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Rajput SS, Raghuvanshi N, Banana T, Yadav P, Alam MM. Why does the orientation of azulene affect the two-photon activity of a porphyrinoid-azulene system? Phys Chem Chem Phys 2024; 26:15611-15619. [PMID: 38758026 DOI: 10.1039/d4cp00438h] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/18/2024]
Abstract
Attaching a dipolar molecule in a symmetric system induces a major change in the electronic structure, which may be reflected as the enhancement of the optical and charge-transfer properties of the combined system as compared to the pristine ones. Furthermore, the orientation of the dipolar molecule may also affect the said properties. This idea is explored in this work by taking porphyrinoid molecules as the pristine systems. We attached azulene, a dipolar molecule, at various positions of five porphyrinoid cores and studied the effect on charge-transfer and one- and two-photon absorption properties using the state-of-the-art RICC2 method. The attachment of azulene produces two major effects - firstly it introduces asymmetry in the system and, secondly, being dipolar, it makes the resultant molecule dipolar/quadrupolar. Porphyrin, N-confused porphyrin, sub-porphyrin, sapphyrin, and hexaphyrin are used as core porphyrinoid systems. The change in charge-transfer has been studied using the orbital analysis and charge-transfer distance parameter for the first five singlet states of the systems. The effect of orientation of azulene on the said properties is also explored. The insights gained from our observations are explored further at the dipole and transition dipole moment levels using a three-state model.
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Affiliation(s)
- Swati Singh Rajput
- Department of Chemistry, Indian Institute of Technology Bhilai, Durg, Chhattisgarh-491001, India.
| | - Nikita Raghuvanshi
- Centre for Basic Sciences, Pt. Ravishankar Shukla University, Raipur, Chhattisgarh, India
- School of Studies in Chemistry, Pt. Ravishankar Shukla University, Raipur, India
| | - Tejendra Banana
- Department of Chemistry, Indian Institute of Technology Bhilai, Durg, Chhattisgarh-491001, India.
| | - Pooja Yadav
- Department of Chemistry, Indian Institute of Technology Bhilai, Durg, Chhattisgarh-491001, India.
| | - Md Mehboob Alam
- Department of Chemistry, Indian Institute of Technology Bhilai, Durg, Chhattisgarh-491001, India.
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Watanabe K, Pati NN, Inokuma Y. Contracted porphyrins and calixpyrroles: synthetic challenges and ring-contraction effects. Chem Sci 2024; 15:6994-7009. [PMID: 38756809 PMCID: PMC11095365 DOI: 10.1039/d4sc02028f] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/27/2024] [Accepted: 04/19/2024] [Indexed: 05/18/2024] Open
Abstract
Ring-contracted porphyrin analogues, such as subporphyrins and calix[3]pyrroles, have recently attracted considerable attention not only as challenging synthetic targets but also as functional macrocyclic compounds. Although canonical porphyrins and calix[4]pyrrole are selectively generated via acid-catalyzed condensation reactions of pyrrole monomers, their tripyrrolic analogues are always missing under similar conditions. Recent progress in synthesis has shown that strain-controlled approaches using boron(iii)-templating, core-modification, or ring tightening provide access to various contracted porphyrins. The tripyrrolic macrocycles are a new class of functional macrocycles exhibiting unique ring-contraction effects, including strong boron chelation and strain-induced ring expansion. This Perspective reviews recent advances in synthetic strategies and the novel ring-contraction effects of subporphyrins, triphyrins(2.1.1), calix[3]pyrroles, and their analogous.
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Affiliation(s)
- Keita Watanabe
- Division of Applied Chemistry, Faculty of Engineering, Hokkaido University Kita 13, Nishi 8 Kita-ku Sapporo Hokkaido 060-8628 Japan
| | - Narendra Nath Pati
- Institute for Chemical Reaction Design and Discovery (WPI-ICReDD), Hokkaido University Kita 21, Nishi 10, Kita-ku Sapporo Hokkaido 001-0021 Japan
| | - Yasuhide Inokuma
- Division of Applied Chemistry, Faculty of Engineering, Hokkaido University Kita 13, Nishi 8 Kita-ku Sapporo Hokkaido 060-8628 Japan
- Institute for Chemical Reaction Design and Discovery (WPI-ICReDD), Hokkaido University Kita 21, Nishi 10, Kita-ku Sapporo Hokkaido 001-0021 Japan
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Yadav B, Ravikanth M. Porphyrinoid framework embedded with polycyclic aromatic hydrocarbons: new synthetic marvels. Org Biomol Chem 2024; 22:1932-1960. [PMID: 38376865 DOI: 10.1039/d3ob02116e] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/21/2024]
Abstract
The highly conjugated tetrapyrrolic porphyrin macrocycle and its contracted and expanded congeners have been extensively used for a wide range of applications across diverse research domains because of their captivating and intriguing features. Over the years, the porphyrin framework and electronic properties of porphyrinoids have been modified and tuned by replacing one or more pyrrole ring(s) with five- and six-membered heterocycles/carbacycles, and their resulting properties have been explored. In recent times, polycyclic aromatic hydrocarbons (PAHs), such as biphenyl, terphenyl, naphthalene, anthracene, phenanthrene, fluorene, pyrene and dibenzo[g,p]chrysene, have been used to replace one or more pyrrole rings of porphyrinoids, and resulting polycyclic-aromatic-embedded porphyrinoids show unique features that differ from those of other modified porphyrinoids. The polycyclic aromatic hydrocarbons in the porphyrinoid macrocyclic framework induce different π-conjugation pathways in macrocycles, exhibit variable degrees of aromaticity from nonaromatic to aromatic and antiaromatic and provide a unique ligand environment to form stable coordination and organometallic complexes in which metals show uncommon oxidation states and unusual reactivity. This review presents an overview of the synthesis, coordination chemistry, structure and properties of various porphyrinoids with an embedded PAH that have been reported to date.
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Affiliation(s)
- Bharti Yadav
- Department of Chemistry, Indian Institute of Technology Bombay, Mumbai 400076, India.
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Sun M, Xie Y, Baryshnikov G, Li C, Sha F, Wu X, Ågren H, Li S, Li Q. Mono- and bis-Pd(ii) complexes of N-confused dithiahexaphyrin(1.1.1.1.1.0) with the absorption and aromaticity modulated by Pd(ii) coordination, macrocycle contraction and ancillary ligands. Chem Sci 2024; 15:2047-2054. [PMID: 38332829 PMCID: PMC10848665 DOI: 10.1039/d3sc05473j] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/16/2023] [Accepted: 01/02/2024] [Indexed: 02/10/2024] Open
Abstract
To further enrich the coordination chemistry of hexaphyrins and probe the underlying property-structural correlations, N-confused dithiahexaphyrin(1.1.1.1.1.0) (1) with 26 π-electron Hückel aromaticity was synthesized. Based on its unprecedented two unsymmetrical cavities, five palladium complexes 2, 3, 4-Ph, 4-Cl and 5 have been successfully synthesized under various coordinations. Thus, two mono-Pd(ii) complexes 2 and 3 with the Pd(ii) atom coordinated in the two different cavities were obtained by treating 1 with palladium reagents PdCl2, and (PPh3)2PdCl2 respectively. On this basis, bis-Pd(ii) complexes 4-Ph and 4-Cl were synthesized by treating 2 and 3 with (PPh3)2PdCl2 and PdCl2, respectively. As a result, both 4-Ph and 4-Cl contain two Pd(ii) atoms coordinated within the two cavities, with one of the Pd(ii) atoms further coordinated to a triphenylphosphine ligand in addition to an anionic ancillary ligand of Ph- and Cl-, respectively. Notably, a further contracted mono-Pd(ii) complex 5 was synthesized by treating 1 with Pd(PPh3)4 by eliminating one of the meso-carbon atoms together with the corresponding C6F5 moiety. These complexes present tunable 26 π aromaticity and NIR absorption up to 1060 nm. This work provides an effective approach for developing distinctive porphyrinoid Pd(ii) complexes from a single porphyrinoid, without resorting to tedious syntheses of a series of porphyrinoid ligands.
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Affiliation(s)
- Meng Sun
- Key Laboratory for Advanced Materials, Frontiers Science Center for Materiobiology and Dynamic Chemistry, Institute of Fine Chemicals, School of Chemistry and Molecular Engineering, East China University of Science and Technology Shanghai 200237 China
| | - Yongshu Xie
- Key Laboratory for Advanced Materials, Frontiers Science Center for Materiobiology and Dynamic Chemistry, Institute of Fine Chemicals, School of Chemistry and Molecular Engineering, East China University of Science and Technology Shanghai 200237 China
- College of Material, Chemistry and Chemical Engineering, Key Laboratory of Organosilicon Chemistry and Material Technology of Ministry of Education, Hangzhou Normal University Hangzhou 311121 China
| | - Glib Baryshnikov
- Department of Science and Technology, Laboratory of Organic Electronics, Linköping University SE-601 74 Norrköping Sweden
| | - Chengjie Li
- Key Laboratory for Advanced Materials, Frontiers Science Center for Materiobiology and Dynamic Chemistry, Institute of Fine Chemicals, School of Chemistry and Molecular Engineering, East China University of Science and Technology Shanghai 200237 China
| | - Feng Sha
- Key Laboratory for Advanced Materials, Frontiers Science Center for Materiobiology and Dynamic Chemistry, Institute of Fine Chemicals, School of Chemistry and Molecular Engineering, East China University of Science and Technology Shanghai 200237 China
| | - Xinyan Wu
- Key Laboratory for Advanced Materials, Frontiers Science Center for Materiobiology and Dynamic Chemistry, Institute of Fine Chemicals, School of Chemistry and Molecular Engineering, East China University of Science and Technology Shanghai 200237 China
| | - Hans Ågren
- Department of Physics and Astronomy, Uppsala University SE-751 20 Uppsala Sweden
| | - Shijun Li
- College of Material, Chemistry and Chemical Engineering, Key Laboratory of Organosilicon Chemistry and Material Technology of Ministry of Education, Hangzhou Normal University Hangzhou 311121 China
| | - Qizhao Li
- Key Laboratory for Advanced Materials, Frontiers Science Center for Materiobiology and Dynamic Chemistry, Institute of Fine Chemicals, School of Chemistry and Molecular Engineering, East China University of Science and Technology Shanghai 200237 China
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Matviyishyn M, Szyszko B. Tying a knot between crown ethers and porphyrins. Beilstein J Org Chem 2023; 19:1630-1650. [PMID: 37915556 PMCID: PMC10616700 DOI: 10.3762/bjoc.19.120] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/11/2023] [Accepted: 10/10/2023] [Indexed: 11/03/2023] Open
Abstract
Porphyrins and crown ether hybrids have emerged as a promising class of molecules composed of elements of a tetrapyrrole macrocycle and an oligo(ethylene glycol) segment. These hybrid systems constitute a broad group of compounds, including crowned porphyrins, crownphyrins, and calixpyrrole-crown ether systems forming Pacman complexes with transition metals. Their unique nature accustoms them as excellent ligands and hosts capable of binding guest molecules/ions, but also to undergo unusual transformations, such as metal-induced expansion/contraction. Depending on the design of the particular hybrid, they present unique features involving intriguing redox chemistry, interesting optical properties, and reactivity towards transition metals. In this perspective article, the overview of both the early designs of porphyrin-crown ether hybrids, as well as the most recent advances in the synthesis and characterisation of this remarkable group of macrocyclic systems, are addressed. The discussion covers the strategies employed in synthesising these systems, including cyclisation reactions, self-assembly, and their remarkable reactivity. The potential applications of porphyrin-crown ether hybrids are also highlighted. Moreover, the discussion identifies the challenges associated with synthesising and characterising hybrids, outlining the possible future directions.
