Academic literature on the topic 'Fluorenone derivatives'

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Journal articles on the topic "Fluorenone derivatives"

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Srdič, Matic, Nico D. Fessner, Deniz Yildiz, Anton Glieder, Markus Spiertz, and Ulrich Schwaneberg. "Preparative Production of Functionalized (N- and O-Heterocyclic) Polycyclic Aromatic Hydrocarbons by Human Cytochrome P450 3A4 in a Bioreactor." Biomolecules 12, no. 2 (2022): 153. http://dx.doi.org/10.3390/biom12020153.

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Polycyclic aromatic hydrocarbons (PAHs) and their N- and O-containing derivatives (N-/O-PAHs) are environmental pollutants and synthetically attractive building blocks in pharmaceuticals. Functionalization of PAHs can be achieved via C-H activation by cytochrome P450 enzymes (e.g., P450 CYP3A4) in an environmentally friendly manner. Despite its broad substrate scope, the contribution of CYP3A4 to metabolize common PAHs in humans was found to be small. We recently showcased the potential of CYP3A4 in whole-cell biocatalysis with recombinant yeast Komagataella phaffii (Pichia pastoris) catalysts
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Journal, Baghdad Science. "Synthesis and Characterization of 1,3,4-Oxadiazoles Derived From 9-Fluorenone." Baghdad Science Journal 10, no. 2 (2013): 449–61. http://dx.doi.org/10.21123/bsj.10.2.449-461.

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In the present work, 9-fluorenone-2-carboxylic acid methyl ester (1) was prepared from 9-fluorenone-2-carboxylic acid and then converted into the acid hydrazide (2). Compound (2), is the key intermediate for the synthesis of several series of new compounds such as substituted 1,3,4-oxadiazole derivatives (3-6) were synthesized from the condensation of different substituted benzoic acids with compound (2) using POCl3 as condensing agent. Treatment of compound (2) with formic acid gave the N-formyl hydrazide (7), which upon refluxing with phosphorous pentoxide in benzene yielded the correspondin
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Dawood, Rafid Saad. "Synthesis and Characterization of 1,3,4-Oxadiazoles Derived From 9-Fluorenone." Baghdad Science Journal 10, no. 2 (2013): 449–61. http://dx.doi.org/10.21123/bsj.2013.10.2.449-461.

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In the present work, 9-fluorenone-2-carboxylic acid methyl ester (1) was prepared from 9-fluorenone-2-carboxylic acid and then converted into the acid hydrazide (2). Compound (2), is the key intermediate for the synthesis of several series of new compounds such as substituted 1,3,4-oxadiazole derivatives (3-6) were synthesized from the condensation of different substituted benzoic acids with compound (2) using POCl3 as condensing agent. Treatment of compound (2) with formic acid gave the N-formyl hydrazide (7), which upon refluxing with phosphorous pentoxide in benzene yielded the correspondin
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Xie, Ya-Sa, Run-Feng Huang, Ran Li, et al. "Correction: Metal-free [3+3] benzannulation of 1-indanylidene-malononitrile with Morita–Baylis–Hillman carbonates: direct access to functionalized fluorene and fluorenone derivatives." Chemical Communications 56, no. 94 (2020): 14922. http://dx.doi.org/10.1039/d0cc90500c.

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Correction for ‘Metal-free [3+3] benzannulation of 1-indanylidene-malononitrile with Morita–Baylis–Hillman carbonates: direct access to functionalized fluorene and fluorenone derivatives’ by Ya-Sa Xie et al., Chem. Commun., 2020, 56, 1948–1951, DOI: 10.1039/D0CC00143K.
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Estrada, Leandro A., James E. Yarnell, and Douglas C. Neckers. "Revisiting Fluorenone Photophysics via Dipolar Fluorenone Derivatives." Journal of Physical Chemistry A 115, no. 24 (2011): 6366–75. http://dx.doi.org/10.1021/jp200507j.

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Takatoh, K., and M. Sakamoto. "Liquid Crystalline Derivatives Containing Fluorene and Fluorenone Structures." Molecular Crystals and Liquid Crystals 182, no. 1 (1990): 339–49. http://dx.doi.org/10.1080/00268949008035764.

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Takatoh, K., and M. Sakamoto. "Liquid Crystalline Derivatives Containing Fluorene and Fluorenone Structures." Molecular Crystals and Liquid Crystals Incorporating Nonlinear Optics 182, no. 1 (1990): 339–49. https://doi.org/10.1080/10441859.1990.12015691.

