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Tekuri CS, Singh P, Nath M. Unravelling a trichloroacetic acid-catalyzed cascade access to benzo[ f]chromeno[2,3- h]quinoxalinoporphyrins. Beilstein J Org Chem 2023; 19:1216-1224. [PMID: 37592938 PMCID: PMC10428578 DOI: 10.3762/bjoc.19.89] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/31/2023] [Accepted: 08/02/2023] [Indexed: 08/19/2023] Open
Abstract
A facile one-pot four-component synthetic methodology is evolved to construct novel copper(II) benzo[f]chromeno[2,3-h]quinoxalinoporphyrins in good yields via a sequential reaction of copper(II) 2,3-diamino-5,10,15,20-tetraarylporphyrins, 2-hydroxynaphthalene-1,4-dione, aromatic aldehydes, and dimedone in the presence of a catalytic amount of trichloroacetic acid in chloroform at 65 °C. Further, the newly prepared copper(II) porphyrins were transformed to the corresponding free base and zinc(II) benzo[f]chromeno[2,3-h]quinoxalinoporphyrins under standard demetallation and zinc insertion conditions. The absorption and emission properties of the obtained porphyrins were investigated by using UV-visible and fluorescence spectroscopy. The preliminary photophysical results revealed a significant red-shift in their absorption and emission spectra as compared to the meso-tetrakis(4-methylphenyl)porphyrins due to the extended π-conjugation.
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Affiliation(s)
- Chandra Sekhar Tekuri
- Department of Chemistry, Faculty of Science, University of Delhi, Delhi 110 007, India
| | - Pargat Singh
- Department of Chemistry, Faculty of Science, University of Delhi, Delhi 110 007, India
| | - Mahendra Nath
- Department of Chemistry, Faculty of Science, University of Delhi, Delhi 110 007, India
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2
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Dang YL, Xie LX, Fei NN, Qiao R, Cao ZQ, Liu LJ, Liu GX, Zheng X, Ren YL, Sheng X, Guo SQ, Niu CY. Investigating the sensitization of the ytterbium(III) NIR emission by non-sandwich type Yb(III)-porphyrin coordination compounds. J Mol Struct 2023. [DOI: 10.1016/j.molstruc.2023.135499] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/04/2023]
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3
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Porphyrins and Metalloporphyrins Combined with N-Heterocyclic Carbene (NHC) Gold(I) Complexes for Photodynamic Therapy Application: What Is the Weight of the Heavy Atom Effect? Molecules 2022; 27:molecules27134046. [PMID: 35807296 PMCID: PMC9268150 DOI: 10.3390/molecules27134046] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/30/2022] [Revised: 06/16/2022] [Accepted: 06/21/2022] [Indexed: 01/10/2023] Open
Abstract
The photophysical properties of two classes of porphyrins and metalloporphyrins linked to N-heterocyclic carbene (NHC) Au(I) complexes have been investigated by means of density functional theory and its time-dependent extension for their potential application in photodynamic therapy. For this purpose, the absorption spectra, the singlet–triplet energy gaps, and the spin–orbit coupling (SOC) constants have been determined. The obtained results show that all the studied compounds possess the appropriate properties to generate cytotoxic singlet molecular oxygen, and consequently, they can be employed as photosensitizers in photodynamic therapy. Nevertheless, on the basis of the computed SOCs and the analysis of the metal contribution to the involved molecular orbitals, a different influence in terms of the heavy atom effect in promoting the intersystem crossing process has been found as a function of the identity of the metal center and its position in the center of the porphyrin core or linked to the peripheral NHC.
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Rosa M, Ostrowski S. Studies on Synthesis of Porphyrins –
β
‐Substituted with Multiple Nitrogen‐containing Groups. ChemistrySelect 2022. [DOI: 10.1002/slct.202200290] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
Affiliation(s)
- Mariusz Rosa
- Faculty of Chemistry Warsaw University of Technology ul. Noakowskiego 3 00-664 Warszawa Poland
| | - Stanisław Ostrowski
- Faculty of Chemistry Warsaw University of Technology ul. Noakowskiego 3 00-664 Warszawa Poland
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5
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Longevial J, Rose C, Poyac L, Clément S, Richeter S. Molecular Systems Combining Porphyrinoids and N‐Heterocyclic Carbenes. Eur J Inorg Chem 2021. [DOI: 10.1002/ejic.202001011] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
Affiliation(s)
| | - Clémence Rose
- ICGM Univ. Montpellier CNRS ENSCM 34000 Montpellier France
| | - Ludivine Poyac
- ICGM Univ. Montpellier CNRS ENSCM 34000 Montpellier France
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6
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Mikus A, Łopuszyńska B. Nitration of Porphyrin Systems: A Toolbox of Synthetic Methods. Chem Asian J 2021; 16:261-276. [PMID: 33118262 DOI: 10.1002/asia.202000985] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/19/2020] [Revised: 10/07/2020] [Indexed: 11/09/2022]
Abstract
This review addresses nitration reactions of porphyrin derivatives. Simple porphyrins modifications afford valuable intermediates in this area of chemistry. They are useful materials for further transformations, as the NO2 group introduced into parent porphyrin system increases its electrophilic character, thus allowing a broad spectrum of subsequent reactions, e. g. reduction of NO2 to NH2 , subsequent diazotisation, nucleophilic substitution of hydrogen (in ortho-position to NO2 ), a variety of cyclizations, etc. Such reactions are often utilized in the first steps of the designed syntheses, leading to attractive and useful target porphyrin molecules. This approach (via nitro-derivatives) allows synthesizing numerous porphyrin-like compounds of a high degree of complexity, and has thus become one of the methods choice. The substitution by NO2 group can take place at all positions of the porphyrin systems: four meso-positions (5, 10, 15, 20) and eight positions β (2, 3, 7, 8, 12, 13, 17, 18). The third possibility includes the nitration in meso-aryl rings attached to positions 5, 10, 15, and 20. The latter derivatives (meso-aryl substituted ones) are a large, well-known group of synthetic porphyrins. The nitration reactions described herein follow three various mechanisms: (a) radical, (b) via π-cation radicals and π-dications, and (c) electrophilic. All the above cases are discussed in detail. According to our knowledge, this is the first such systematic account concerning these reactions.
