Relevant bibliographies by topics / Thiaporphyrine

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  2. Dissertations / Theses

Academic literature on the topic 'Thiaporphyrine'

Author: Grafiati
Published: 4 June 2021
Last updated: 13 February 2022

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Journal articles on the topic "Thiaporphyrine"

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Sokkalingam, Punidha, Sangita Santra, and Ravikanth Mangalampalli. "Synthesis and photophysical studies of non-covalently linked porphyrin dyads and triads." Journal of Porphyrins and Phthalocyanines 11, no. 02 (2007): 85–94. http://dx.doi.org/10.1142/s1088424607000114.

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Non-covalent porphyrin dyads and triads containing N 3 S porphyrin and RuN 4 porphyrin subunits were synthesized by treating meso-pyridyl-21-thiaporphyrin with RuTPP(CO)(EtOH) in toluene at refluxing temperature. The dyads and triads were characterized by various spectroscopic techniques and the properties were compared with the reported dyad containing N 4 and RuN 4 porphyrin subunits. The 1 H NMR study of dyads and triads indicated that the inner NH , β-heterocycle and meso-pyridyl protons of the 21-thiaporphyrin unit experienced large upfield shifts as compared to their corresponding monome
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2

Ziółkowski, Piotr, Jerzy Milach, Krzysztof Symonowicz, Piotr Chmielewski, Lechosław Latos-Grażyński, and Ewa Marcinkowska. "5,20-BIS(4-Sulphophenyl)-10,15-Bis(2-Methoxy-4-Sulphophenyl)-21-Thiaporphyrin as a new Potent Sensitizer in Photodynamic Therapy." Tumori Journal 81, no. 5 (1995): 364–69. http://dx.doi.org/10.1177/030089169508100512.

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The main purpose of the study was to investigate the effectiveness of a new photosensitizer for photodynamic therapy. 5,20-bis(4-sulphophenyl)-10,15-bis(2-methoxy-4-sulphophenyl)-21-thiaporphyrin (21-thiaporphyrin) was compared to chlorin e6 and tetra(m-hydroxyphenyl)porphyrin (m-THPP) for its ability to sensitize tumors and skin to light. Chlorin e6 and m-THPP induced a strong tumor and skin photosensitization. In contrast, the same doses of 21-thiaporphyrin produced no skin sensitization and gave approximately 10 mm tumor necrosis after light exposure, in comparison to the 5-6 mm necrosis in
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Yamashita, Daisuke, Hiroto Omori, Norihito Fukui, and Hiroshi Shinokubo. "Synthesis and properties of 5-aza-15-thiaporphyrins." Journal of Porphyrins and Phthalocyanines 24, no. 01n03 (2020): 84–89. http://dx.doi.org/10.1142/s108842461950069x.

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We have successfully prepared 5-aza-15-thiaporphyrin through nucleophilic sulfination of nitrogen-bridged dibromobisdipyrrin with sodium sulfide. X-ray diffraction analysis elucidated its structure in the solid state: two dipyrrin subunits were roughly coplanar around the sp2-hybridized meso-nitrogen. In contrast, they adopted a folded conformation around the meso-sulfur atom. Due to its relatively distorted structure, 5-aza-15-thiaporphyrin shows weak antiaromaticity in the magnetic criteria. The sulfur atom was oxidized with [Formula: see text]-chloroperbenzoic acid to provide 5-aza-15-thiap
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RAVIKUMAR, M., R. P. PANDIAN, and T. K. CHANDRASHEKAR. "Excited State Dynamics of Novel Diporphyrins with Dissimilar Cores." Journal of Porphyrins and Phthalocyanines 03, no. 01 (1999): 70–77. http://dx.doi.org/10.1002/(sici)1099-1409(199901)3:1<70::aid-jpp106>3.0.co;2-9.

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The singlet and triplet excited state properties of two diporphyrins, H 2- H and Zn - H , are described. Steady state fluorescence studies indicate that the emission of the H 2- H diporphyrin is dependent on the excitation wavelength and is dominated by the emission of the individual constituent monomers at their respective excitation. Time-resolved studies show two lifetimes ascribable to the normal and thiaporphyrin subunits. However, the emission of the Zn - H diporphyrin is dominated by the thiaporphyrin subunit irrespective of the wavelength of excitation, suggesting an energy transfer fr
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5

Kaur, Tejinder, Way-Zen Lee, and Mangalampalli Ravikanth. "N-Methyl-21-thiaporphyrins." European Journal of Organic Chemistry 2014, no. 11 (2014): 2261–67. http://dx.doi.org/10.1002/ejoc.201301863.

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6

Berlicka, Anna, Ewa Pacholska, and Lechosław Latos-Grażyński. "10,15-di(4-pyridyl)-5,20-di(4-tolyl)-21-thiaporphyrin as a building block for porphyrin coordination arrays." Journal of Porphyrins and Phthalocyanines 07, no. 01 (2003): 8–16. http://dx.doi.org/10.1142/s1088424603000033.