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Xie, Ya-Sa, Run-Feng Huang, Ran Li, et al. "Metal-free [3+3] benzannulation of 1-indanylidene-malononitrile with Morita–Baylis–Hillman carbonates: direct access to functionalized fluorene and fluorenone derivatives." Chemical Communications 56, no. 13 (2020): 1948–51. http://dx.doi.org/10.1039/d0cc00143k.

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An efficient [3+3] benzannulation of Morita–Baylis–Hillman carbonates with 1-indanylidenemalononitrile was achieved selectively delivering a wide range of functional fluorene or fluorenone compounds in high yields (up to 86% yields).
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Dong, Meiqiu, Kai Miao, Yi Hu, et al. "Cooperating dipole–dipole and van der Waals interactions driven 2D self-assembly of fluorenone derivatives: ester chain length effect." Physical Chemistry Chemical Physics 19, no. 46 (2017): 31113–20. http://dx.doi.org/10.1039/c7cp06462d.

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Two-dimensional supramolecular assemblies of a series of 2,7-bis(10-n-alkoxycarbonyl-decyloxy)-9-fluorenone derivatives (BAF-Cn, n = 1, 3–6) consisting of polar fluorenone moieties and ester alkoxy chains were investigated by scanning tunneling microscopy on highly oriented pyrolytic graphite surfaces.
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Murphy, R. S., C. P. Moorlag, W. H. Green, and C. Bohne. "Photophysical characterization of fluorenone derivatives." Journal of Photochemistry and Photobiology A: Chemistry 110, no. 2 (1997): 123–29. http://dx.doi.org/10.1016/s1010-6030(97)00191-3.

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Dissertations / Theses on the topic "Fluorenone derivatives"

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Ye, Fei. "Ru- and Rh-catalyzed [2+2+2] cycloadditions : an access to fluorenone, 2-aminopyridine, and 1,3-dihydroisobenzofuran derivatives." Thesis, Paris 6, 2017. http://www.theses.fr/2017PA066347/document.

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Ce manuscrit traite de la mise au point d’une méthode d’accès éco-compatible à des squelettes carbocycliques et hétérocycliques, présents dans de nombreux composés d’intérêt biologique. Cette méthode met en œuvre une réaction de cycloaddition [2+2+2] catalysée par un métal de transition. Dans un premier temps, une voie d’accès à des fluorénones hautement substituées, ainsi qu’à des analogues a été développée. Cette voie utilise une réaction de cycloaddition [2+2+2] de diynes-[alpha, omega] pontés par un groupe benzoyle, avec des alcynes, en présence de RuCl3·nH2O. Dans un deuxième temps, des d
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Mukundarajan, Sriram. "Synthesis of Alkylthiol-containing Fluorene Derivatives for Gold Nanoparticle Functionalization." Master's thesis, University of Central Florida, 2005. http://digital.library.ucf.edu/cdm/ref/collection/ETD/id/3570.

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A novel synthetic methodology has been developed for attaching fluorene derivatives, containing different types of electron donating and accepting groups at the 2 and 7 positions, to gold nanoparticles of different sizes by exploiting the affinity of the thiol functional group for gold. The distance between the dye and nanoparticles was varied by introducing two alkyl chains containing different number of carbon atoms at the 9 position on the fluorene ring system. The methodology that was developed gave enough scope for performing Radiative Decay Engineering (RDE) studies, in order to investig
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Nguyen, Dao. "Design, Synthesis, and Characterization of Novel Hydrophilic Fluorene-Based Derivatives for Bioimaging Applications." Doctoral diss., University of Central Florida, 2009. http://digital.library.ucf.edu/cdm/ref/collection/ETD/id/2842.

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In this work, hydrophilic fluorene-based derivatives that contain ethylene oxide substituents, have been synthesized and characterized for potential use as new fluorophores for bioimaging applications and for fluorescence sensing of heavy metals. Symmetrical and unsymmetrical fluorene derivatives based on structural types of acceptor-pi-acceptor, acceptor-pi-donor, and donor-pi-donor were characterized by TGA, UV-vis absorption, fluorescence emission, lifetime, anisotropy, and two-photon absorption (2PA) cross section. They were found to possess high thermal stability, high photostability, hig
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Corredor, Claudia. "TWO-PHOTON 3D OPTICAL DATA STORAGE VIA FLUORESCENCE MODULATION OF FLUORENE DYES BY PHOTOCHROMIC DIARYLETHENES." Doctoral diss., University of Central Florida, 2007. http://digital.library.ucf.edu/cdm/ref/collection/ETD/id/3947.