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Affiliation(s)
- Maksym Matviyishyn
- Faculty of Chemistry, University of Wrocław, 14 F. Joliot-Curie St., 50-383 Wrocław, Poland
| | - Bartosz Szyszko
- Faculty of Chemistry, University of Wrocław, 14 F. Joliot-Curie St., 50-383 Wrocław, Poland
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Lin P, Xiong S, Rao Y, Xu L, Zhou M, Yin B, Osuka A, Song J. Heptagon/Octagon-Fused Diporphyrins or Spiro-Pentagon-Bridged Dichlorin from p-Terphenylene-Bridged Diporphyrin. Chem Asian J 2023; 18:e202300018. [PMID: 36725682 DOI: 10.1002/asia.202300018] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/06/2023] [Revised: 01/25/2023] [Accepted: 02/01/2023] [Indexed: 02/03/2023]
Abstract
Intramolecular fusion reactions of a p-terphenylene-bridged NiII porphyrin dimer gave different products, depending upon reaction conditions. Oxidation with Fe(OTf)3 provided syn- and anti-doubly heptagon-fused NiII porphyrin dimers showing enlarged π-electronic networks, probably via a radical mechanism, while treatment with methanesulfonic acid provided a spiro-pentagon-bridged NiII chlorin dimer via acid-catalyzed Friedel-Crafts type cyclization. Further, a doubly octagon-fused NiII porphyrin dimer was synthesized via a sequence of double meso-formylation, reduction to corresponding diol, and BF3 -catalyzed cyclization.
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Affiliation(s)
- Peng Lin
- Key Laboratory of Chemical Biology and Traditional Chinese Medicine, Ministry of Education of China, Key Laboratory of the Assembly and Application of Organic Functional Molecules of Hunan Province, College of Chemistry and Chemical Engineering, Hunan Normal University, Changsha, 410081, P. R. China
| | - Shugang Xiong
- Key Laboratory of Chemical Biology and Traditional Chinese Medicine, Ministry of Education of China, Key Laboratory of the Assembly and Application of Organic Functional Molecules of Hunan Province, College of Chemistry and Chemical Engineering, Hunan Normal University, Changsha, 410081, P. R. China
| | - Yutao Rao
- Key Laboratory of Chemical Biology and Traditional Chinese Medicine, Ministry of Education of China, Key Laboratory of the Assembly and Application of Organic Functional Molecules of Hunan Province, College of Chemistry and Chemical Engineering, Hunan Normal University, Changsha, 410081, P. R. China
| | - Ling Xu
- Key Laboratory of Chemical Biology and Traditional Chinese Medicine, Ministry of Education of China, Key Laboratory of the Assembly and Application of Organic Functional Molecules of Hunan Province, College of Chemistry and Chemical Engineering, Hunan Normal University, Changsha, 410081, P. R. China
| | - Mingbo Zhou
- Key Laboratory of Chemical Biology and Traditional Chinese Medicine, Ministry of Education of China, Key Laboratory of the Assembly and Application of Organic Functional Molecules of Hunan Province, College of Chemistry and Chemical Engineering, Hunan Normal University, Changsha, 410081, P. R. China
| | - Bangshao Yin
- Key Laboratory of Chemical Biology and Traditional Chinese Medicine, Ministry of Education of China, Key Laboratory of the Assembly and Application of Organic Functional Molecules of Hunan Province, College of Chemistry and Chemical Engineering, Hunan Normal University, Changsha, 410081, P. R. China
| | - Atsuhiro Osuka
- Key Laboratory of Chemical Biology and Traditional Chinese Medicine, Ministry of Education of China, Key Laboratory of the Assembly and Application of Organic Functional Molecules of Hunan Province, College of Chemistry and Chemical Engineering, Hunan Normal University, Changsha, 410081, P. R. China
| | - Jianxin Song
- Key Laboratory of Chemical Biology and Traditional Chinese Medicine, Ministry of Education of China, Key Laboratory of the Assembly and Application of Organic Functional Molecules of Hunan Province, College of Chemistry and Chemical Engineering, Hunan Normal University, Changsha, 410081, P. R. China
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7
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Gonzalez Lopez EJ, Santamarina SC, Alvarez MG, Heredia DA, Durantini EN. Porphycenes as broad-spectrum antimicrobial photosensitizers. Potentiation with potassium iodide. J Photochem Photobiol A Chem 2023. [DOI: 10.1016/j.jphotochem.2022.114288] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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8
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Gonzalez Lopez EJ, Martínez SR, Aiassa V, Santamarina SC, Domínguez RE, Durantini EN, Heredia DA. Tuning the Molecular Structure of Corroles to Enhance the Antibacterial Photosensitizing Activity. Pharmaceutics 2023; 15:pharmaceutics15020392. [PMID: 36839714 PMCID: PMC9959985 DOI: 10.3390/pharmaceutics15020392] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/08/2022] [Revised: 01/12/2023] [Accepted: 01/20/2023] [Indexed: 01/26/2023] Open
Abstract
The increase in the antibiotic resistance of bacteria is a serious threat to public health. Photodynamic inactivation (PDI) of micro-organisms is a reliable antimicrobial therapy to treat a broad spectrum of complex infections. The development of new photosensitizers with suitable properties is a key factor to consider in the optimization of this therapy. In this sense, four corroles were designed to study how the number of cationic centers can influence the efficacy of antibacterial photodynamic treatments. First, 5,10,15-Tris(pentafluorophenyl)corrole (Co) and 5,15-bis(pentafluorophenyl)-10-(4-(trifluoromethyl)phenyl)corrole (Co-CF3) were synthesized, and then derivatized by nucleophilic aromatic substitution with 2-dimethylaminoethanol and 2-(dimethylamino)ethylamine, obtaining corroles Co-3NMe2 and Co-CF3-2NMe2, respectively. The straightforward synthetic strategy gave rise to macrocycles with different numbers of tertiary amines that can acquire positive charges in an aqueous medium by protonation at physiological pH. Spectroscopic and photodynamic studies demonstrated that their properties as chromophores and photosensitizers were unaffected, regardless of the substituent groups on the periphery. All tetrapyrrolic macrocycles were able to produce reactive oxygen species (ROS) by both photodynamic mechanisms. Uptake experiments, the level of ROS produced in vitro, and PDI treatments mediated by these compounds were assessed against clinical strains: methicillin-resistant Staphylococcus aureus and Klebsiella pneumoniae. In vitro experiments indicated that the peripheral substitution significantly affected the uptake of the photosensitizers by microbes and, consequently, the photoinactivation performance. Co-3NMe2 was the most effective in killing both Gram-positive and Gram-negative bacteria (inactivation > 99.99%). This work lays the foundations for the development of new corrole derivatives having pH-activable cationic groups and with plausible applications as effective broad-spectrum antimicrobial photosensitizers.
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Affiliation(s)
- Edwin J. Gonzalez Lopez
- IDAS-CONCIET-UNRC, Departamento de Química, Facultad de Ciencias Exactas Físico-Químicas y Naturales, Universidad Nacional de Río Cuarto, Agencia Postal Nro. 3, Río Cuarto X5804BYA, Argentina
| | - Sol R. Martínez
- IITEMA-CONICET, Departamento de Química, Facultad de Ciencias Exactas Físico-Químicas y Naturales, Universidad Nacional de Río Cuarto, Agencia Postal Nro. 3, Río Cuarto X5804BYA, Argentina
| | - Virginia Aiassa
- UNITEFA-CONICET, Departamento de Ciencias Farmacéuticas, Facultad de Ciencias Químicas, Universidad Nacional de Córdoba, Córdoba X5000HUA, Argentina
| | - Sofía C. Santamarina
- IDAS-CONCIET-UNRC, Departamento de Química, Facultad de Ciencias Exactas Físico-Químicas y Naturales, Universidad Nacional de Río Cuarto, Agencia Postal Nro. 3, Río Cuarto X5804BYA, Argentina
| | - Rodrigo E. Domínguez
- INFIQC-CONICET, Departamento de Química Orgánica, Facultad de Ciencias Químicas, Universidad Nacional de Córdoba, Córdoba X5000HUA, Argentina
| | - Edgardo N. Durantini
- IDAS-CONCIET-UNRC, Departamento de Química, Facultad de Ciencias Exactas Físico-Químicas y Naturales, Universidad Nacional de Río Cuarto, Agencia Postal Nro. 3, Río Cuarto X5804BYA, Argentina
| | - Daniel A. Heredia
- IDAS-CONCIET-UNRC, Departamento de Química, Facultad de Ciencias Exactas Físico-Químicas y Naturales, Universidad Nacional de Río Cuarto, Agencia Postal Nro. 3, Río Cuarto X5804BYA, Argentina
- Correspondence: ; Tel.: +54-0358-4676-538
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9
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Shu H, Guo M, Wang M, Zhou M, Zhou B, Xu L, Rao Y, Yin B, Osuka A, Song J. Efficient Synthesis of Multiply Seven‐Membered‐Ring Fused Porphyrins by Rhodium‐Catalyzed [5+2] Annulation. Angew Chem Int Ed Engl 2022; 61:e202209594. [DOI: 10.1002/anie.202209594] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/30/2022] [Indexed: 11/07/2022]
Affiliation(s)
- Hui Shu
- Key Laboratory of Chemical Biology and Traditional Chinese Medicine Ministry of Educational of China Key Laboratory of the Assembly and Application of Organic Functional Molecules of Hunan Province College of Chemistry and Chemical Engineering Hunan Normal University Changsha 410081 China
| | - Mengjie Guo
- Key Laboratory of Chemical Biology and Traditional Chinese Medicine Ministry of Educational of China Key Laboratory of the Assembly and Application of Organic Functional Molecules of Hunan Province College of Chemistry and Chemical Engineering Hunan Normal University Changsha 410081 China
| | - Machongyang Wang
- Key Laboratory of Chemical Biology and Traditional Chinese Medicine Ministry of Educational of China Key Laboratory of the Assembly and Application of Organic Functional Molecules of Hunan Province College of Chemistry and Chemical Engineering Hunan Normal University Changsha 410081 China
| | - Mingbo Zhou
- Key Laboratory of Chemical Biology and Traditional Chinese Medicine Ministry of Educational of China Key Laboratory of the Assembly and Application of Organic Functional Molecules of Hunan Province College of Chemistry and Chemical Engineering Hunan Normal University Changsha 410081 China
| | - Bixiang Zhou