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Affiliation(s)
- Agnieszka Mikus
- Faculty of Chemistry, Warsaw University of Technology, ul. Noakowskiego 3, 00-664, Warszawa, Poland
| | - Beata Łopuszyńska
- Uniwersytet Przyrodniczo-Humanistyczny w Siedlcach (formerly University of Podlasie), ul. 3 Maja 54, 08-110, Siedlce, Poland
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Sample HC, Senge MO. Nucleophilic Aromatic Substitution (S NAr) and Related Reactions of Porphyrinoids: Mechanistic and Regiochemical Aspects. European J Org Chem 2021; 2021:7-42. [PMID: 33519299 PMCID: PMC7821298 DOI: 10.1002/ejoc.202001183] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/31/2020] [Indexed: 12/29/2022]
Abstract
The nucleophilic substitution of aromatic moieties (SNAr) has been known for over 150 years and found wide use for the functionalization of (hetero)aromatic systems. Currently, several "types" of SNAr reactions have been established and notably the area of porphyrinoid macrocycles has seen many uses thereof. Herein, we detail the SNAr reactions of seven types of porphyrinoids with differing number and type of pyrrole units: subporphyrins, norcorroles, corroles, porphyrins, azuliporphyrins, N-confused porphyrins, and phthalocyanines. For each we analyze the substitution dependent upon: a) the type of nucleophile and b) the site of substitution (α, β, or meso). Along with this we evaluate this route as a synthetic strategy for the generation of unsymmetrical porphyrinoids. Distinct trends can be identified for each type of porphyrinoid discussed, regardless of nucleophile. The use of nucleophilic substitution on porphyrinoids is found to often be a cost-effective procedure with the ability to yield complex substituent patterns, which can be conducted in non-anhydrous solvents with easily accessible simple porphyrinoids.
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Affiliation(s)
- Harry C. Sample
- School of ChemistryTrinity Biomedical Sciences InstituteThe University of Dublin152‐160 Pearse StreetDublin 2Ireland
| | - Mathias O. Senge
- Institute for Advanced Study (TUM‐IAS)Technical University of MunichLichtenbergstrasse 2a85748GarchingGermany
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8
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Hu Y, Long S, Fu H, She Y, Xu Z, Yoon J. Revisiting imidazolium receptors for the recognition of anions: highlighted research during 2010-2019. Chem Soc Rev 2020; 50:589-618. [PMID: 33174897 DOI: 10.1039/d0cs00642d] [Citation(s) in RCA: 33] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
Imidazolium based receptors selectively recognize anions, and have received more and more attention. In 2006 and 2010, we reviewed the mechanism and progress of imidazolium salt recognition of anions, respectively. In the past ten years, new developments have emerged in this area, including some new imidazolium motifs and the identification of a wider variety of biological anions. In this review, we discuss the progress of imidazolium receptors for the recognition of anions in the period of 2010-2019 and highlight the trends in this area. We first classify receptors based on motifs, including some newly emerging receptors, as well as new advances in existing receptor types at this stage. Then we discuss separately according to the types of anions, including ATP, GTP, DNA and RNA.
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Affiliation(s)
- Ying Hu
- College of Chemical Engineering, Zhejiang University of Technology, Hangzhou, Zhejiang 310014, China.
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10
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Melchakova I, Kuklin A, Avramov P. Towards spin quantum materials: Structure and potential energy profiles of weakly interacting arrays of iron porphyrin complexes at graphene armchair nanoribbon. Chem Phys Lett 2020. [DOI: 10.1016/j.cplett.2020.137807] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
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12
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Caporaletti F, Rubio-Magnieto J, Lo M, Longevial JF, Rose C, Clément S, van der Lee A, Surin M, Richeter S. Design of metalloporphyrins fused to imidazolium rings for binding DNA G-quadruplexes. J PORPHYR PHTHALOCYA 2020. [DOI: 10.1142/s1088424619501128] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
Abstract
Synthesis and characterization of nickel(II) meso-tetraarylporphyrins fused to imidazolium rings across [Formula: see text],[Formula: see text]-pyrrolic positions and X-ray structure of the porphyrin where two opposed pyrrole units are fused to an imidazolium ring are presented. The interactions between these mono-, bis-, tris- and tetrakis(imidazolium) porphyrins with human telomeric DNA G-quadruplexes (G4) were investigated using UV-vis absorption spectroscopy, Circular Dichroism (CD) spectroscopy and Fluorescence Resonance Energy Transfer (FRET) melting assay. Possible binding modes between cationic porphyrins and a selected G4 sequence (d[AG3(T2AG[Formula: see text]]), and relative stabilities of porphyrin/G4 complexes are discussed. Excepting porphyrins fused to one imidazolium ring, the other derivatives interact with G4 structures and their stabilization strongly depends on the porphyrin structure (number and localization of the imidazolium rings).
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Affiliation(s)
- Francesca Caporaletti
- Laboratory for Chemistry of Novel Materials, Center of Innovation and Research in Materials and Polymers (CIRMAP), University of Mons-UMONS, Place du Parc 20, 7000 Mons, Belgium
| | - Jenifer Rubio-Magnieto
- Laboratory for Chemistry of Novel Materials, Center of Innovation and Research in Materials and Polymers (CIRMAP), University of Mons-UMONS, Place du Parc 20, 7000 Mons, Belgium
| | - Mamadou Lo
- Institut Charles Gerhardt Montpellier, ICGM, UMR 5253, CNRS, Université de Montpellier, ENSCM, Place Eugène Bataillon, 34095 Montpellier Cedex 5, France
| | - Jean-François Longevial
- Institut Charles Gerhardt Montpellier, ICGM, UMR 5253, CNRS, Université de Montpellier, ENSCM, Place Eugène Bataillon, 34095 Montpellier Cedex 5, France
| | - Clémence Rose
- Institut Charles Gerhardt Montpellier, ICGM, UMR 5253, CNRS, Université de Montpellier, ENSCM, Place Eugène Bataillon, 34095 Montpellier Cedex 5, France
| | - Sébastien Clément
- Institut Charles Gerhardt Montpellier, ICGM, UMR 5253, CNRS, Université de Montpellier, ENSCM, Place Eugène Bataillon, 34095 Montpellier Cedex 5, France
| | - Arie van der Lee
- Institut Européen des Membranes, IEM, UMR 5635, CNRS, Université de Montpellier, ENSCM, Place Eugène Bataillon, 34095 Montpellier Cedex 5, France
| | - Mathieu Surin
- Laboratory for Chemistry of Novel Materials, Center of Innovation and Research in Materials and Polymers (CIRMAP), University of Mons-UMONS, Place du Parc 20, 7000 Mons, Belgium
| | - Sébastien Richeter
- Institut Charles Gerhardt Montpellier, ICGM, UMR 5253, CNRS, Université de Montpellier, ENSCM, Place Eugène Bataillon, 34095 Montpellier Cedex 5, France
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13
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Ren D, Koniarz S, Li X, Chmielewski PJ. First imidazole-fused carbaporphyrinoid and its conversion to a N-heterocyclic carbene precursor. Chem Commun (Camb) 2020; 56:4836-4839. [PMID: 32236247 DOI: 10.1039/d0cc01013h] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
A series of novel imidazole-fused carbaporphyrinoids were obtained by a surprisingly simple approach by exploiting the reaction of tosylmethylisocyanide (TOSMIC) with readily obtainable 2-aza-21-carbaporphyrins. A facile methylation of silver(iii) complexes of these fused systems leads to cationic N-heterocyclic carbene precursors.