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10,15-di(4-pyridyl)-5,20-di(4-tolyl)-21-thiaporphyrin, ( SDPyDTP ) H , was prepared by condensation of 2,5-bis(4-tolylhydroxymethyl)thiophene, pyrrole and 4-pyridinecarboxaldehyde in boiling propionic acid. The synthesis introduced two pyridyl substituents at two defined (opposite to thiophene) meso positions of the porphyrin periphery. The self-assembly of the angular 10,15-dipyridyl-21-thiaporphyrin modules with cis square-planar diphosphineplatinum(II) complex leads to a cyclic rhomboid dimer [ Pt ( DPPP )( SDPyDTP ) H ]2( OTf )4. The molecule acquires butterfly geometry. The 1 H NMR studie
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7

Mane, Sandeep B., and Chen-Hsiung Hung. "Synthesis of carboxylate functionalized A3B and A2B2 thiaporphyrins and their application in dye-sensitized solar cells." New J. Chem. 38, no. 8 (2014): 3960–72. http://dx.doi.org/10.1039/c4nj00373j.

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8

Maeda, Chihiro, Motoki Masuda, and Naoki Yoshioka. "Synthesis of carbazole-based hetero-core-modified porphyrins." Org. Biomol. Chem. 12, no. 17 (2014): 2656–62. http://dx.doi.org/10.1039/c3ob42564a.

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Annulation reaction of a 1,1′-(1,3-butadiyne)-8,8′-(2,5-thiophene)-bridged carbazole dimer 10 provided the carbazole-based isophlorines 11a–11c and 12. The oxidation of 12 generated the corresponding 21-selena-23-thiaporphyrin 13.
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9

Ghosh, Avijit, Dilip Kumar Maity, and Mangalampalli Ravikanth. "Aluminium(iii) porphyrin based axial-bonding type dyads containing thiaporphyrins and expanded thiaporphyrins as axial ligands." New Journal of Chemistry 36, no. 12 (2012): 2630. http://dx.doi.org/10.1039/c2nj40631d.

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10

Chuang, Chuan-Hung, Chen-Kuo Ou, Shan-Tung Liu, et al. "Ruthenium Complexes of Thiaporphyrin and Dithiaporphyrin." Inorganic Chemistry 50, no. 23 (2011): 11947–57. http://dx.doi.org/10.1021/ic200977n.

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Dissertations / Theses on the topic "Thiaporphyrine"

1

Götzke, Linda. "Synthese und Charakterisierung beta-substituierter Thiaporphyrine und ihrer Übergangsmetallkomplexe." Doctoral thesis, Saechsische Landesbibliothek- Staats- und Universitaetsbibliothek Dresden, 2013. http://nbn-resolving.de/urn:nbn:de:bsz:14-qucosa-126350.

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In den letzten Jahren haben sich die Anwendungsoptionen natürlicher und synthetischer Porphyrinsysteme stark erweitert, was sich auch in der permanent steigenden Anzahl von Publikationen in der Fachliteratur widerspiegelt. Die Inhalte der Veröffentlichungen reichen dabei von grundlegenden Fragestellungen zur Synthese und Charakterisierung über die Untersuchung typischer Eigenschaften bis hin zur Testung der Systeme in der Photovoltaik, als optische Speicher-medien, molekulare Schalter und Drähte oder in der Medizin. Eine interessante Eigenschaft von Porphyrinen besteht darin, nach Lichtanregun
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Götzke, Linda [Verfasser], Karsten [Akademischer Betreuer] Gloe, and Peter [Akademischer Betreuer] Metz. "Synthese und Charakterisierung beta-substituierter Thiaporphyrine und ihrer Übergangsmetallkomplexe / Linda Götzke. Gutachter: Karsten Gloe ; Peter Metz. Betreuer: Karsten Gloe." Dresden : Saechsische Landesbibliothek- Staats- und Universitaetsbibliothek Dresden, 2013. http://d-nb.info/1068154292/34.

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3

Chen, Yu-Chuan, and 陳柚全. "Synthesis of Thiophene Containing Thiaporphyrin Derivativesand their Application as Photo-sensitizing Dyes." Thesis, 2008. http://ndltd.ncl.edu.tw/handle/57791423390180739144.

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碩士<br>國立中央大學<br>化學研究所<br>97<br>The purpose of this research is to synthesize novel molecular dyes that possess a potential of applying on the fabrication of dye-sensitized solar cells. Synthesis and spectroscopic characterization of asymmetric free-base thisaporphyrins that are attached by various numbers of carboxylic acid and electron donating groups, 10-(4-carboxyphenyl)-5,15,20-tris(p-tolyl)-21-monothiaporphyrin (8),10,15-bis(4-carboxyphenyl)-5,20-bis(p-tolyl)-21-monothiaporphyrin (9), 5,10,15,20-tetra(4-carboxyphenyl)-21-thiaporphyrin (13), and 10,15-bis(4-carboxyphenyl)-5,20-bis(3,4,5-tr
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