. "Influence of the Acceptor Moiety on Nonlinear Optical Properties of Thiophene Derivatives." In 2020 22nd International Conference on Transparent Optical Networks (ICTON). IEEE, 2020. http://dx.doi.org/10.1109/icton51198.2020.9203297.

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Mochizuki, H., and H. Tachibana. "Photoelectronic Properties of Thiophene-Vinylene Derivatives with Phthalimide Groups in Both Terminals." In 2017 International Conference on Solid State Devices and Materials. The Japan Society of Applied Physics, 2017. http://dx.doi.org/10.7567/ssdm.2017.ps-10-05.

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Jen, Alex K.-Y., Varanasi Pushkara Rao, Tian-An Chen, et al. "High Performance Chromophores and Polymers for E-O Applications." In Organic Thin Films for Photonic Applications. Optica Publishing Group, 1995. http://dx.doi.org/10.1364/otfa.1995.tud.3.

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Although tricyanovinylated thiophene derivatives have been demonstrated to possess large molecular nonlinearities, their use in practical electro-optic devices utilizing high temperature processing conditions is somewhat limited by the low thermal stability (Td ≈ 250 °C) of the tricyanovinyl group. Furthermore, the tricyanovinyl group is very sensitive to many polar solvents which are commonly employed in the curing and processing of polyimide based electro-optic materials. For this reason, we modified some of the highly active tricyanovinyl derivatives with the objective of achieving tradeoff
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Bosshard, Christian, Pan Feng, Man Shing Wong, Martin Bösch, Urs Meier, and Peter Günter. "Thiophene Based Hydrazones: a New Class of Nonlinear Optical Molecular Crystals." In Organic Thin Films for Photonic Applications. Optica Publishing Group, 1997. http://dx.doi.org/10.1364/otfa.1997.thd.2.

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Crystalline solids are often regarded as the best choice of material form for practical use as optical frequency converters because of the excellent long-term orientational stability and extremely high density of active components. Such materials can be combined with inexpensive diode lasers for optic parametric generation of a broad range of optical frequencies [1, 2]. We here report on our on-going efforts in the development of novel and highly efficient second-order nonlinear optical crystalline materials for frequency conversion, based on the hydrazone derivatives 5-(methylthio)-thiophenec
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