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Affiliation(s)
- Demin Ren
- Key Laboratory of Theoretical Organic Chemistry and Functional Molecules, Ministry of Education, School of Chemistry and Chemical Engineering, Hunan University of Science and Technology, Xiangtan, Hunan 411201, China.
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14
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Abdulaeva IA, Birin KP, Sinelshchikova AA, Grigoriev MS, Lyssenko KA, Gorbunova YG, Tsivadze AY, Bessmertnykh-Lemeune A. Imidazoporphyrins as supramolecular tectons: synthesis and self-assembly of zinc 2-(4-pyridyl)-1 H-imidazo[4,5- b]porphyrinate. CrystEngComm 2019. [DOI: 10.1039/c8ce01992d] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/02/2023]
Abstract
First evidence of self-assembling of imidazoporphyrins is revealed with the example of zinc(ii) 5,10,15,20-tetramesityl-2-(4-pyridyl)-1H-imidazo[4,5-b]porphyrin in the solid state and in solution.
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Affiliation(s)
- Inna A. Abdulaeva
- A.N. Frumkin Institute of Physical Chemistry and Electrochemistry RAS
- Moscow
- Russian Federation
- Institut de Chimie Moléculaire de l'Université de Bourgogne
- UMR CNRS 6302
| | - Kirill P. Birin
- A.N. Frumkin Institute of Physical Chemistry and Electrochemistry RAS
- Moscow
- Russian Federation
| | - Anna A. Sinelshchikova
- A.N. Frumkin Institute of Physical Chemistry and Electrochemistry RAS
- Moscow
- Russian Federation
| | - Mikhail S. Grigoriev
- A.N. Frumkin Institute of Physical Chemistry and Electrochemistry RAS
- Moscow
- Russian Federation
| | | | - Yulia G. Gorbunova
- A.N. Frumkin Institute of Physical Chemistry and Electrochemistry RAS
- Moscow
- Russian Federation
- N.S. Kurnakov Institute of General and Inorganic Chemistry RAS
- Moscow
| | - Aslan Yu. Tsivadze
- A.N. Frumkin Institute of Physical Chemistry and Electrochemistry RAS
- Moscow
- Russian Federation
- N.S. Kurnakov Institute of General and Inorganic Chemistry RAS
- Moscow
| | - Alla Bessmertnykh-Lemeune
- Institut de Chimie Moléculaire de l'Université de Bourgogne
- UMR CNRS 6302
- Université Bourgogne Franche-Comté
- 21078 Dijon
- France
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15
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Longevial JF, Clément S, Wytko JA, Ruppert R, Weiss J, Richeter S. Peripherally Metalated Porphyrins with Applications in Catalysis, Molecular Electronics and Biomedicine. Chemistry 2018; 24:15442-15460. [PMID: 29688604 DOI: 10.1002/chem.201801211] [Citation(s) in RCA: 45] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/09/2018] [Revised: 04/23/2018] [Indexed: 12/26/2022]
Abstract
Porphyrins are conjugated, stable chromophores with a central core that binds a variety of metal ions and an easily functionalized peripheral framework. By combining the catalytic, electronic or cytotoxic properties of selected transition metal complexes with the binding and electronic properties of porphyrins, enhanced characteristics of the ensemble are generated. This review article focuses on porphyrins bearing one or more peripheral transition metal complexes and discusses their potential applications in catalysis or biomedicine. Modulation of the electronic properties and intramolecular communication through coordination bond linkages in bis-porphyrin scaffolds is also presented.
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Affiliation(s)
- Jean-François Longevial
- Institut Charles Gerhardt, UMR 5253 CNRS-ENSCM-UM, Place Eugène Bataillon, CC1701, 34095, Montpellier, France
| | - Sébastien Clément
- Institut Charles Gerhardt, UMR 5253 CNRS-ENSCM-UM, Place Eugène Bataillon, CC1701, 34095, Montpellier, France
| | - Jennifer A Wytko
- Institut de Chimie de Strasbourg, UMR 7177 CNRS-Université de Strasbourg, 4 rue Blaise Pascal, 67000, Strasbourg, France
| | - Romain Ruppert
- Institut de Chimie de Strasbourg, UMR 7177 CNRS-Université de Strasbourg, 4 rue Blaise Pascal, 67000, Strasbourg, France
| | - Jean Weiss
- Institut de Chimie de Strasbourg, UMR 7177 CNRS-Université de Strasbourg, 4 rue Blaise Pascal, 67000, Strasbourg, France
| | - Sébastien Richeter
- Institut Charles Gerhardt, UMR 5253 CNRS-ENSCM-UM, Place Eugène Bataillon, CC1701, 34095, Montpellier, France
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16
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Abdulaeva IA, Birin KP, Gorbunova YG, Tsivadze AY, Bessmertnykh-Lemeune A. Post-synthetic methods for functionalization of imidazole-fused porphyrins. J PORPHYR PHTHALOCYA 2018. [DOI: 10.1142/s1088424618500475] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
Abstract
Several methods for the post-synthetic modification of imidazo[4,5-[Formula: see text]]porphyrins are reported. First, a synthetic approach to the isomeric difunctionalized porphyrins, containing two [Formula: see text]-fused 2-aryl-1[Formula: see text]-imidazole cycles at adjacent or opposite pyrrole rings of the macrocycle is developed. The core chemistry of this synthetic route is the transformation of 2-aryl-1[Formula: see text]-imidazo[4,5-[Formula: see text]]porphyrins into corresponding imidazodioxochlorins followed by Debus–Radziszewski condensation with aromatic aldehyde. Next, 2-(4-bromophenyl)-1[Formula: see text]-imidazo[4,5-[Formula: see text]]-5,10,15,20-tetramesitylporphyrin was transformed into useful carboxy- and phosphonato-substituted precursors for material chemistry according to palladium-catalyzed C–C and C–P bond forming reactions.