- Key Laboratory of Chemical Biology and Traditional Chinese Medicine Ministry of Educational of China Key Laboratory of the Assembly and Application of Organic Functional Molecules of Hunan Province College of Chemistry and Chemical Engineering Hunan Normal University Changsha 410081 China
| | - Ling Xu
- Key Laboratory of Chemical Biology and Traditional Chinese Medicine Ministry of Educational of China Key Laboratory of the Assembly and Application of Organic Functional Molecules of Hunan Province College of Chemistry and Chemical Engineering Hunan Normal University Changsha 410081 China
| | - Yutao Rao
- Key Laboratory of Chemical Biology and Traditional Chinese Medicine Ministry of Educational of China Key Laboratory of the Assembly and Application of Organic Functional Molecules of Hunan Province College of Chemistry and Chemical Engineering Hunan Normal University Changsha 410081 China
| | - Bangshao Yin
- Key Laboratory of Chemical Biology and Traditional Chinese Medicine Ministry of Educational of China Key Laboratory of the Assembly and Application of Organic Functional Molecules of Hunan Province College of Chemistry and Chemical Engineering Hunan Normal University Changsha 410081 China
| | - Atsuhiro Osuka
- Key Laboratory of Chemical Biology and Traditional Chinese Medicine Ministry of Educational of China Key Laboratory of the Assembly and Application of Organic Functional Molecules of Hunan Province College of Chemistry and Chemical Engineering Hunan Normal University Changsha 410081 China
| | - Jianxin Song
- Key Laboratory of Chemical Biology and Traditional Chinese Medicine Ministry of Educational of China Key Laboratory of the Assembly and Application of Organic Functional Molecules of Hunan Province College of Chemistry and Chemical Engineering Hunan Normal University Changsha 410081 China
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10
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Rao Y, Xu L, Zhou M, Yin B, Osuka A, Song J. Expanded Azaporphyrins Consisting of Multiple BODIPY Units: Global Aromaticity and High Affinities Towards Alkali Metal Ions. Angew Chem Int Ed Engl 2022; 61:e202206899. [DOI: 10.1002/anie.202206899] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/11/2022] [Indexed: 11/10/2022]
Affiliation(s)
- Yutao Rao
- Key Laboratory of Chemical Biology and Traditional Chinese Medicine Ministry of Educational of China, Key Laboratory of the Assembly and Application of Organic Functional Molecules of Hunan Province College of Chemistry and Chemical Engineering Hunan Normal University Changsha 410081 China
| | - Ling Xu
- Key Laboratory of Chemical Biology and Traditional Chinese Medicine Ministry of Educational of China, Key Laboratory of the Assembly and Application of Organic Functional Molecules of Hunan Province College of Chemistry and Chemical Engineering Hunan Normal University Changsha 410081 China
| | - Mingbo Zhou
- Key Laboratory of Chemical Biology and Traditional Chinese Medicine Ministry of Educational of China, Key Laboratory of the Assembly and Application of Organic Functional Molecules of Hunan Province College of Chemistry and Chemical Engineering Hunan Normal University Changsha 410081 China
| | - Bangshao Yin
- Key Laboratory of Chemical Biology and Traditional Chinese Medicine Ministry of Educational of China, Key Laboratory of the Assembly and Application of Organic Functional Molecules of Hunan Province College of Chemistry and Chemical Engineering Hunan Normal University Changsha 410081 China
| | - Atsuhiro Osuka
- Key Laboratory of Chemical Biology and Traditional Chinese Medicine Ministry of Educational of China, Key Laboratory of the Assembly and Application of Organic Functional Molecules of Hunan Province College of Chemistry and Chemical Engineering Hunan Normal University Changsha 410081 China
| | - Jianxin Song
- Key Laboratory of Chemical Biology and Traditional Chinese Medicine Ministry of Educational of China, Key Laboratory of the Assembly and Application of Organic Functional Molecules of Hunan Province College of Chemistry and Chemical Engineering Hunan Normal University Changsha 410081 China
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11
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Shu H, Guo M, Wang M, Zhou M, Zhou B, Xu L, Rao Y, Yin B, Osuka A, Song J. Efficient Synthesis of Multiply Seven‐Membered‐Ring Fused Porphyrins by Rhodium‐Catalyzed [5+2] Annulation. Angew Chem Int Ed Engl 2022. [DOI: 10.1002/ange.202209594] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Affiliation(s)
- Hui Shu
- Hunan Normal University - Erliban Campus: Hunan Normal University Chemistry CHINA
| | - Mengjie Guo
- Hunan Normal University - Erliban Campus: Hunan Normal University Chemistry CHINA
| | - Machongyang Wang
- Hunan Normal University - Erliban Campus: Hunan Normal University Chemistry CHINA
| | - Mingbo Zhou
- Hunan Normal University - Erliban Campus: Hunan Normal University Chemistry CHINA
| | - Bixiang Zhou
- Hunan Normal University - Erliban Campus: Hunan Normal University Chemistry CHINA
| | - Ling Xu
- Hunan Normal University - Erliban Campus: Hunan Normal University Chemistry CHINA
| | - Yutao Rao
- Hunan Normal University - Erliban Campus: Hunan Normal University Chemistry CHINA
| | - Bangshao Yin
- Hunan Normal University - Erliban Campus: Hunan Normal University Chemistry CHINA
| | - Atsuhiro Osuka
- Hunan Normal University - Erliban Campus: Hunan Normal University Chemistry CHINA
| | - Jianxin Song
- Hunan Normal University Chemistry Yue Lu Qu Lushan Road 36 410081 Changsha CHINA
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12
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Shetti VS. Conformationally rigid, π-extended annulated porphyrinoids derived from the naphthobipyrrole motif. Org Biomol Chem 2022; 20:4452-4470. [PMID: 35579080 DOI: 10.1039/d2ob00566b] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
π-Extension in porphyrinoids can be achieved by fusing additional aromatic rings onto the macrocycle's periphery and such porphyrinoids are referred to as annulated porphyrinoids. Annulated porphyrinoids display contrasting properties in comparison with their non-annulated congeners. While an annulation strategy can create π-extended systems, the simultaneous incorporation of conformational rigidity in such porphyrinoids can ensure that they adopt a planar structure, and the advantages associated with the extended π-network can be leveraged. Hence, while synthesizing such porphyrinoids, judicial selection of the precursor becomes important. The ease of synthesis and the presence of a β-β'-linked o-phenylene bridge qualify 3,8-1,10-dihydrobenzo[e]pyrrolo[3,2-g]indole, commonly known as naphthobipyrrole, to be one such precursor suitable for the synthesis of conformationally rigid annulated porphyrinoids. This field of study has started to bloom only in the last decade and the examples reported so far are confined to the naphtho-versions of porphycenes (isomeric porphyrin), a few members of the aromatic/antiaromatic expanded porphyrinoids, and calix[n]bipyrroles. In view of this, the current review article aims to summarize the up-to-date developments in this area and discusses the synthesis, structure, and properties of the reported naphthobipyrrole-derived annulated porphyrinoids.
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Affiliation(s)
- Vijayendra S Shetti
- Department of Chemistry, National Institute of Technology Karnataka, Surathkal 575025, India.
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13
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Rao Y, Xu L, Zhou M, Yin B, Osuka A, Song J. Expanded Azaporphyrins Consisting of Multiple BODIPY Units: Global Aromaticity and High Affinities Towards Alkali Metal Ions. Angew Chem Int Ed Engl 2022. [DOI: 10.1002/ange.202206899] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Affiliation(s)
- Yutao Rao
- Hunan Normal University - Erliban Campus: Hunan Normal University Chemistry CHINA
| | - Ling Xu
- Hunan Normal University - Erliban Campus: Hunan Normal University Chemistry CHINA
| | - Mingbo Zhou
- Hunan Normal University - Erliban Campus: Hunan Normal University Chemistry CHINA
| | - Bangshao Yin
- Hunan Normal University - Erliban Campus: Hunan Normal University Chemistry CHINA
| | - Atsuhiro Osuka
- Hunan Normal University - Erliban Campus: Hunan Normal University Chemistry CHINA
| | - Jianxin Song
- Hunan Normal University Chemistry Yue Lu Qu Lushan Road 36 410081 Changsha CHINA
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14
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Xiong S, Nanda Kishore M, Zhou W, He Q. Recent advances in selective recognition of fluoride with macrocyclic receptors. Coord Chem Rev 2022. [DOI: 10.1016/j.ccr.2022.214480] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
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15
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Ishimaru Y, Takahashi F, Mochizuki S, Hosoda N, Fujihara T. syn and anti Metal Complexes of 24π Antiaromatic Bis(dicarbonylrhodium(I))dithiaamethyrin. Chem Asian J 2022; 17:e202200198. [PMID: 35514150 DOI: 10.1002/asia.202200198] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2022] [Revised: 04/25/2022] [Indexed: 11/08/2022]
Abstract
From the reaction of sterically less hindered tetrapropyl[24]dithiaamethyrin(1.0.0.1.0.0) 5, with [Rh(CO)2Cl]2, a unique anti form of the bis(dicarbonylrhodium(I)) complex (6-anti), where two rhodium ions are on the opposite faces of the macrocyclic ligand, was isolated for the first time in 12% yield along with the corresponding syn isomer (6-syn, 61% yield). These structures were characterized in detail by single-crystal X-ray structure analysis. Compound 6-syn exhibited a bowl-shaped structure with the two rhodium atoms separated by a distance of ~4.5 Å. In contrast, 6-anti contained a wave-shaped macrocycle with a distance of ~5.3 Å between the two rhodium atoms. Furthermore, the 1H nuclear magnetic resonance spectra and density functional theory calculation results revealed that 6-anti had a stronger paratropic ring current and a more planar structure than 6-syn. The isolation of both 6-anti and 6-syn enabled the structure-property relationship to be discussed in detail.