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Three-dimensional (3D) optical data storage based on two-photon processes provides highly confined excitation in a recording medium and a mechanism for writing and reading data with less cross talk between multiple memory layers, due to the quadratic dependence of two photon absorption (2PA) on the incident light intensity. The capacity for highly confined excitation and intrinsic 3D resolution affords immense information storage capacity (up to 1012 bits/cm3). Recently, the use of photochromic materials for 3D memory has received intense interest because of several major advantages over curre
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Oliveira, Juliana Andreia da Silva Alves de. "Thermodynamic and optical properties of naphthalene, fluorene and fluorenone derivatives." Doctoral thesis, 2016. https://repositorio-aberto.up.pt/handle/10216/98747.

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Oliveira, Juliana Andreia da Silva Alves de. "Thermodynamic and optical properties of naphthalene, fluorene and fluorenone derivatives." Tese, 2016. https://repositorio-aberto.up.pt/handle/10216/98747.

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Chung, Szu-min, and 鍾思敏. "Photophysics and Photochemistry of Fluorenone and Carbazole Derivatives in Solutions." Thesis, 2005. http://ndltd.ncl.edu.tw/handle/88892831593500808033.

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碩士<br>國立交通大學<br>應用化學系所<br>93<br>This thesis contains two subjects. The first subject is to study the photophysics and photochemistry of 9-Fluorenone(9F)and 1-Hydroxy-9-Fluorenone(1-HOF)in solutions with different polarity. The second subject is to perform quantum-chemical calculations for excited states of 2,7-DMVECz and 3,6-DMVECz using Gaussian03 software. For the first subject, the steady-state and time-resolved spectroscopy have been investigated for 9F and 1-HOF dissolved in polar and non-polar solvents. The time-resolved fluorescence spectra of 9F and 1-HOF were measured using the techni
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Cheng-PeiYu and 余承霈. "Attempted Synthesis of Biradicaloid Polycyclic Aromatic Hydrocarbons:Zethrene Derivatives and Cyclopenta[def]fluorene Derivatives." Thesis, 2016. http://ndltd.ncl.edu.tw/handle/88498438082692400838.

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Wu, Pei-chun, and 吳珮淳. "Synthesis and Optoelectronic Properties of Trifunctionalized Fluorene Derivative." Thesis, 2008. http://ndltd.ncl.edu.tw/handle/55475650699524834578.

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碩士<br>國立成功大學<br>化學工程學系碩博士班<br>96<br>In this study, 2,4,7-tris(methylphenylethenyl)-9,9-dihexylfluorene (TF) and 2,7-dis(methylphenylethenyl)-9,9-dihexylfluorene (DF) have been successfully synthesized using the Wittig and Heck reactions. Their structure were well characterized by 1H-NMR, FT-IR and EA. The methylphenylethenyl group at 4 position of TF reveals a twist relative to the fluorene plane, which effectively prevents close packing of the molecules. DSC analysis revealed that the Tg of TF was 15.4 oC, but no obvious Tm was detected. The conjugation length of TF and DF are the same becau
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Wu, Ren-Chi, and 吳仁棋. "Synthesis and Electro-Optical Properties of Hyperbranched Fluorene Derivatives and A New Fluorene-Based Conjugated Polymer." Thesis, 2008. http://ndltd.ncl.edu.tw/handle/59436150420644049774.

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碩士<br>國立交通大學<br>應用化學系所<br>98<br>This study is focused on the synthesis of hyperbranched fluorene derivatives and their applications in polymer light-emitting diodes (PLEDs) and solar cells. Three polymers, hb-TF, hb-BTF and hb-BTDTF, were synthesized by [2+2+2] trimerization of the corresponding oligo-arene diacetylene monomers using TaCl5 as the catalyst. All the polymers were fully characterized by Fourier transform infrared spectrometer (FT-IR), gel permeation chromatography (GPC), thermal gravimetric analyzer (TGA), differential scanning calorimeter (DSC), photoluminescence spectroph
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Book chapters on the topic "Fluorenone derivatives"

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Mikayama, Takeshi, Yonggu Shim, Nobuyuki Yamamoto, and Kaku Uehara. "Rectifying and Photovoltaic Effects of Organic Hetero-Junction Films Based on Fluorenone Derivatives/Poly (3-Methylthiophene) Prepared by Electrochemical Polymerization and Undoping." In Novel Trends in Electroorganic Synthesis. Springer Japan, 1998. http://dx.doi.org/10.1007/978-4-431-65924-2_45.

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Lin, W. C., and Y. T. Wu. "From Fluorene Derivatives." In Monocyclic Arenes, Quasiarenes, and Annulenes. Georg Thieme Verlag KG, 2010. http://dx.doi.org/10.1055/sos-sd-045-01119.