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Affiliation(s)
- Inna A. Abdulaeva
- A.N. Frumkin Institute of Physical Chemistry and Electrochemistry, Russian Academy of Sciences, Leninsky pr., 31, Bldg. 4, 119071, Moscow, Russia
- Institut de Chimie Moléculaire de l’Université de Bourgogne, UMR 6302, CNRS, Université, Bourgogne Franche-Comté, 9, Avenue Alain Savary, 21078 Dijon, France
| | - Kirill P. Birin
- A.N. Frumkin Institute of Physical Chemistry and Electrochemistry, Russian Academy of Sciences, Leninsky pr., 31, Bldg. 4, 119071, Moscow, Russia
| | - Yulia G. Gorbunova
- A.N. Frumkin Institute of Physical Chemistry and Electrochemistry, Russian Academy of Sciences, Leninsky pr., 31, Bldg. 4, 119071, Moscow, Russia
- N.S. Kurnakov Institute of General and Inorganic Chemistry, Russian Academy of Sciences, Leninsky pr., 31, 119991, Moscow, Russia
| | - Aslan Yu. Tsivadze
- A.N. Frumkin Institute of Physical Chemistry and Electrochemistry, Russian Academy of Sciences, Leninsky pr., 31, Bldg. 4, 119071, Moscow, Russia
- N.S. Kurnakov Institute of General and Inorganic Chemistry, Russian Academy of Sciences, Leninsky pr., 31, 119991, Moscow, Russia
| | - Alla Bessmertnykh-Lemeune
- Institut de Chimie Moléculaire de l’Université de Bourgogne, UMR 6302, CNRS, Université, Bourgogne Franche-Comté, 9, Avenue Alain Savary, 21078 Dijon, France
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Fukui N, Fujimoto K, Yorimitsu H, Osuka A. Embedding heteroatoms: an effective approach to create porphyrin-based functional materials. Dalton Trans 2018; 46:13322-13341. [PMID: 28875206 DOI: 10.1039/c7dt02815f] [Citation(s) in RCA: 37] [Impact Index Per Article: 6.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/07/2023]
Abstract
Incorporation of planarized heteroatom(s) onto the porphyrin periphery is an effective approach to create porphyrin-based functional materials. In the last three decades, such an "embedding heteroatom" strategy has been actively explored in order to realize attractive electronic, optical, and electrochemical properties. This review aims to cover a variety of synthetic methodologies that have been developed for the construction of heteroatom-embedded porphyrins. Moreover, we also summarize their structure-property relationships as well as possible applications in various research fields including artificial photosynthesis, molecular engineering, organic electronics, and bioimaging.
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Affiliation(s)
- Norihito Fukui
- Department of Chemistry, Graduate School of Science, Kyoto University, Sakyo-ku, Kyoto 606-8502, Japan.
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Longevial JF, El Cheikh K, Aggad D, Lebrun A, van der Lee A, Tielens F, Clément S, Morère A, Garcia M, Gary-Bobo M, Richeter S. Porphyrins Conjugated with Peripheral Thiolato Gold(I) Complexes for Enhanced Photodynamic Therapy. Chemistry 2017; 23:14017-14026. [DOI: 10.1002/chem.201702975] [Citation(s) in RCA: 26] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/28/2017] [Indexed: 01/12/2023]
Affiliation(s)
- Jean-François Longevial
- Institut Charles Gerhardt Montpellier, UMR 5253 CNRS-ENSCM-UM, CC 1701; Université de Montpellier; Place Eugène Bataillon 34095 Montpellier Cedex 05 France
| | - Khaled El Cheikh
- Institut des Biomolécules Max Mousseron, UMR 5247 CNRS-ENSCM-UM; Faculté de Pharmacie; 15, Avenue Charles Flahault 34093 Montpellier Cedex 05 France
| | - Dina Aggad
- Institut des Biomolécules Max Mousseron, UMR 5247 CNRS-ENSCM-UM; Faculté de Pharmacie; 15, Avenue Charles Flahault 34093 Montpellier Cedex 05 France
| | - Aurélien Lebrun
- Laboratoire de Mesures Physiques; Université de Montpellier; Place Eugène Bataillon 34095 Montpellier France
| | - Arie van der Lee
- Institut Européen des Membranes; UMR 5635 CNRS-ENSCM-UM; Place Eugène Bataillon 34095 Montpellier France
| | - Frederik Tielens
- Sorbonne Université, UPMC Université Paris 06, UMR 7574; Laboratoire Chimie de la Matière Condensée de Paris; Collège de France; 11 Place Berthelot 75023 Paris France
| | - Sébastien Clément
- Institut Charles Gerhardt Montpellier, UMR 5253 CNRS-ENSCM-UM, CC 1701; Université de Montpellier; Place Eugène Bataillon 34095 Montpellier Cedex 05 France
| | - Alain Morère
- Institut des Biomolécules Max Mousseron, UMR 5247 CNRS-ENSCM-UM; Faculté de Pharmacie; 15, Avenue Charles Flahault 34093 Montpellier Cedex 05 France
| | - Marcel Garcia
- Institut des Biomolécules Max Mousseron, UMR 5247 CNRS-ENSCM-UM; Faculté de Pharmacie; 15, Avenue Charles Flahault 34093 Montpellier Cedex 05 France
| | - Magali Gary-Bobo
- Institut des Biomolécules Max Mousseron, UMR 5247 CNRS-ENSCM-UM; Faculté de Pharmacie; 15, Avenue Charles Flahault 34093 Montpellier Cedex 05 France
| | - Sébastien Richeter
- Institut Charles Gerhardt Montpellier, UMR 5253 CNRS-ENSCM-UM, CC 1701; Université de Montpellier; Place Eugène Bataillon 34095 Montpellier Cedex 05 France
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19
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Longevial JF, Langlois A, Buisson A, Devillers CH, Clément S, van der Lee A, Harvey PD, Richeter S. Synthesis, Characterization, and Electronic Properties of Porphyrins Conjugated with N-Heterocyclic Carbene (NHC)–Gold(I) Complexes. Organometallics 2016. [DOI: 10.1021/acs.organomet.5b00966] [Citation(s) in RCA: 24] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Affiliation(s)
- Jean-François Longevial
- Institut Charles Gerhardt de Montpellier ICGM, UMR 5253 CNRS-ENSCM-UM, CC 1701, Place E. Bataillon, 34095 Montpellier Cedex 05, France
| | - Adam Langlois
- Département
de Chimie, Université de Sherbrooke, Sherbrooke, Québec J1K 2R1, Canada
| | - Antoine Buisson
- Département
de Chimie, Université de Sherbrooke, Sherbrooke, Québec J1K 2R1, Canada
| | | | - Sébastien Clément