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Affiliation(s)
- Yoshihiro Ishimaru
- Saitama University, Division of Material Science,Graduate School of Science and Engineering, 255 Shimo-ohkubo, Sakura-ku,, 3388570, Saitama, JAPAN
| | - Fumiya Takahashi
- Saitama University: Saitama Daigaku, Graduate School of Science and Engineering, JAPAN
| | - Samu Mochizuki
- Saitama University: Saitama Daigaku, Graduate School of Science and Engineering, JAPAN
| | - Natsuki Hosoda
- Saitama University: Saitama Daigaku, Graduate School of Science and Engineering, JAPAN
| | - Takashi Fujihara
- Saitama University: Saitama Daigaku, Comprehensive Analysis Center for Science, JAPAN
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16
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Novak I. Photoionization of tetrapyrrole macrocycles: Porphyrin isomers and corrole tautomers. J Photochem Photobiol A Chem 2022. [DOI: 10.1016/j.jphotochem.2022.113849] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
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17
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Thuita DW, Brückner C. Metal Complexes of Porphyrinoids Containing Nonpyrrolic Heterocycles. Chem Rev 2022; 122:7990-8052. [PMID: 35302354 DOI: 10.1021/acs.chemrev.1c00694] [Citation(s) in RCA: 20] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/19/2023]
Abstract
The replacement of one or more pyrrolic building block(s) of a porphyrin by a nonpyrrolic heterocycle leads to the formation of so-called pyrrole-modified porphyrins (PMPs), porphyrinoids of broad structural variability. The wide range of coordination environments (type, number, charge, and architecture of the donor atoms) that the pyrrole-modified frameworks provide to the central metal ions, the frequent presence of donor atoms at their periphery, and their often observed nonplanarity or conformational flexibility distinguish the complexes of the PMPs clearly from those of the traditional square-planar, dianionic, N4-coordinating (hydro)porphyrins. Their different coordination properties suggest their utilization in areas beyond which regular metalloporphyrins are suitable. Following a general introduction to the synthetic methodologies available to generate pyrrole-modified porphyrins, their general structure, history, coordination chemistry, and optical properties, this Review highlights the chemical, electronic (optical), and structural differences of specific classes of metalloporphyrinoids containing nonpyrrolic heterocycles. The focus is on macrocycles with similar "tetrapyrrolic" architectures as porphyrins, thusly excluding the majority of expanded porphyrins. We highlight the relevance and application of these metal complexes in biological and technical fields as chemosensors, catalysts, photochemotherapeutics, or imaging agents. This Review provides an introduction to the field of metallo-PMPs as well as a comprehensive snapshot of the current state of the art of their synthesis, structures, and properties. It also aims to provide encouragement for the further study of these intriguing and structurally versatile metalloporphyrinoids.
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Affiliation(s)
- Damaris Waiyigo Thuita
- Department of Chemistry, University of Connecticut, Storrs, Connecticut 06269-3060, United States
| | - Christian Brückner
- Department of Chemistry, University of Connecticut, Storrs, Connecticut 06269-3060, United States
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18
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Li Z, Zhang L, Wu Q, Li H, Kang Z, Yu C, Hao E, Jiao L. Boron-Templated Synthesis of B(III)-Submonoazaporphyrins: The Hybrids of B(III)-Subporphyrins and B(III)-Subporphyrazines. J Am Chem Soc 2022; 144:6692-6697. [PMID: 35294839 DOI: 10.1021/jacs.2c01671] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/10/2023]
Abstract
A new class of hybridized and core-contracted porphyrinoids, B(III)-submonoazaporphyrins, which may be viewed as the hybrids of B(III)-subporphyrins and B(III)-subporphyrazines, was reported. The versatile single-step synthesis was based on an efficient intramolecular nucleophilic substitution reaction on readily available α-amino-α'-bromotripyrromethenes, while boronic acids, trifluoroborate salts, or trimethoxyborate simultaneously acted as the template and provider of apical substituent. Those new hybrids, as robust and photostable compounds, were fully characterized by NMR, mass spectrometry, and X-ray crystallography. They showed intense absorption and emission in the visible region, and their electrochemical properties and computational calculation are also discussed.
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Affiliation(s)
- Zhongxin Li
- Key Laboratory of Functional Molecular Solids, Ministry of Education, and School of Chemistry and Materials Science, Anhui Normal University, Wuhu 241002, China
| | - Lei Zhang
- Key Laboratory of Functional Molecular Solids, Ministry of Education, and School of Chemistry and Materials Science, Anhui Normal University, Wuhu 241002, China
| | - Qinghua Wu
- School of Pharmacy, Anhui University of Chinese Medicine, Hefei 230012, China
| | - Heng Li
- Key Laboratory of Functional Molecular Solids, Ministry of Education, and School of Chemistry and Materials Science, Anhui Normal University, Wuhu 241002, China
| | - Zhengxin Kang
- Key Laboratory of Functional Molecular Solids, Ministry of Education, and School of Chemistry and Materials Science, Anhui Normal University, Wuhu 241002, China
| | - Changjiang Yu
- Key Laboratory of Functional Molecular Solids, Ministry of Education, and School of Chemistry and Materials Science, Anhui Normal University, Wuhu 241002, China
| | - Erhong Hao
- Key Laboratory of Functional Molecular Solids, Ministry of Education, and School of Chemistry and Materials Science, Anhui Normal University, Wuhu 241002, China
| | - Lijuan Jiao
- Key Laboratory of Functional Molecular Solids, Ministry of Education, and School of Chemistry and Materials Science, Anhui Normal University, Wuhu 241002, China
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19
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Nagamaiah J, Dutta A, Pati NN, Sahoo S, Soman R, Panda PK. 3,6,13,16-Tetrapropylporphycene: Rational Synthesis, Complexation, and Halogenation. J Org Chem 2022; 87:2721-2729. [DOI: 10.1021/acs.joc.1c02652] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
| | - Arnab Dutta
- School of Chemistry, University of Hyderabad, Hyderabad 500046, India
| | | | - Sameeta Sahoo
- School of Chemistry, University of Hyderabad, Hyderabad 500046, India
| | - Rahul Soman
- School of Chemistry, University of Hyderabad, Hyderabad 500046, India
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20
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Knippen K, Matuszczyk D, Kraft M, Bredenkötter B, Eickerling G, Lis T, Volkmer D, Stępień M. Acenaphtho[1,2-d][1,2,3]triazole and Its Kuratowski Complex: A π-Extended Tecton for Supramolecular and Coordinative Self-Assembly. Chemistry 2022; 28:e202103480. [PMID: 34713520 PMCID: PMC9299806 DOI: 10.1002/chem.202103480] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/23/2021] [Indexed: 11/13/2022]
Abstract
π-Extended acenaphtho[1,2-d][1,2,3]triazoles, the unsubstituted Anta-H and its di-tert-butyl derivative Dibanta-H, as well as 5,6,7,8-tetrahydro-1H-naphtho[2,3-d][1,2,3]triazole Cybta-H were obtained in concise syntheses. In the solid state, Dibanta-H forms an unprecedented hydrogen-bonded cyclic tetrad, stabilized by dispersion interactions of the bulky tBu substituents, whereas a cyclic triad was found in the crystal structure of Anta-H. These cyclic assemblies form infinite slipped stacks in the crystals. Evidence for analogous hydrogen-bonded self-assembly in solution was provided by low-temperature NMR spectroscopy and computational analyses. Kuratowski-type pentanuclear complexes [Zn5 Cl4 (Dibanta)6 ] and [Zn5 Cl4 (Cybta)6 ] were prepared from the respective triazoles. In the Dibanta complexes, the π-aromatic surfaces of the ligands extend from the edges of the tetrahedral Zn5 core, yielding an enlarged structure with significant internal molecular free volume and red-shifted fluorescence.
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Affiliation(s)
- Katharina Knippen
- Institute of PhysicsChair of Solid State and Materials ScienceAugsburg UniversityUniversitätsstrasse 186159AugsburgGermany
| | - Daniel Matuszczyk
- Wydział ChemiiUniwersytet Wrocławskiul. F. Joliot-Curie 1450-383WrocławPoland
| | - Maryana Kraft
- Institute of PhysicsChair of Solid State and Materials ScienceAugsburg UniversityUniversitätsstrasse 186159AugsburgGermany
| | - Björn Bredenkötter
- Institute of PhysicsChair of Solid State and Materials ScienceAugsburg UniversityUniversitätsstrasse 186159AugsburgGermany
| | - Georg Eickerling
- Institute of PhysicsChair of Chemical Physics and Materials ScienceAugsburg UniversityUniversitätsstrasse 186159AugsburgGermany
| | - Tadeusz Lis
- Wydział ChemiiUniwersytet Wrocławskiul. F. Joliot-Curie 1450-383WrocławPoland
| | - Dirk Volkmer
- Institute of PhysicsChair of Solid State and Materials ScienceAugsburg UniversityUniversitätsstrasse 186159AugsburgGermany
| | - Marcin Stępień
- Wydział ChemiiUniwersytet Wrocławskiul. F. Joliot-Curie 1450-383WrocławPoland
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21
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Sahoo S, Jana M, Rath H. Tailor-made aromatic porphyrinoids with NIR absorption. Chem Commun (Camb) 2022; 58:1834-1859. [PMID: 35028653 DOI: 10.1039/d1cc06336g] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
The highlight of this article is the recent progress in the state-of-the-art synthetic design and isolation of artificial porphyrinoids by swapping pyrrole component(s) with diverse functionalized pyrrolic(heterocyclic)/carbacycle building block(s) to compare the impact on the electronic absorption spectra and aromaticity of the incorporated isomeric/expanded porphyrinoids. Attention has been directed towards five distinct criteria of utilizing functionalized pyrrolic(heterocyclic)/aromatic hydrocarbons as synthons for NIR absorbing aromatic isomeric (N-confusion)/expanded porphyrinoids (with five/six heterocycles): (i) fused or annelated pyrrole (heterocycle), (ii) functionalized bi-pyrrole/bi-thiophene/bi-furan building blocks, (iii) azulene based carbacycle building block, (iv) vinylogous aromatic carbacycle/heterocycle(s) building block and (v) N-confused pyrrole ring(s), and N-confused fused pyrrole ring(s) leading to π-extension. These hybrid porphyrinoids are ideal candidates for basic research into macrocyclic aromaticity and for many potential applications owing to NIR absorption.
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Affiliation(s)
- Sumit Sahoo
- School of Chemical Sciences, Indian Association for the Cultivation of Science, 2A/2B Raja S. C Mullick Road, Jadavpur, Kolkata, West Bengal 700 032, India.
| | - Manik Jana
- School of Chemical Sciences, Indian Association for the Cultivation of Science, 2A/2B Raja S. C Mullick Road, Jadavpur, Kolkata, West Bengal 700 032, India.
| | - Harapriya Rath
- School of Chemical Sciences, Indian Association for the Cultivation of Science, 2A/2B Raja S. C Mullick Road, Jadavpur, Kolkata, West Bengal 700 032, India.
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22
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Sahoo S, Panda PK. β,β′-fusion induced unique out-of-plane platinum(II) complexation in porphycene. Inorganica Chim Acta 2022. [DOI: 10.1016/j.ica.2021.120679] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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23
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Jodukathula N, Dutta A, Sahoo SS, Sahoo S, Panda P. 3,6,13,16-Tetraalkylporphycenes: Synthesis and Exploration of Effect of Alkyl Groups on Structure, Photophysical Properties, and Basicity. NEW J CHEM 2022. [DOI: 10.1039/d2nj01550a] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Two new 3,6,13,16-tetraalkylporphycenes were synthesized following rational approach. The reason behind lower yield of the desired β,β'-bipyrroles was unraveled. The σ-donating effect of alkyl-substituents was more profound than reported positional...
