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Showing 1-20 of 4,939 results
  1. Electronically Tuned Copper Porphyrins for the Selective Epoxidation of Alkenes

    Four p -substituted meso-tetraphenyl metalloporphyrins [Cu II ( p -CH 3 -TPP)] ( 1 ), [Cu II ( p -OCH 3 -TPP)] ( 2 ), [Cu II ( p -Cl-TPP)] ( 3 ), and [Cu II ( p -Br-TPP)] ( 4 )...

    Vivek Kumar Mishra, Nikita Chaudhary, Chanchal Haldar in Topics in Catalysis
    Article 24 December 2022
  2. Structure and Properties of Synthetic Porphyrins and Porphyrin–Polymer Systems

    Abstract

    The review covers literature data on the synthesis of porphyrins, including amphiphilic star-shaped porphyrins which attract increasing...

    M. S. Zakharov, Yu. V. Tertyshnaya in Russian Journal of Organic Chemistry
    Article 01 July 2023
  3. Porphyrin Rotaxanes and Catenanes: Copper(I)-Templated Synthesis and Photoinduced Processes

    The approach based on the copper(I)-templated synthesis of porphyrin catenanes and rotaxanes developed by the authors' group is here reviewed....
    Lucia Flamigni, Valérie Heitz, Jean-Pierre Sauvage in Non-Covalent Multi-Porphyrin Assemblies
    Chapter
  4. Porphyrins developed for photoinactivation of microbes in wastewater

    Photodynamic antimicrobial chemotherapy (PACT) is extensively studied as a strategic method to inactivate pathogenic microbes in wastewater for...

    Knowledge Siyabonga Ndlovu, Makwena Justice Moloto, ... Muthumuni Managa in Environmental Science and Pollution Research
    Article 14 December 2022
  5. The role of aromaticity in the cyclization and polymerization of alkyne-substituted porphyrins on Au(111)

    Aromaticity is an established and widely used concept for the prediction of the reactivity of organic molecules. However, its role remains largely...

    Nan Cao, Jonas Björk, ... Alexander Riss in Nature Chemistry
    Article 18 September 2023
  6. Heterogenization of water-soluble porphyrins in Ti/TiO2 nanotubes electrodes: experimental and theoretical insights for atrazine degradation

    Pollutant degradation has been a very important topic in environmental research. The present paper presents an approach to degrade atrazine, an...

    Ana Luísa Almeida Lage, Juliana Martins Ribeiro, ... Dayse Carvalho da Silva Martins in Research on Chemical Intermediates
    Article 28 September 2023
  7. A High Efficient and Stable Copper(II) Porphyrin-Sensitized Anatase TiO2 for Tetracycline Degradation Under Visible Light

    Anatase TiO 2 (A-TiO 2 ) with high specific surface area and mesoporous structure was successfully obtained by the solvothermal method. The decoration...

    Qiuyu Zhu, Yuanxu Liu, ... Weixin Huang in Catalysis Letters
    Article 12 September 2023
  8. Study of Cationic Porphyrins and Their Metal Complexes by ESR Techniques

    Abstract

    The cationic meso -aryl-substituted porphyrins and their metal complexes were studied as model compounds for photodynamic therapy by electron...

    N. E. Sannikova, K. A. Zhdanova, ... O. A. Krumkacheva in Russian Journal of Coordination Chemistry
    Article 01 January 2022
  9. Merging Carbon Nanostructures with Porphyrins

    In this contribution, we highlight the most important work in the field of photon and charge management, focusing on electron donor-acceptor...
    Arjun Menon, Ramandeep Kaur, Dirk M. Guldi in Handbook of Fullerene Science and Technology
    Reference work entry 2022
  10. Supported porphyrins for the photocatalytic degradation of organic contaminants in water: a review

    Porphyrins are differentiated π-conjugated compounds with unique photochemical and redox properties. The tetrapyrrole macrocycle core of porphyrins...

    Siara Silvestri, André R. Fajardo, Bernardo A. Iglesias in Environmental Chemistry Letters
    Article 14 November 2021
  11. Copper(II) phthalocyanine as an efficient and versatile catalyst for click reactions at room temperature

    Herein, we report the efficient synthesis of copper(II) phthalocyanines in the presence of DBU as a strong base. These synthesized copper(II)...