- Institut Charles Gerhardt de Montpellier ICGM, UMR 5253 CNRS-ENSCM-UM, CC 1701, Place E. Bataillon, 34095 Montpellier Cedex 05, France
| | - Arie van der Lee
- Institut Européen des Membranes, UMR 5635 CNRS-ENSCM-UM, CC 047, Place E. Bataillon, 34095 Montpellier Cedex 05, France
| | - Pierre D. Harvey
- Département
de Chimie, Université de Sherbrooke, Sherbrooke, Québec J1K 2R1, Canada
| | - Sébastien Richeter
- Institut Charles Gerhardt de Montpellier ICGM, UMR 5253 CNRS-ENSCM-UM, CC 1701, Place E. Bataillon, 34095 Montpellier Cedex 05, France
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20
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Lefebvre JF, Longevial JF, Molvinger K, Clément S, Richeter S. Porphyrins fused to N-heterocyclic carbene palladium complexes as tunable precatalysts in Mizoroki–Heck reactions: How the porphyrin can modulate the apparent catalytic activity? CR CHIM 2016. [DOI: 10.1016/j.crci.2015.03.002] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
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21
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Jayabharathi J, Karunakaran C, Ramanathan P. Binding interaction between 2-(naphthalen-1-yl)-1-p-tolyl-1H-phenanthro[9,10-d]imidazole and semiconductor nanomaterials. SPECTROCHIMICA ACTA. PART A, MOLECULAR AND BIOMOLECULAR SPECTROSCOPY 2015; 136 Pt C:1428-1433. [PMID: 25459702 DOI: 10.1016/j.saa.2014.10.032] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/31/2014] [Revised: 07/04/2014] [Accepted: 10/13/2014] [Indexed: 06/04/2023]
Abstract
The binding interaction of bioactive phenanthrimidazole with nanoparticulate WO3, Fe2O3, Fe3O4, CuO, ZrO2 and Al2O3 has been studied by electronic and life time spectral studies. The phenanthrimidazole adsorbs strongly on the surface of nanosemiconductor, the apparent binding constants have been determined from the fluorescence quenching. In the case of nanocrystalline insulator, fluorescence quenching through electron transfer from the excited state of the phenanthrimidazole to alumina is not possible, but it is due to energy transfer process.
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Affiliation(s)
- J Jayabharathi
- Department of Chemistry, Annamalai University, Annamalainagar 608002, Tamil Nadu, India.
| | - C Karunakaran
- Department of Chemistry, Annamalai University, Annamalainagar 608002, Tamil Nadu, India
| | - P Ramanathan
- Department of Chemistry, Annamalai University, Annamalainagar 608002, Tamil Nadu, India
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22
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Jayabharathi J, Karunakaran C, Kalaiarasi V, Ramanathan P, Prabhakaran A. Enhancing the photoluminescence of 1-(naphthalene-1-yl)-2,4,5-triphenyl-1H-imidazole anchored to superparamagnetic nanoparticles. SPECTROCHIMICA ACTA. PART A, MOLECULAR AND BIOMOLECULAR SPECTROSCOPY 2015; 135:1169-1172. [PMID: 25176199 DOI: 10.1016/j.saa.2014.07.042] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/23/2014] [Revised: 07/05/2014] [Accepted: 07/17/2014] [Indexed: 06/03/2023]
Abstract
Synthesis and characterization of 1-(naphthalene-1-yl)-2,4,5-triphenyl-1H-imidazole has been carried out by spectral studies. The synthesized phosphated imidazole and phosphated imidazole bound magnetic nanoparticles were characterized using fourier-transform infrared spectroscopy (FT-IR), scanning electron microscopy (SEM), energy dispersive X-ray spectroscopy (EDS) and powder X-ray diffraction (XRD). The photophysical characteristics of the synthesized phosphated imidazole and phosphated imidazole bound magnetic nanoparticles were investigated by steady-state absorption and emission spectra as well as time resolved fluorometry. The intensities of absorption and emission maxima increase in the following order, phosphated imidazole bound Fe2O3>phosphated imidazole>imidazole.
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Affiliation(s)
- J Jayabharathi
- Department of Chemistry, Annamalai University, Annamalainagar 608 002, Tamil Nadu, India.
| | - C Karunakaran
- Department of Chemistry, Annamalai University, Annamalainagar 608 002, Tamil Nadu, India
| | - V Kalaiarasi
- Department of Chemistry, Annamalai University, Annamalainagar 608 002, Tamil Nadu, India
| | - P Ramanathan
- Department of Chemistry, Annamalai University, Annamalainagar 608 002, Tamil Nadu, India
| | - A Prabhakaran
- Department of Chemistry, Annamalai University, Annamalainagar 608 002, Tamil Nadu, India
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23
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Jayabharathi J, Thanikachalam V, Kalaiarasi V, Ramanathan P. Multiple linear regression solvatochromic analysis of donar-acceptor imidazole derivatives. J Fluoresc 2015; 25:95-102. [PMID: 25595056 DOI: 10.1007/s10895-014-1484-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/31/2014] [Accepted: 12/01/2014] [Indexed: 11/29/2022]
Abstract
Catalytic synthesis of some polysubstituted imidazoles under solvent-free condition is reported and their characterization has been carried out spectral techniques. Electronic spectral studies reveal that their solvatochromic behavior depends both the polarity of the medium and hydrogen bonding properties of the solvents. Specific hydrogen bonding interaction in polar solvents modulated the order of the two close lying lowest singlet states. The solvent effect on absorption and emission spectral results has been analyzed by multiple parametric regression analysis. Solvatochromic effects on the emission spectral position indicate the charge transfer (CT) character of the emitting singlet states both in a polar and a non polar environment. The fluorescence decays for the imidazoles fit satisfactorily to a bi exponential kinetics. These observations are in consistent with quantum chemical calculations.