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24
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Das M, Adinarayana B, Srinivasan A. Recent Advances in the Design and Syntheses of Porphyrinoids by Embedding Higher Analogues of Arene and Pyridine Units. ACS OMEGA 2021; 6:35204-35212. [PMID: 34984253 PMCID: PMC8717398 DOI: 10.1021/acsomega.1c05444] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/30/2021] [Accepted: 11/26/2021] [Indexed: 06/07/2023]
Abstract
Due to enthralling applications in various fields and augmenting fundamental wisdom, π-conjugated macrocycles in general and porphyrin systems in particular are constantly explored. Subtle modifications of porphyrin structure can amend the rudimentary properties. Pursuing innovative properties provides impetus to underpin arene or pyridine moiety embedded porphyrin derivatives. There have been several reviews related to arene incorporated carbaporphyrinoids; however, recent developments of porphyrin analogues by introducing higher analogues of arenes and pyridine units are not adequately inspected. This mini-review mainly focuses on biphenyl, bipyridine, terphenyl, and mixed arene pyridine embedded porphyrin analogues and their coordination chemistry.
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Affiliation(s)
- Mainak Das
- Department
of Chemistry, Jagiellonian University, Gronostajowa 2, 30-387 Kraków, Poland
| | - B. Adinarayana
- Department
of Chemistry, Imperial College London, 80 Wood Lane, London W12 7TA, United
Kingdom
| | - A. Srinivasan
- School
of Chemical Sciences, National Institute
of Science Education and Research (NISER), HBNI, Bhubaneswar 752050, Odisha, India
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25
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Chakraborty B, Sahoo S, Narayansamy R, Usharani D, Rath H. Structural isolation of NIR absorbing ferrocenyl bridged N-confused fused expanded phlorin, N-confused porphodimethene and the π-extended corrorin isomer: synthesis and characterization. Dalton Trans 2021; 50:14421-14431. [PMID: 34570128 DOI: 10.1039/d1dt02385c] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Concise syntheses and spectroscopic, solid state X-ray crystal structure and theoretical studies of three electronically appealing new generation hitherto unknown ferrocenyl bridged N-confused heterocyclic macrocycles with (without) fusion are reported. Intriguingly, the expanded N-confused fused phlorin (1.1.1.1.1) with the built-in tripentacyclic [5.5.5] moiety exhibits tailing of the NIR absorption band beyond 1000 nm while the nonconjugated porphodimethene and a new generation π-extended isomeric corrorin analogue exhibit UV-vis absorption.
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Affiliation(s)
- Buddhadeb Chakraborty
- School of Chemical Sciences, Indian Association for the Cultivation of Science, 2A/2B Raja S.C Mullick Road, Jadavpur, Kolkata, West Bengal 700 032, India.
| | - Sumit Sahoo
- School of Chemical Sciences, Indian Association for the Cultivation of Science, 2A/2B Raja S.C Mullick Road, Jadavpur, Kolkata, West Bengal 700 032, India.
| | - Raja Narayansamy
- Department of Food Safety and Analytical Quality Control Laboratory, CSIR-Central Food Technological Research Institute, Mysuru 700020, Karnataka, India.
| | - Dandamudi Usharani
- Department of Food Safety and Analytical Quality Control Laboratory, CSIR-Central Food Technological Research Institute, Mysuru 700020, Karnataka, India. .,Academy of Scientific and Innovative Research (ACSIR), CSIR-HRDG, Ghaziabad, Uttar Pradesh, India
| | - Harapriya Rath
- School of Chemical Sciences, Indian Association for the Cultivation of Science, 2A/2B Raja S.C Mullick Road, Jadavpur, Kolkata, West Bengal 700 032, India.
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26
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Urbańska K, Farinone M, Pawlicki M. Changes in porphyrin’s conjugation based on synthetic and post-synthetic modifications. PHYSICAL SCIENCES REVIEWS 2021. [DOI: 10.1515/psr-2019-0081] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
Abstract
Abstract
Porphyrins or more broadly defined porphyrinoids are the structures where the extended π-cloud can be significantly modified by several factors. The broad range of introduced structural motifs has shown a possibility of modification of conjugation by a controlled synthetic approach, leading to expected optical or magnetic behaviour, and also by post-synthetic modifications (i.e. redox or protonation/deprotonation), Both approaches lead to noticeab changes in observed properties but also open a potential for further utilization. Thus, this already constituted big family of macrocyclic structures with specific highly extended π-delocalization shows a significant contribution in several fields from fundamental studies, leading to understanding behaviour of skeletons like that with a substantial influence on biological studies and material science. The presented material focuses on the most significant examples of modifications of porphyrinoids skeleton leading to drastic changes in optical response and magnetic properties. Through the presentation, the focus will be placed on the changes leading to the most red-shifted transition as the parameter indicating extending the π-delocalization. Significantly different magnetic character will be also discussed based on the switching between aromatic/antiaromatic character assigned to macrocyclic structures that will be included.
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Affiliation(s)
- Karolina Urbańska
- Wydział Chemii , Uniwersytet Wrocławski , F. Joliot-Curie 14 , 50-383 Wrocław , Poland
| | - Marco Farinone
- Wydział Chemii , Uniwersytet Wrocławski , F. Joliot-Curie 14 , 50-383 Wrocław , Poland
| | - Miłosz Pawlicki
- Wydział Chemii , Uniwersytet Wrocławski , F. Joliot-Curie 14 , 50-383 Wrocław , Poland
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27
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Maulbetsch T, Kunz D. Carbenaporphyrins: No Longer Missing Ligands in N-Heterocyclic Carbene Chemistry. Angew Chem Int Ed Engl 2021; 60:2007-2012. [PMID: 33078891 PMCID: PMC7898644 DOI: 10.1002/anie.202013434] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/05/2020] [Indexed: 11/09/2022]
Abstract
The synthesis of an NHC-containing porphyrinoid ligand is presented. The formally antiaromatic 20 πe- macrocyclic framework can be obtained via a 1,3-dipolar cycloaddition ("click-reaction") to form two triazole moieties which were alkylated to the respective triazolium macrocycle. Deprotonation of the ligand precursor with lithium bases to the respective dilithio carbenaporphyrin complex and transmetallation to scandium lead to complexes that exhibit orange fluorescence. Optical property combined with TD-DFT studies verify an aromatic character for each heterocyclic moiety rather than an antiaromatic macrocycle in the ligand precursor as well as in the complexes. While the geometric features of the carbenaporphyrin ligand strongly resemble those of porphyrin, DFT calculations reveal a stronger electron-donating ability of the new ligand.
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Affiliation(s)
- Theo Maulbetsch
- Institut für Anorganische ChemieEberhard Karls Universität TübingenAuf der Morgenstelle 1872076TübingenGermany
| | - Doris Kunz
- Institut für Anorganische ChemieEberhard Karls Universität TübingenAuf der Morgenstelle 1872076TübingenGermany
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28
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Maulbetsch T, Kunz D. Carbenaporphyrine: eine Lücke in der Chemie N‐heterocyclischer Carbene schließt sich. Angew Chem Int Ed Engl 2021. [DOI: 10.1002/ange.202013434] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Affiliation(s)
- Theo Maulbetsch
- Institut für Anorganische Chemie Eberhard Karls Universität Tübingen Auf der Morgenstelle 18 72076 Tübingen Deutschland
| | - Doris Kunz
- Institut für Anorganische Chemie Eberhard Karls Universität Tübingen Auf der Morgenstelle 18 72076 Tübingen Deutschland
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29
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Pascal S, David S, Andraud C, Maury O. Near-infrared dyes for two-photon absorption in the short-wavelength infrared: strategies towards optical power limiting. Chem Soc Rev 2021; 50:6613-6658. [DOI: 10.1039/d0cs01221a] [Citation(s) in RCA: 42] [Impact Index Per Article: 14.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
The recent advances in the field of two-photon absorbing chromophores in the short-wavelength infrared spectral range (SWIR 1100–2500 nm) are summarized, highlighting the development of optical power limiting devices in this spectral range.
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Affiliation(s)
- Simon Pascal
- Univ. Lyon
- ENS Lyon
- CNRS UMR 5182
- Laboratoire de Chimie
- 69364 Lyon
| | - Sylvain David
- Univ. Lyon
- ENS Lyon
- CNRS UMR 5182
- Laboratoire de Chimie
- 69364 Lyon
| | - Chantal Andraud
- Univ. Lyon
- ENS Lyon
- CNRS UMR 5182
- Laboratoire de Chimie
- 69364 Lyon
| | - Olivier Maury
- Univ. Lyon
- ENS Lyon
- CNRS UMR 5182
- Laboratoire de Chimie
- 69364 Lyon
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30
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Sahoo S, Velmurugan G, Chakraborty B, Comba P, Rath H. NIR absorbing aromatic (antiaromatic) vinylogous carbasapphyrins (3.3.1.0.1) with built-in fused dipolar aromatic hydrocarbon: synthesis and characterization. Org Chem Front 2021. [DOI: 10.1039/d1qo01247a] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
Abstract
Variants of vinylogous core modified carbasapphyrins with a built-in fused dipolar aromatic hydrocarbon moiety paving the way to a strong diatropicity/paratropicity with vis-NIR absorption.
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Affiliation(s)
- Sumit Sahoo
- School of Chemical Sciences, Indian Association for the Cultivation of Science, 2A/2B Raja S.C Mullick Road, Jadavpur, Kolkata, West Bengal 700 032, India
| | - Gunasekaran Velmurugan
- Heidelberg University, Institute of Inorganic Chemistry and Interdisciplinary Center for Scientific Computing, Im Neuenheimer Feld 270, 69120 Heidelberg, Germany
| | - Buddhadeb Chakraborty
- School of Chemical Sciences, Indian Association for the Cultivation of Science, 2A/2B Raja S.C Mullick Road, Jadavpur, Kolkata, West Bengal 700 032, India
| | - Peter Comba
- Heidelberg University, Institute of Inorganic Chemistry and Interdisciplinary Center for Scientific Computing, Im Neuenheimer Feld 270, 69120 Heidelberg, Germany
| | - Harapriya Rath
- School of Chemical Sciences, Indian Association for the Cultivation of Science, 2A/2B Raja S.C Mullick Road, Jadavpur, Kolkata, West Bengal 700 032, India
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31
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Borges-Martínez M, Montenegro-Pohlhammer N, Cárdenas-Jirón G. The bimetallic and the anchoring group effects on both optical and charge transport properties of hexaphyrin amethyrin. NEW J CHEM 2021. [DOI: 10.1039/d1nj00091h] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
Bimetallic Cu(ii)-hexaphyrin amethyrin proposed as a molecular switch operated by the application of an external magnetic field.