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Lin, W. C., and Y. T. Wu. "Base-Induced Cyclization of 9-(2-Bromobenzylidene)-9-fluorene Derivatives." In Monocyclic Arenes, Quasiarenes, and Annulenes. Georg Thieme Verlag KG, 2010. http://dx.doi.org/10.1055/sos-sd-045-01120.

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Chen, Y. C., and H. L. Cui. "Asymmetric Synthesis of 9-(Indol-3-yl)fluorene Derivatives by a Domino Double Friedel–Crafts Reaction." In Brønsted Base and Acid Catalysts, and Additional Topics. Georg Thieme Verlag KG, 2012. http://dx.doi.org/10.1055/sos-sd-205-00600.

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Conference papers on the topic "Fluorenone derivatives"

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Jaeho Sim, K. Ogino, and H. Sato. "Synthesis and characterizatoin of polymers having fluorenone derivatives." In International Conference on Science and Technology of Synthetic Metals. IEEE, 1994. http://dx.doi.org/10.1109/stsm.1994.835340.

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Yuki, Fujii, Ohta Kaoru, and Tominaga Keisuke. "Hydrogen bond dynamics of 9-fluorenone derivatives in water studied by two-dimensional infrared spectroscopy." In Asian Spectroscopy Conference 2020. Institute of Advanced Studies, Nanyang Technological University, 2020. http://dx.doi.org/10.32655/asc_8-10_dec2020.47.

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Heldt, J. R., J. Heldt, M. Jozefowicz, K. A. Kozyra, and T. Redzimski. "Conformational relaxation phenomena of amino derivatives of fluorene." In Jurata, Poland, edited by Jerzy Kwela, Ryszard Drozdowski, and Tomasz J. Wasowicz. SPIE, 2005. http://dx.doi.org/10.1117/12.629484.

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Hales, Joel M., Katherine J. Schafer, Alma M. Morales, Kevin D. Belfield, David J. Hagan, and Eric W. Van Stryland. "Nonlinear optical spectroscopic characterization of a series of fluorene derivatives." In Optical Science and Technology, SPIE's 48th Annual Meeting, edited by A. Todd Yeates, Kevin D. Belfield, Francois Kajzar, and Christopher M. Lawson. SPIE, 2003. http://dx.doi.org/10.1117/12.510374.

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Liu, Xinglei, Antonio Ardizzone, Binglin Sui, et al. "Nanostructured Quatsomes Encapsulating Fluorene-Derivatives for Lysosomal Labeling and Tracking." In Optical Molecular Probes, Imaging and Drug Delivery. OSA, 2017. http://dx.doi.org/10.1364/omp.2017.omtu3d.4.

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Yahaya, Muhammad, Muhamad Mat Salleh, and Akrajas Ali Umar. "Self-assembly layer of amino fluorenone derivative as optical receptor to detect cyclohexane vapour." In Microtechnologies for the New Millennium 2005, edited by Carles Cane, Jung-Chih Chiao, and Fernando Vidal Verdu. SPIE, 2005. http://dx.doi.org/10.1117/12.608493.

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Chi, Shu-Heng, Liang Li, and Yi-Qun Wu. "Preparation, Linear Spectrum and Nonlinear Two-photon Absorption Properties of Fluorenone Derivative Containing 4-Methoxystyrene." In 2015 International Conference on Material Science and Applications (icmsa-15). Atlantis Press, 2015. http://dx.doi.org/10.2991/icmsa-15.2015.187.

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Cohanoschi, I., K. D. Belfield, and E. Hernandez. "Structure-property relationship for three-photon absorbing fluorene derivatives: a systematic study." In 2005 Conference on Lasers and Electro-Optics (CLEO). IEEE, 2005. http://dx.doi.org/10.1109/cleo.2005.202350.

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Woo, S., J. Kim, and H. Sung Sang. "Fluorene Derivatives and Selaginellins Isolated from Roots of Selaginella tamariscina (Beauv.) Spring." In GA 2017 – Book of Abstracts. Georg Thieme Verlag KG, 2017. http://dx.doi.org/10.1055/s-0037-1608255.

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Belfield, Kevin D., Mykhailo V. Bondar, Alma R. Morales, Olga V. Przhonska, and Xuhua Wang. "Two-photon Absorbing Fluorene Derivatives with Efficient Stimulated Emission Depletion (STED) for Bioimaging." In Optical Molecular Probes, Imaging and Drug Delivery. OSA, 2011. http://dx.doi.org/10.1364/omp.2011.omd4.

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