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Affiliation(s)
- J Jayabharathi
- Department of Chemistry, Annamalai University, Annamalainagar, 608 002, Tamilnadu, India,
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24
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Tiwari R, Nath M. Synthesis of 2-nitro-3-(pyrrol-1-yl)-5,10,15,20-tetraarylporphyrins via a Clauson-Kaas reaction and the study of their electronic properties. NEW J CHEM 2015. [DOI: 10.1039/c5nj00014a] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/07/2023]
Abstract
Versatile synthesis of new porphyrin building blocks, 2-nitro-3-(pyrrol-1-yl)-5,10,15,20-tetraarylporphyrins is described. These porphyrins demonstrate red shifted absorption bands and S2 emission.
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Affiliation(s)
- Raju Tiwari
- Department of Chemistry
- University of Delhi
- Delhi 110007
- India
| | - Mahendra Nath
- Department of Chemistry
- University of Delhi
- Delhi 110007
- India
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25
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Singh DK, Nath M. Ambient temperature synthesis of β,β′-fused nickel(ii) pyrrolo[1,2-a]pyrazinoporphyrins via a DBSA-catalyzed Pictet–Spengler approach. Org Biomol Chem 2015; 13:1836-45. [DOI: 10.1039/c4ob02370f] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Synthesis of novel β,β′-fused nickel(ii) pyrrolo[1,2-a]pyrazinoporphyrins is accomplished for the first time at ambient temperature via a DBSA-catalyzed Pictet–Spengler approach.
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Affiliation(s)
| | - Mahendra Nath
- Department of Chemistry
- University of Delhi
- Delhi 110 007
- India
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26
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Abdelhameed M, Karsenti PL, Langlois A, Lefebvre JF, Richeter S, Ruppert R, Harvey PD. Unexpected Drastic Decrease in the Excited-State Electronic Communication between Porphyrin Chromophores Covalently Linked by a Palladium(II) Bridge. Chemistry 2014; 20:12988-3001. [DOI: 10.1002/chem.201403146] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/17/2014] [Revised: 05/23/2014] [Indexed: 11/11/2022]
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27
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Devillers CH, Hebié S, Lucas D, Cattey H, Clément S, Richeter S. Aromatic Nucleophilic Substitution (SNAr) of meso-Nitroporphyrin with Azide and Amines as an Alternative Metal Catalyst Free Synthetic Approach To Obtain meso-N-Substituted Porphyrins. J Org Chem 2014; 79:6424-34. [DOI: 10.1021/jo5005586] [Citation(s) in RCA: 46] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/23/2023]
Affiliation(s)
- Charles H. Devillers
- Institut de Chimie Moléculaire de l’Université
de Bourgogne, UMR CNRS 6302, Université de Bourgogne, BP 47870, 21078 Dijon Cedex, France
| | - Seydou Hebié
- Institut de Chimie Moléculaire de l’Université
de Bourgogne, UMR CNRS 6302, Université de Bourgogne, BP 47870, 21078 Dijon Cedex, France
| | - Dominique Lucas
- Institut de Chimie Moléculaire de l’Université
de Bourgogne, UMR CNRS 6302, Université de Bourgogne, BP 47870, 21078 Dijon Cedex, France
| | - Hélène Cattey
- Institut de Chimie Moléculaire de l’Université
de Bourgogne, UMR CNRS 6302, Université de Bourgogne, BP 47870, 21078 Dijon Cedex, France
| | - Sébastien Clément
- Institut Charles Gerhardt Montpellier ICGM,
UMR 5253 CNRS-ENSCM-UM2-UM1, Université Montpellier 2, Place
Eugène Bataillon, CC 1701, 34095 Montpellier Cedex 5, France
| | - Sébastien Richeter
- Institut Charles Gerhardt Montpellier ICGM,
UMR 5253 CNRS-ENSCM-UM2-UM1, Université Montpellier 2, Place
Eugène Bataillon, CC 1701, 34095 Montpellier Cedex 5, France
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28
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Haumesser J, Gisselbrecht JP, Karmazin-Brelot L, Bailly C, Weiss J, Ruppert R. Synthesis and Electrochemical Studies of Porphyrin Dimers Linked by Metallocarbenes. Organometallics 2014. [DOI: 10.1021/om5002099] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Julien Haumesser
- Institut de Chimie, UMR 7177
du CNRS, Université de Strasbourg, 1 Rue Blaise Pascal 67000 Strasbourg, France
| | - Jean-Paul Gisselbrecht
- Institut de Chimie, UMR 7177
du CNRS, Université de Strasbourg, 1 Rue Blaise Pascal 67000 Strasbourg, France
| | - Lydia Karmazin-Brelot
- Institut de Chimie, UMR 7177
du CNRS, Université de Strasbourg, 1 Rue Blaise Pascal 67000 Strasbourg, France
| | - Corinne Bailly
- Institut de Chimie, UMR 7177
du CNRS, Université de Strasbourg, 1 Rue Blaise Pascal 67000 Strasbourg, France
| | - Jean Weiss
- Institut de Chimie, UMR 7177
du CNRS, Université de Strasbourg, 1 Rue Blaise Pascal 67000 Strasbourg, France
| | - Romain Ruppert
- Institut de Chimie, UMR 7177
du CNRS, Université de Strasbourg, 1 Rue Blaise Pascal 67000 Strasbourg, France
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29
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Estimation of Excited State Dipolemoments from Solvatochromic Shifts-Effect of pH. J Fluoresc 2014; 24:599-612. [PMID: 24402679 DOI: 10.1007/s10895-013-1334-3] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/25/2013] [Accepted: 11/20/2013] [Indexed: 10/25/2022]
Abstract
Multicomponent, highly efficient, catalytic synthesis of some polysubstituted imidazole under solvent-free condition is reported. Characterization of polysubstituted imidazole have been carried out by X-ray diffraction (XRD) and spectral techniques. Electronic spectral studies reveal that their solvatochromic behavior depends not only on the polarity of the medium but also on the hydrogen bonding properties of the solvents. Specific hydrogen bonding interaction in polar solvents modulated the order of the two close lying lowest singlet states. The solvent effect on both the absorption and emission spectral results have been analyzed by multiple parametric regression analysis. Solvatochromic effects on the emission spectral position indicate the charge transfer (CT) character of the emitting singlet states both in a polar and a non polar environment. The fluorescence decays for the imidazole fit satisfactorily to a single exponential kinetics. The prototropic studies of N,N-dimethyl-4-(1,4,5-triphenyl-1H-imidazol-2-yl)naphthalen-1-amine (DTINA) reveal that two monocations [imidazole nitrogen protanated (MC1) and dimethylamino nitrogen protanated (MC2)] and a dication [both imidazole nitrogen and dimethylamino nitrogen protanated (DC)] are formed by protonation in both ground and excited states. These observations are in consistent with quantum chemical calculations.