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Affiliation(s)
- Merlys Borges-Martínez
- Laboratory of Theoretical Chemistry
- Faculty of Chemistry and Biology, University of Santiago de Chile (USACH)
- Santiago
- Chile
| | - Nicolás Montenegro-Pohlhammer
- Laboratory of Theoretical Chemistry
- Faculty of Chemistry and Biology, University of Santiago de Chile (USACH)
- Santiago
- Chile
| | - Gloria Cárdenas-Jirón
- Laboratory of Theoretical Chemistry
- Faculty of Chemistry and Biology, University of Santiago de Chile (USACH)
- Santiago
- Chile
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32
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Varni AJ, Kawakami M, Tristram-Nagle SA, Yaron D, Kowalewski T, Noonan KJT. Design, synthesis, and properties of a six-membered oligofuran macrocycle. Org Chem Front 2021. [DOI: 10.1039/d1qo00084e] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
In this report, the synthesis and properties of an ester-functionalized macrocyclic sexifuran (C6FE) are presented.
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Affiliation(s)
| | - Manami Kawakami
- Department of Chemistry
- Carnegie Mellon University
- Pittsburgh
- USA
| | | | - David Yaron
- Department of Chemistry
- Carnegie Mellon University
- Pittsburgh
- USA
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33
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Du Y, Zhu B, Li Q, Baryshnikov G, Wei C, Lin Y, Su G, Li C, Ågren H, Xie Y. N-Confused Hexapyrrolic Phlorinoid with NIR Absorption: Synthesis, Fusion, Oxidation, and Copper(II) Coordination. Org Lett 2020; 22:9648-9652. [DOI: 10.1021/acs.orglett.0c03710] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Yu Du
- Key Laboratory for Advanced Materials and Institute of Fine Chemicals, Shanghai Key Laboratory of Functional Materials Chemistry, School of Chemistry & Molecular Engineering, State Key Laboratory of Bioreactor Engineering, Laboratory of Pharmaceutical Crystal Engineering & Technology, School of Pharmacy, East China University of Science & Technology, 200237, Shanghai, China
| | - Bin Zhu
- Key Laboratory for Advanced Materials and Institute of Fine Chemicals, Shanghai Key Laboratory of Functional Materials Chemistry, School of Chemistry & Molecular Engineering, State Key Laboratory of Bioreactor Engineering, Laboratory of Pharmaceutical Crystal Engineering & Technology, School of Pharmacy, East China University of Science & Technology, 200237, Shanghai, China
| | - Qizhao Li
- Key Laboratory for Advanced Materials and Institute of Fine Chemicals, Shanghai Key Laboratory of Functional Materials Chemistry, School of Chemistry & Molecular Engineering, State Key Laboratory of Bioreactor Engineering, Laboratory of Pharmaceutical Crystal Engineering & Technology, School of Pharmacy, East China University of Science & Technology, 200237, Shanghai, China
- Key Laboratory of the Assembly and Application of Organic Functional Molecules of Hunan Province, Hunan Normal University, 410081, Changsha, China
| | - Glib Baryshnikov
- Key Department of Theoretical Chemistry and Biology, School of Biotechnology, KTH Royal Institute of Technology, SE-10691, Stockholm, Sweden
| | - Chuanwan Wei
- School of Chemistry and Chemical Engineering, University of South China, 421001, Hengyang, China
| | - Yingwu Lin
- School of Chemistry and Chemical Engineering, University of South China, 421001, Hengyang, China
| | - Guangxian Su
- Key Laboratory for Advanced Materials and Institute of Fine Chemicals, Shanghai Key Laboratory of Functional Materials Chemistry, School of Chemistry & Molecular Engineering, State Key Laboratory of Bioreactor Engineering, Laboratory of Pharmaceutical Crystal Engineering & Technology, School of Pharmacy, East China University of Science & Technology, 200237, Shanghai, China
| | - Chengjie Li
- Key Laboratory for Advanced Materials and Institute of Fine Chemicals, Shanghai Key Laboratory of Functional Materials Chemistry, School of Chemistry & Molecular Engineering, State Key Laboratory of Bioreactor Engineering, Laboratory of Pharmaceutical Crystal Engineering & Technology, School of Pharmacy, East China University of Science & Technology, 200237, Shanghai, China
| | - Hans Ågren
- Key Department of Theoretical Chemistry and Biology, School of Biotechnology, KTH Royal Institute of Technology, SE-10691, Stockholm, Sweden
| | - Yongshu Xie
- Key Laboratory for Advanced Materials and Institute of Fine Chemicals, Shanghai Key Laboratory of Functional Materials Chemistry, School of Chemistry & Molecular Engineering, State Key Laboratory of Bioreactor Engineering, Laboratory of Pharmaceutical Crystal Engineering & Technology, School of Pharmacy, East China University of Science & Technology, 200237, Shanghai, China
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Abstract
AbstractPorphyrinoids containing vinylene bridges, such as triphyrin(2.1.1), porphycene, porphyrin(2.1.2.1), and hexaphyrin(2.1.2.1.2.1), are a relatively new family of porphyrinoids. Vinylene bridges give porphyrinoids a lower symmetry and a flexibility of the framework and they permit cis/trans-isomerization reactions; these factors confer unique properties to these substances, such as coordination to metal ions and aromaticity switching. In this account, the synthesis, crystal structures, and properties of new porphyrinoids containing vinylene bridges are summarized.1 Introduction2 Triphyrin(2.1.1)3 Porphycene4 Porphyrin(2.1.2.1)5 Hexaphyrin(2.1.2.1.2.1)6 Conclusion
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Affiliation(s)
| | - Hiroko Yamada
- Graduate School of Science and Technology, Nara Institute of Science and Technology (NAIST)
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35
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Li Q, Li C, Baryshnikov G, Ding Y, Zhao C, Gu T, Sha F, Liang X, Zhu W, Wu X, Ågren H, Sessler JL, Xie Y. Twisted-Planar-Twisted expanded porphyrinoid dimer as a rudimentary reaction-based methanol indicator. Nat Commun 2020; 11:5289. [PMID: 33082348 PMCID: PMC7576827 DOI: 10.1038/s41467-020-19118-9] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/27/2020] [Accepted: 09/24/2020] [Indexed: 12/23/2022] Open
Abstract
Directly linked porphyrin dimers have attracted considerable attention because of their intriguing electronic features. Most emphasis has been placed on either dimers with large dihedral angles between the constituent planar monomeric subunits or those with overall planarity, referred to as "Planar-Twisted-Planar" and "Planar-Planar-Planar", respectively. Herein, we report a "Twisted-Planar-Twisted" framework, the hexaphyrin dimer D that exists in a trans configuration. Treatment of D with MeOH affords two isomeric dimers, MD1 and MD2, both of which incorporate a methoxy moiety and exist in cis orientations with respect to the tethering linkage. The methanol-promoted conversion is accompanied by a readily discernible color change from green to brown and is not induced to an appreciable level by other alcohols. Dimer D thus acts as a rudimentary, albeit highly selective, reaction-based methanol indicator. This work provides a promising approach for constructing reaction-based chemosensors using porphyrinoid dimers of nonplanar subunits with biased reactivity.
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Affiliation(s)
- Qizhao Li
- Key Laboratory for Advanced Materials and Joint International Research Laboratory of Precision Chemistry and Molecular Engineering, Feringa Nobel Prize Scientist Joint Research Center, Frontiers Science Center for Materiobiology and Dynamic Chemistry, School of Chemistry and Molecular Engineering, East China University of Science & Technology, 130 Meilong Road, 200237, Shanghai, China
| | - Chengjie Li
- Key Laboratory for Advanced Materials and Joint International Research Laboratory of Precision Chemistry and Molecular Engineering, Feringa Nobel Prize Scientist Joint Research Center, Frontiers Science Center for Materiobiology and Dynamic Chemistry, School of Chemistry and Molecular Engineering, East China University of Science & Technology, 130 Meilong Road, 200237, Shanghai, China
| | - Glib Baryshnikov
- School of Biotechnology, KTH Royal Institute of Technology, SE-10691, Stockholm, Sweden
| | - Yubin Ding
- Key Laboratory for Advanced Materials and Joint International Research Laboratory of Precision Chemistry and Molecular Engineering, Feringa Nobel Prize Scientist Joint Research Center, Frontiers Science Center for Materiobiology and Dynamic Chemistry, School of Chemistry and Molecular Engineering, East China University of Science & Technology, 130 Meilong Road, 200237, Shanghai, China
| | - Chengxi Zhao
- Key Laboratory for Advanced Materials and Joint International Research Laboratory of Precision Chemistry and Molecular Engineering, Feringa Nobel Prize Scientist Joint Research Center, Frontiers Science Center for Materiobiology and Dynamic Chemistry, School of Chemistry and Molecular Engineering, East China University of Science & Technology, 130 Meilong Road, 200237, Shanghai, China
| | - Tingting Gu
- School of Chemistry and Chemical Engineering, Jiangsu University, 212013, Zhenjiang, China
| | - Feng Sha
- Key Laboratory for Advanced Materials and Joint International Research Laboratory of Precision Chemistry and Molecular Engineering, Feringa Nobel Prize Scientist Joint Research Center, Frontiers Science Center for Materiobiology and Dynamic Chemistry, School of Chemistry and Molecular Engineering, East China University of Science & Technology, 130 Meilong Road, 200237, Shanghai, China
| | - Xu Liang
- School of Chemistry and Chemical Engineering, Jiangsu University, 212013, Zhenjiang, China
| | - Weihua Zhu
- School of Chemistry and Chemical Engineering, Jiangsu University, 212013, Zhenjiang, China
| | - Xinyan Wu
- Key Laboratory for Advanced Materials and Joint International Research Laboratory of Precision Chemistry and Molecular Engineering, Feringa Nobel Prize Scientist Joint Research Center, Frontiers Science Center for Materiobiology and Dynamic Chemistry, School of Chemistry and Molecular Engineering, East China University of Science & Technology, 130 Meilong Road, 200237, Shanghai, China
| | - Hans Ågren
- School of Biotechnology, KTH Royal Institute of Technology, SE-10691, Stockholm, Sweden
| | - Jonathan L Sessler
- Department of Chemistry, The University of Texas at Austin, Austin, TX, 78712-1224, USA.
| | - Yongshu Xie
- Key Laboratory for Advanced Materials and Joint International Research Laboratory of Precision Chemistry and Molecular Engineering, Feringa Nobel Prize Scientist Joint Research Center, Frontiers Science Center for Materiobiology and Dynamic Chemistry, School of Chemistry and Molecular Engineering, East China University of Science & Technology, 130 Meilong Road, 200237, Shanghai, China.