    Kumar Karitkey Yadav, Uma Narang, ... S. M. S. Chauhan in Journal of the Iranian Chemical Society
    Article 29 June 2022
  12. Spectrophotometric Determination of Sodium-Copper Chlorophyllin Penetration into Lymphocytes

    Abstract

    The possibility of penetration of sodium-copper chlorophyllin into lymphocytes was evaluated. For this purpose, the content of chlorophyllin...

    L. A. Romodin in Biophysics
    Article 01 August 2023
  13. Merging Carbon Nanostructures with Porphyrins

    In this contribution, we highlight the most important work in the field of photon and charge management, focusing on electron donor-acceptor...
    Arjun Menon, Ramandeep Kaur, Dirk M. Guldi in Handbook of Fullerene Science and Technology
    Living reference work entry 2021
  14. Synthesis and study of immobilized porphyrins on the basis of acrylic polymer carriers

    In order to obtain porphyrin-containing polymers, the copolymerization of acrylate monomers of the various structures with natural porphyrin, namely...

    O. I. Nikolaeva, T. A. Ageeva, O. I. Koifman in Russian Chemical Bulletin
    Article 01 September 2021
  15. 5-(2-Pyridyl)tetrabenzoporphyrin and Its Complexes with Zinc, Cobalt, Copper, and Iron. Synthesis, Spectral, Electrochemical, and Electrocatalytic Properties

    Abstract

    3-(Pyridin-2-ylmethylene)isoindolin-1-one was synthesized by the reaction of phthalimide with 2-picoline in the presence of zinc oxide....

    E. I. Mayorova, T. A. Rumyantseva, ... N. E. Galanin in Russian Journal of General Chemistry
    Article 01 July 2023
  16. Red Fluorescence of European Hedgehog (Erinaceus europaeus) Spines Results from Free-Base Porphyrins of Potential Microbial Origin

    Bioluminescence has been recognized as an important means for inter- and intra-species communication. A growing number of reports of red fluorescence...

    Randy Hamchand, Amy M. Lafountain, ... Christian Brückner in Journal of Chemical Ecology
    Article 04 May 2021
  17. Peculiarities of the Electrochemical Behavior of Chlorophenoxy-Substituted Phthalocyanines of Cobalt and Copper in Non-Aqueous Media

    Abstract

    The electrochemical behavior of tetra-4-[4-(2,4,5-trichlorophenoxy)]phthalocyaninates of cobalt(II) (CoPc) and copper(II) (CuPc) in N , N -dimet...

    M. A. Kovanova, T. V. Tikhomirova, ... A. S. Vashurin in Russian Journal of Electrochemistry
    Article 29 September 2023
  18. The Temperature Dependence of the Luminescence Properties of Paramagnetic Vanadyl and Copper(II) Coproporphyrinates in Polystyrene Films

    Abstract

    Vanadyl and copper(II) coproporphyrinates, as well as composite materials in polystyrene films based on them, are obtained that possess...

    A. Yu. Chernyad’ev, A. Yu. Tsivadze in Protection of Metals and Physical Chemistry of Surfaces
    Article 01 August 2022
  19. Modifying Copper and Copper Alloy Surface with Depocolin and 5-Chloro-1,2,3-Benzotriazole from a Neutral Aqueous Solution

    Abstract

    Results are presented from adsorption and electrochemical investigations of a 3,7,12,17-tetramethyl-8,13-divinyl-2,18-deuteroporphyrin IX...

    M. O. Agafonkina, O. Yu. Grafov, ... Yu. I. Kuznetsov in Russian Journal of Physical Chemistry A
    Article 02 November 2021
  20. Energy-efficient CO2/CO interconversion by homogeneous copper-based molecular catalysts

    Facile conversion of CO 2 to commercially viable carbon feedstocks offer a unique way to adopt a net-zero carbon scenario. Synthetic CO 2 -reducing...

    Somnath Guria, Dependu Dolui, ... Arnab Dutta in Nature Communications
    Article Open access 27 October 2023
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