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30
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Karunakaran C, Jayabharathi J, Sathishkumar R, Jayamoorthy K, Vimal K. Contrasting emission behaviour of phenanthroimidazole with ZnO nanoparticles. SPECTROCHIMICA ACTA. PART A, MOLECULAR AND BIOMOLECULAR SPECTROSCOPY 2013; 115:488-492. [PMID: 23871976 DOI: 10.1016/j.saa.2013.06.073] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/18/2013] [Revised: 05/10/2013] [Accepted: 06/20/2013] [Indexed: 06/02/2023]
Abstract
A new fluorophore 2-(4-fluorophenyl)-1-phenyl-1H-phenanthro [9,10-d]imidazole has been synthesized and characterized by spectroscopic techniques. Nanoparticulate ZnO enhances the fluorescence of the synthesised fluorophore. The absorption, fluorescence, lifetime, cyclic voltammetry and infrared studies reveal that fluorophore is attached to the surface of ZnO semiconductor. Photo-induced electron transfer (PET) explains the enhancement of fluorescence by nanoparticulate ZnO and the apparent binding constant has been obtained. Adsorption of the fluorophore on ZnO nanoparticle lowers the HOMO and LUMO energy levels of the fluorophore. The strong adsorption of the phenanthrimidazole derivative on the surface of ZnO nanocrystals is likely due to the chemical affinity of the nitrogen atom of the organic molecule to the zinc ion on the surface of nanocrystal.
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Affiliation(s)
- C Karunakaran
- Department of Chemistry, Annamalai University, Annamalainagar 608 002, Tamil Nadu, India
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31
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Karunakaran C, Jayabharathi J, Kalaiarasi V, Jayamoorthy K. Characterization and electronic spectral studies of 2-(naphthalen-1-yl)-4,5-diphenyl-1H-imidazole bound Fe2O3 nanoparticles. SPECTROCHIMICA ACTA. PART A, MOLECULAR AND BIOMOLECULAR SPECTROSCOPY 2013; 120:84-87. [PMID: 24177874 DOI: 10.1016/j.saa.2013.09.101] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/26/2013] [Revised: 09/07/2013] [Accepted: 09/26/2013] [Indexed: 06/02/2023]
Abstract
Multicomponent, one-pot, highly efficient, indium trifluoride (InF3) catalytic synthesis of 2-(naphthalen-1-yl)-4,5-diphenyl-1H-imidazole under solvent-free condition is reported. Characterization of imidazole has been carried out by spectral techniques. The synthesized phosphated imidazole (PI) and phosphated imidazole bound magnetic nanoparticles (PIBMN) were characterized using Fourier-transform infrared spectroscopy (FT-IR), scanning electron microscopy (SEM), energy dispersive X-ray spectroscopy (EDS) and powder X-ray diffraction (XRD). The photophysical characteristics of the synthesized phosphated imidazole and phosphated imidazole bound magnetic nanoparticles were investigated by steady-state absorption and emission spectroscopy as well as time resolved fluorometry. From these experiments, the position of the spectral maxima (λabs, λexc and λemi), and lifetime (τ) of the synthesized phosphated imidazole and phosphated imidazole bound magnetic nanoparticle have been determined.
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Affiliation(s)
- C Karunakaran
- Department of Chemistry, Annamalai University, Annamalainagar 608 002, Tamilnadu, India
| | - J Jayabharathi
- Department of Chemistry, Annamalai University, Annamalainagar 608 002, Tamilnadu, India.
| | - V Kalaiarasi
- Department of Chemistry, Annamalai University, Annamalainagar 608 002, Tamilnadu, India
| | - K Jayamoorthy
- Department of Chemistry, Annamalai University, Annamalainagar 608 002, Tamilnadu, India
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32
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Lefebvre JF, Lo M, Gisselbrecht JP, Coulembier O, Clément S, Richeter S. Porphyrins Fused to N-Heterocyclic Carbenes (NHCs): Modulation of the Electronic and Catalytic Properties of NHCs by the Central Metal of the Porphyrin. Chemistry 2013; 19:15652-60. [DOI: 10.1002/chem.201301483] [Citation(s) in RCA: 28] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/18/2013] [Revised: 07/30/2013] [Indexed: 12/14/2022]
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33
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Karunakaran C, Jayabharathi J, Jayamoorthy K. Fluorescence quenching of organic molecule by insulator. SPECTROCHIMICA ACTA. PART A, MOLECULAR AND BIOMOLECULAR SPECTROSCOPY 2013; 112:417-421. [PMID: 23707997 DOI: 10.1016/j.saa.2013.04.093] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/15/2012] [Revised: 04/12/2013] [Accepted: 04/24/2013] [Indexed: 06/02/2023]
Abstract
A new kind of fluorophore 2-(4-fluorophenyl)-1-phenyl-1H-benzo[d]imidazole (FPPBI) has been synthesized and characterized by (1)H NMR, (13)C NMR, mass spectral studies and single crystal XRD. The energy transfer from FPPBI to Al2O3 nanocrystals has been studied by absorption, fluorescence and lifetime spectroscopic methods. The association between nanoparticles and FPPBI is explained from both absorption and fluorescence quenching data. The distance between FPPBI and Al2O3 as well as the critical energy transfer distance has been deduced.