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36
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Latham AN, Lash TD. Synthesis and Characterization of N-Methylporphyrins, Heteroporphyrins, Carbaporphyrins, and Related Systems. J Org Chem 2020; 85:13050-13068. [PMID: 32940469 DOI: 10.1021/acs.joc.0c01737] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
MacDonald-type "3 + 1" condensations of an N-methyltripyrrane with a series of dialdehydes afforded a matched set of N-methylporphyrins, N-methylheteroporphyrins, N-methyloxybenziporphyrin, N-methyloxypyriporphyrin, N-methyltropiporphyrin, and a N-methylcarbaporphyrin aldehyde. meso-Unsubstituted heteroporphyrins have been little explored previously, and this strategy was also used to prepare N-unsubstituted 21-oxa-, 21-thia-, and 21-selenaporphyrins. In every case, the N-methylporphyrinoids exhibited weaker, bathochromically shifted UV-Vis absorptions compared to their core unsubstituted congeners. However, proton NMR spectroscopy demonstrated that these derivatives retained strong diamagnetic ring currents and the presence of the internal alkyl substituents had little effect on the global aromatic characteristics. Nevertheless, the UV-Vis spectra of N-methyl-oxybenzi- and N-methyl-oxypyriporphyrins were dramatically altered and gave greatly weakened absorptions. N-Methyl-oxybenzi- and N-methyltropiporphyrins reacted with palladium(II) acetate to give stable palladium(II) complexes, demonstrating that N-alkylation alters the metalation properties for these carbaporphyrinoids. The organometallic derivatives also retained strongly aromatic properties, and the proton NMR spectra showed the N-methyl resonances near -3 ppm. N-Methylcarbaporphyrin-2-carbaldehyde also gave a palladium(II) complex, but this gradually rearranged at higher temperatures to afford a C-methyl complex. The results demonstrate that core alkylation of porphyrinoids greatly alters the reactivity and spectroscopic properties for these systems.
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Affiliation(s)
- Alissa N Latham
- Department of Chemistry, Illinois State University, Normal, Illinois 61790-4160, United States
| | - Timothy D Lash
- Department of Chemistry, Illinois State University, Normal, Illinois 61790-4160, United States
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37
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Szyszko B, Latos-Grażyński L. Expanded Carbaporphyrinoids. Angew Chem Int Ed Engl 2020; 59:16874-16901. [PMID: 31825555 DOI: 10.1002/anie.201914840] [Citation(s) in RCA: 36] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/20/2019] [Indexed: 12/11/2022]
Abstract
This Review outlines the progress in the field of synthetic expanded carbaporphyrinoids. The evolution of this topic is demonstrated with expanded porphyrin-inspired systems with a variety of incorporated entities that introduce one or more carbon atoms into the cavity. The discussion starts with platyrins-the macrocycles that were identified as parent molecules of not only the expanded carbaporphyrinoids, but the carbaporphyrinoid class in general. After historic considerations, the plethora of expanded porphyrin-like macrocycles containing N-confused or neo-confused pyrrole motifs and different carbocyclic subunits are presented. Special emphasis is given to applications of expanded carbaporphyrinoids in different areas, including organometallic chemistry, switching systems, or aromaticity, concluding with the demonstration of a covalent cage based on an expanded carbaporphyrinoid.
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Affiliation(s)
- Bartosz Szyszko
- Department of Chemistry, University of Wrocław, 14 F. Joliot-Curie St., 50-383, Wrocław, Poland
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38
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Affiliation(s)
- Bartosz Szyszko
- Department of Chemistry University of Wrocław 14 F. Joliot-Curie St. 50-383 Wrocław Polen
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39
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Capaldo L, Ertl M, Fagnoni M, Knör G, Ravelli D. Antimony-Oxo Porphyrins as Photocatalysts for Redox-Neutral C-H to C-C Bond Conversion. ACS Catal 2020; 10:9057-9064. [PMID: 33815891 PMCID: PMC8009479 DOI: 10.1021/acscatal.0c02250] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/21/2020] [Revised: 07/16/2020] [Indexed: 02/03/2023]
Abstract
The use of high-valent antimony-oxo porphyrins as visible-light photocatalysts operating via direct hydrogen atom transfer has been demonstrated. Computational analysis indicates that the triplet excited state of these complexes shows an oxyl radical behavior, while the SbV center remains in a high-valent oxidation state, serving uniquely to carry the oxo moiety and activate the coordinated ligands. This porphyrin-based system has been exploited upon irradiation to catalyze C-H to C-C bond conversion via the addition of hydrogen donors (ethers and aldehydes) onto Michael acceptors in a redox-neutral fashion without the need of any external oxidant. Laser flash photolysis experiments confirmed that the triplet excited state of the photocatalyst triggers the desired C-H cleavage.
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Affiliation(s)
- Luca Capaldo
- PhotoGreen Lab, Department of Chemistry, University of Pavia, Viale Taramelli 12, 27100 Pavia, Italy
| | - Martin Ertl
- Institute of Inorganic Chemistry, Johannes Kepler University Linz (JKU), Altenberger Strasse 69, 4040 Linz, Austria
| | - Maurizio Fagnoni
- PhotoGreen Lab, Department of Chemistry, University of Pavia, Viale Taramelli 12, 27100 Pavia, Italy
| | - Günther Knör
- Institute of Inorganic Chemistry, Johannes Kepler University Linz (JKU), Altenberger Strasse 69, 4040 Linz, Austria
| | - Davide Ravelli
- PhotoGreen Lab, Department of Chemistry, University of Pavia, Viale Taramelli 12, 27100 Pavia, Italy
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40
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Li Y, Zhou M, Xu L, Zhou B, Rao Y, Nie H, Gu T, Zhou J, Liang X, Yin B, Zhu W, Osuka A, Song J. Simultaneous Implementation of N-Heterocycle-Fused Bridge and Modified Pyrrole Unit on Ni(II) Porphyrin Dimers. Org Lett 2020; 22:6001-6005. [PMID: 32692918 DOI: 10.1021/acs.orglett.0c02084] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
The oxidation of NiII-porphyrin dimer 10 with PbO2 or MnO2 resulted in the simultaneous implementation of an N-heterocycle-fused bridge and a modified pyrrole to give three unprecedented porphyrin dimers 11, 12, and 13. The reduction of 12 smoothly afforded 14. The structures of these dimers were all unambiguously confirmed by X-ray crystallographic analysis. These dimers show significantly red-shifted absorption bands and perturbed electrochemical properties with a decreasing HOMO-LUMO gap in the order of 14 > 13 > 11 > 12.
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Affiliation(s)
- Yuanyuan Li
- Key Laboratory of Chemical Biology and Traditional Chinese Medicine Research, Ministry of Education of China, Key Laboratory of the Assembly and Application of Organic Functional Molecules of Hunan Province, College of Chemistry and Chemical Engineering, Hunan Normal University, Changsha, Hunan 410081, P. R. China
| | - Mingbo Zhou
- Key Laboratory of Chemical Biology and Traditional Chinese Medicine Research, Ministry of Education of China, Key Laboratory of the Assembly and Application of Organic Functional Molecules of Hunan Province, College of Chemistry and Chemical Engineering, Hunan Normal University, Changsha, Hunan 410081, P. R. China
| | - Ling Xu
- Key Laboratory of Chemical Biology and Traditional Chinese Medicine Research, Ministry of Education of China, Key Laboratory of the Assembly and Application of Organic Functional Molecules of Hunan Province, College of Chemistry and Chemical Engineering, Hunan Normal University, Changsha, Hunan 410081, P. R. China
| | - Bixiang Zhou
- Key Laboratory of Chemical Biology and Traditional Chinese Medicine Research, Ministry of Education of China, Key Laboratory of the Assembly and Application of Organic Functional Molecules of Hunan Province, College of Chemistry and Chemical Engineering, Hunan Normal University, Changsha, Hunan 410081, P. R. China
| | - Yutao Rao
- Key Laboratory of Chemical Biology and Traditional Chinese Medicine Research, Ministry of Education of China, Key Laboratory of the Assembly and Application of Organic Functional Molecules of Hunan Province, College of Chemistry and Chemical Engineering, Hunan Normal University, Changsha, Hunan 410081, P. R. China
| | - Haigen Nie
- Key Laboratory of Chemical Biology and Traditional Chinese Medicine Research, Ministry of Education of China, Key Laboratory of the Assembly and Application of Organic Functional Molecules of Hunan Province, College of Chemistry and Chemical Engineering, Hunan Normal University, Changsha, Hunan 410081, P. R. China
| | - Tingting Gu
- School of Chemistry and Chemical Engineering, Jiangsu University, Zhenjiang 212013, P. R. China
| | - Jie Zhou
- Key Laboratory of Chemical Biology and Traditional Chinese Medicine Research, Ministry of Education of China, Key Laboratory of the Assembly and Application of Organic Functional Molecules of Hunan Province, College of Chemistry and Chemical Engineering, Hunan Normal University, Changsha, Hunan 410081, P. R. China
| | - Xu Liang
- School of Chemistry and Chemical Engineering, Jiangsu University, Zhenjiang 212013, P. R. China
| | - Bangshao Yin
- Key Laboratory of Chemical Biology and Traditional Chinese Medicine Research, Ministry of Education of China, Key Laboratory of the Assembly and Application of Organic Functional Molecules of Hunan Province, College of Chemistry and Chemical Engineering, Hunan Normal University, Changsha, Hunan 410081, P. R. China
| | - Weihua Zhu
- School of Chemistry and Chemical Engineering, Jiangsu University, Zhenjiang 212013, P. R. China
| | - Atsuhiro Osuka
- Key Laboratory of Chemical Biology and Traditional Chinese Medicine Research, Ministry of Education of China, Key Laboratory of the Assembly and Application of Organic Functional Molecules of Hunan Province, College of Chemistry and Chemical Engineering, Hunan Normal University, Changsha, Hunan 410081, P. R. China
| | - Jianxin Song
- Key Laboratory of Chemical Biology and Traditional Chinese Medicine Research, Ministry of Education of China, Key Laboratory of the Assembly and Application of Organic Functional Molecules of Hunan Province, College of Chemistry and Chemical Engineering, Hunan Normal University, Changsha, Hunan 410081, P. R. China
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41
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Lopes SMM, Pineiro M, Pinho e Melo TMVD. Corroles and Hexaphyrins: Synthesis and Application in Cancer Photodynamic Therapy. Molecules 2020; 25:E3450. [PMID: 32751215 PMCID: PMC7435872 DOI: 10.3390/molecules25153450] [Citation(s) in RCA: 20] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/25/2020] [Revised: 07/24/2020] [Accepted: 07/27/2020] [Indexed: 11/21/2022] Open
Abstract
Corroles and hexaphyrins are porphyrinoids with great potential for diverse applications. Like porphyrins, many of their applications are based on their unique capability to interact with light, i.e., based on their photophysical properties. Corroles have intense absorptions in the low-energy region of the uv-vis, while hexaphyrins have the capability to absorb light in the near-infrared (NIR) region, presenting photophysical features which are complementary to those of porphyrins. Despite the increasing interest in corroles and hexaphyrins in recent years, the full potential of both classes of compounds, regarding biological applications, has been hampered by their challenging synthesis. Herein, recent developments in the synthesis of corroles and hexaphyrins are reviewed, highlighting their potential application in photodynamic therapy.
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Affiliation(s)
| | | | - Teresa M. V. D. Pinho e Melo
- Coimbra Chemistry Centre and Department of Chemistry, University of Coimbra, 3004-535 Coimbra, Portugal; (S.M.M.L.); (M.P.)