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Affiliation(s)
- C Karunakaran
- Department of Chemistry, Annamalai University, Annamalainagar 608 002, Tamilnadu, India
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34
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Ostrowski S, Grzyb S. Direct β-amination reaction in porphyrin systems—a simple route to compounds containing two nitrogen substituents at both β-positions of the same pyrrole unit. Tetrahedron Lett 2012. [DOI: 10.1016/j.tetlet.2012.09.024] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
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35
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Jia H, Schmid B, Liu SX, Jaggi M, Monbaron P, Bhosale SV, Rivadehi S, Langford SJ, Sanguinet L, Levillain E, El-Khouly ME, Morita Y, Fukuzumi S, Decurtins S. Tetrathiafulvalene-Fused Porphyrins via Quinoxaline Linkers: Symmetric and Asymmetric Donor-Acceptor Systems. Chemphyschem 2012; 13:3370-82. [DOI: 10.1002/cphc.201200350] [Citation(s) in RCA: 30] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/23/2012] [Revised: 06/01/2012] [Indexed: 11/10/2022]
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36
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Karunakaran C, Jayabharathi J, Jayamoorthy K, Devi KB. Photoinduced electron-transfer from imidazole derivative to nano-semiconductors. SPECTROCHIMICA ACTA. PART A, MOLECULAR AND BIOMOLECULAR SPECTROSCOPY 2012; 89:187-193. [PMID: 22261106 DOI: 10.1016/j.saa.2011.12.065] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/20/2011] [Revised: 11/24/2011] [Accepted: 12/21/2011] [Indexed: 05/31/2023]
Abstract
Bioactive imidazole derivative absorbs in the UV region at 305 nm. The interaction of imidazole derivative with nanoparticulate WO3, Fe2O3, Fe3O4, CuO, ZrO2 and Al2O3 has been studied by UV-visible absorption, FT-IR and fluorescence spectroscopies. The imidazole derivative adsorbs strongly on the surfaces of nanosemiconductor, the apparent binding constants for the association between nanomaterials and imidazole derivative have been determined from the fluorescence quenching. In the case of nanocrystalline insulator, fluorescence quenching through electron transfer from the excited state of the imidazole derivative to alumina is not possible. However, a possible mechanism for the quenching of fluorescence by the insulator is energy transfer, that is, energy transferred from the organic molecule to the alumina lattice. Based on Forster's non-radiation energy transfer theory, the distance between the imidazole derivative and nanoparticles (r0∼2.00 nm) as well as the critical energy transfer distance (R0∼1.70 nm) has been calculated. The interaction between the imidazole derivative and nanosurfaces occurs through static quenching mechanism. The free energy change (ΔGet) for electron transfer process has been calculated by applying Rehm-Weller equation.
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Affiliation(s)
- C Karunakaran
- Department of Chemistry, Annamalai University, Annamalainagar 608002, Tamilnadu, India
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37
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Photosensitization of Imidazole Derivative by ZnO Nanoparticle. J Fluoresc 2012; 22:1047-53. [DOI: 10.1007/s10895-012-1042-4] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/03/2011] [Accepted: 03/07/2012] [Indexed: 11/27/2022]
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38
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Haumesser J, Gisselbrecht JP, Weiss J, Ruppert R. Carbene spacers in bis-porphyrinic scaffolds. Chem Commun (Camb) 2012; 48:11653-5. [DOI: 10.1039/c2cc36800e] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
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39
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Lo M, Lefebvre JF, Marcotte N, Tonnelé C, Beljonne D, Lazzaroni R, Clément S, Richeter S. Synthesis of stable free base secochlorins and their corresponding metal complexes from meso-tetraarylporphyrin derivatives. Chem Commun (Camb) 2012; 48:3460-2. [DOI: 10.1039/c2cc17951b] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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40
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Sharma S, Nath M. An efficient synthetic approach to novel nickel(II) 2-benzazolo-5,10,15,20-tetraphenylporphyrins. J Heterocycl Chem 2011. [DOI: 10.1002/jhet.664] [Citation(s) in RCA: 12] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
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41
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Lo M, Lefebvre JF, Leclercq D, van der Lee A, Richeter S. Stepwise Fusion of Porphyrin β,β′-Pyrrolic Positions to Imidazole Rings. Org Lett 2011; 13:3110-3. [DOI: 10.1021/ol2010215] [Citation(s) in RCA: 27] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Mamadou Lo
- Institut Charles Gerhardt Montpellier, UMR 5253 CNRS-UM2-ENSCM-UM1 équipe Chimie Moléculaire et Organisation du Solide, Université Montpellier 2, bâtiment 17, and Institut Européen des Membranes, UM2, CNRS, ENSCM, CC 045, Université Montpellier 2, Place Eugène Bataillon, 34095 Montpellier Cedex 05, France
| | - Jean-François Lefebvre
- Institut Charles Gerhardt Montpellier, UMR 5253 CNRS-UM2-ENSCM-UM1 équipe Chimie Moléculaire et Organisation du Solide, Université Montpellier 2, bâtiment 17, and Institut Européen des Membranes, UM2, CNRS, ENSCM, CC 045, Université Montpellier 2, Place Eugène Bataillon, 34095 Montpellier Cedex 05, France
| | - Dominique Leclercq
- Institut Charles Gerhardt Montpellier, UMR 5253 CNRS-UM2-ENSCM-UM1 équipe Chimie Moléculaire et Organisation du Solide, Université Montpellier 2, bâtiment 17, and Institut Européen des Membranes, UM2, CNRS, ENSCM, CC 045, Université Montpellier 2, Place Eugène Bataillon, 34095 Montpellier Cedex 05, France
| | - Arie van der Lee
- Institut Charles Gerhardt Montpellier, UMR 5253 CNRS-UM2-ENSCM-UM1 équipe Chimie Moléculaire et Organisation du Solide, Université Montpellier 2, bâtiment 17, and Institut Européen des Membranes, UM2, CNRS, ENSCM, CC 045, Université Montpellier 2, Place Eugène Bataillon, 34095 Montpellier Cedex 05, France
| | - Sébastien Richeter
- Institut Charles Gerhardt Montpellier, UMR 5253 CNRS-UM2-ENSCM-UM1 équipe Chimie Moléculaire et Organisation du Solide, Université Montpellier 2, bâtiment 17, and Institut Européen des Membranes, UM2, CNRS, ENSCM, CC 045, Université Montpellier 2, Place Eugène Bataillon, 34095 Montpellier Cedex 05, France
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42
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Lefebvre JF, Lo M, Leclercq D, Richeter S. N-Heterocyclic carbene (NHC) ligands annulated to free-base porphyrins: modulation of the electronic properties of the NHC upon protonation or metallation of the porphyrin. Chem Commun (Camb) 2011; 47:2976-8. [DOI: 10.1039/c0cc05052k] [Citation(s) in RCA: 30] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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