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42
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Isar P, Ravikanth M. Dibenzoylbenzodipyrroles: Key Precursors for the Synthesis of Fused meso-Aryl Sapphyrins. J Org Chem 2020; 85:7287-7296. [PMID: 32403925 DOI: 10.1021/acs.joc.0c00663] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
A simple strategy has been developed for the synthesis of α,α'-dibenzoylbenzodipyrroles, which are key synthons for the synthesis of fused porphyrinoids. α,α'-Dibenzoylbenzodipyrroles were characterized by high-resolution mass spectrometry (HRMS), NMR, and X-ray crystallography. To show the use of α,α'-dibenzoylbenzodipyrrole, we synthesized five different fused meso-aryl sapphyrins under acid-catalyzed reaction conditions. α,α'-Dibenzoylbenzodipyrrole was reduced to diol and condensed with five different tripyrranes such as aza, oxa, thia, selena, and telluratripyrranes under mild acid-catalyzed conditions to afford fused meso-aryl sapphyrins in 15-18% yields. One-dimensional (1D) and two-dimensional (2D) NMR studies revealed that in fused sapphyrins, the furan ring in oxabenzosapphyrin and the pyrrole ring in benzosapphyrin, which are present opposite to the benzodipyrrole moiety, attained ring inversion (inverted sapphyrins), whereas the selenophene ring in selenabenzosapphyrin and the tellurophene ring in tellurabenzosapphyrin did not show ring inversion (normal sapphyrins). However, thiabenzosapphyrin exhibits both normal and inverted conformations in different ratios. All fused sapphyrins showed typical aromatic absorption features; however, the absorption features of normal fused sapphyrins are different from the inverted fused sapphyrins. Redox studies indicate that normal fused sapphyrins are difficult to oxidize but easier to reduce compared to inverted fused sapphyrins. Density functional theory (DFT) studies support the experimental observations.
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Affiliation(s)
- Prosenjit Isar
- Department of Chemistry, Indian Institute of Technology Bombay, Powai, Mumbai 400076, India
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43
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Abstract
Examples of internally alkylated azuliporphyrins were prepared by MacDonald-type “3 + 1” condensations. 2-Methyl- and 2-ethylazulene reacted with an acetoxymethylpyrrole in the presence of an acid catalyst to give azulitripyrranes. Following cleavage of the terminal protective groups, condensation with a diformylpyrrole in the presence of hydrochloric acid and oxidation with ferric chloride afforded 21-alkylazuliporphyrins. An azulene dialdehyde similarly reacted with an [Formula: see text]-methyltripyrrane to generate a 23-methylazuliporphyrin. The products could only be isolated in protonated form and the free-base internally alkylated azuliporphyrins proved to be unstable. Nevertheless, the dications are highly diatropic and the internal alkyl group resonances were shifted upfield to beyond -3 ppm. Reaction of a 23-methylazuliporphyrin with palladium(II) acetate primarily afforded a palladium(II) complex with loss of the internal methyl substituent. However, two palladium(II) benzocarbaporphyrins were also identified that were formed by sequential oxidative ring contraction and methyl group migration. Internally alkylated azuliporphyrins provide new insights into the reactivity of the system and the results show that the introduction of alkyl substituents within porphyrinoid cavities greatly modifies the properties of these structures.
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Affiliation(s)
- Julian S. D. Moriones
- Department of Chemistry, Illinois State University, Normal, Illinois 61790-4160, USA
| | - Alissa N. Latham
- Department of Chemistry, Illinois State University, Normal, Illinois 61790-4160, USA
| | - Timothy D. Lash
- Department of Chemistry, Illinois State University, Normal, Illinois 61790-4160, USA
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44
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Shivaprasadachary B, Ramya AR, Reddy G, Giribabu L. Light induced intramolecular energy and electron transfer events in carbazole–corrole and phenothiazine-corrole dyads. J PORPHYR PHTHALOCYA 2020. [DOI: 10.1142/s1088424619501177] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
Abstract
We report two corrole based donor–acceptor (D–A) dyads, Cbz-Cor and Ptz-Cor to understand the energy/electron transfer reactions. In these D–A systems, the donor, either carbazole (Cbz) or phenothiazine (Ptz), is covalently connected at the meso-phenyl position of 10-(phenyl)-5,15-bis-(pentafluorophenyl)corrole (Ph-Cor) by C–N linkage. Both the dyads were characterized by 1H NMR, MALDI-TOF MS, UV-vis, electrochemical, computational methods, study state fluorescence and TCSPC techniques. A comparison of absorption spectra with their reference monomeric compounds (Cbz-Ph, Ptz-Ph and Ph-Cor) revealed minimal ground-state interactions between chromophores in both dyads. Fluorescence studies suggested that singlet–singlet energy transfer from 1Cbz* to corrole is the major photochemical pathway in the Cbz-Cor dyad with a quenching efficiency of [Formula: see text]99%. Detailed analysis of the data suggests that Forster’s dipole–dipole mechanism does not adequately explain this energy transfer. However, at a 410 nm excitation, florescence quenching is detected in Ptz-Cor (49%) supporting a photo induced electron transfer (PET) process from the ground state of PTZ to the excited state of corrole macrocycle. The electron-transfer rates ([Formula: see text] of Ptz-Cor are found in the range [Formula: see text] to [Formula: see text] and are concluded to be solvent dependent.
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Affiliation(s)
- B. Shivaprasadachary
- Polymer and Functional Materials Division, Indian Institute of Chemical Technology, Hyderabad 500007, Telangana, India
| | - A. R. Ramya
- Polymer and Functional Materials Division, Indian Institute of Chemical Technology, Hyderabad 500007, Telangana, India
| | - Govind Reddy
- Polymer and Functional Materials Division, Indian Institute of Chemical Technology, Hyderabad 500007, Telangana, India
- Centre for Advanced Materials & Industrial Chemistry (CAMIC), School of Science, RMIT University, Melbourne VIC3000, Australia
| | - L. Giribabu
- Polymer and Functional Materials Division, Indian Institute of Chemical Technology, Hyderabad 500007, Telangana, India
- Academy of Scientific and Innovative Research, CSIR-IICT, India
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45
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Synthesis and Characterization of a Binuclear Copper(II)-dipyriamethyrin Complex: [Cu 2(dipyriamethyrin)(μ 2-1,1-acetato) 2]. MOLECULES (BASEL, SWITZERLAND) 2020; 25:molecules25061446. [PMID: 32210058 PMCID: PMC7145289 DOI: 10.3390/molecules25061446] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/03/2020] [Revised: 03/19/2020] [Accepted: 03/21/2020] [Indexed: 12/13/2022]
Abstract
The reaction between dipyriamethyrin and copper(II) acetate [Cu(OAc)2] afforded what is, to our knowledge, the first transition metal-dipyriamethyrin complex. Molecular and electronic characterization of this binuclear Cu(II) complex via EPR, UV-vis, and single crystal X-ray diffraction analysis revealed marked differences between the present constructs and previously reported binuclear copper(II) hexaphyrin species. UV-vis titration analyses provided evidence for a homotropic positive allosteric effect, wherein the binuclear species is formed without significant intermediacy of a monomeric complex.
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46
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Lopes SMM, Pinho E Melo TMVD. Meso-Substituted Corroles from Nitrosoalkenes and Dipyrromethanes. J Org Chem 2020; 85:3328-3335. [PMID: 31989827 DOI: 10.1021/acs.joc.9b03151] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
The synthesis of bilanes and hexapyrroles containing an oxime functionality, prepared by two and three consecutive hetero-Diels-Alder reactions (or conjugated additions) between nitrosoalkenes and dipyrromethanes, is described. Bilanes underwent oxidative macrocyclization to afford a new class of trans-A2B-corroles. Porphyrins could also be obtained by reacting bilanes with aldehydes in the presence of trifluoroacetic acid, followed by an oxidative step.
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Affiliation(s)
- Susana M M Lopes
- CQC and Department of Chemistry, University of Coimbra, 3004-535 Coimbra, Portugal
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47
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Rawat N, Thorat KG, Kumar S, Ravikanth M. Synthesis of Expanded Hetero 2,6-Pyrihexaphyrins. European J Org Chem 2020. [DOI: 10.1002/ejoc.201901766] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/26/2023]
Affiliation(s)
- Nisha Rawat
- Indian Institute of Technology; 400076 Powai Mumbai India
| | | | - Sunit Kumar
- Indian Institute of Technology; 400076 Powai Mumbai India
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48
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Chaudhri N, Cong L, Bulbul AS, Grover N, Osterloh WR, Fang Y, Sankar M, Kadish KM. Structural, Photophysical, and Electrochemical Properties of Doubly Fused Porphyrins and Related Fused Chlorins. Inorg Chem 2020; 59:1481-1495. [PMID: 31889445 DOI: 10.1021/acs.inorgchem.9b03329] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
The electrochemical and physicochemical properties of tetraphenylporphyrins and tetraphenylchlorins with two fused indanedione (IND) or malononitrile (MN) groups and two antipodal Br, Ph, or H β-substituents are investigated in nonaqueous media. These compounds were synthesized by oxidative fusion of free-base trans-chlorins, followed by metalation. The corresponding free-base di-fused chlorins were also isolated as intermediates and characterized for comparisons. The examined di-fused porphyrins (DFP) and di-fused chlorins (DFC) are represented as MDFP(Y)2(R)2 and H2DFC(Y)2(R)2, where M = 2H, CuII, NiII, ZnII, and CoII, Y is a fused indanedione (IND) or malononitrile group (MN), and R = H, Br, or Ph. The IND- and MN-appended compounds in both series exhibit the expected two one-electron oxidations but quite different redox behavior is observed upon reduction, where the free-base IND-appended chlorins show four reversible one-electron reductions, compared to only two for the related free-base MN-appended chlorins. Although porphyrin trianions and tetraanions have been recently described for derivatives with highly electron-withdrawing and/or π-extending substituents, this seems not to be the case for the doubly fused IND-chlorins, where the first two one-electron additions are proposed to be located at the conjugated macrocycle and the last two at the fused IND groups, each of which is reduced at a different potential, consistent with the behavior expected for two equivalent and interacting redox centers. Unlike the examined chlorins, which are all stable in their electroreduced forms, the electrogenerated anionic forms of the di-fused porphyrins are all highly reactive and characterized by cyclic voltammograms having reduction peaks not only for the synthesized compounds added to solution but also for one or more new redox active species formed at the electrode surface in homogeneous chemical reactions following electron transfer. Comparisons are made between electrochemical behavior of the structurally related porphyrins and chlorins and the sites of electron transfer assigned on the basis of known electrochemical diagnostic criteria. One of the compounds, ZnDFP(MN)2, was also structurally characterized as having a ruffled and twisted macrocyclic conformation.
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Affiliation(s)
- Nivedita Chaudhri
- Department of Chemistry , Indian Institute of Technology Roorkee , Roorkee 247667 , India
| | - Lei Cong
- Department of Chemistry , University of Houston , Houston , Texas 77204-5003 , United States
| | - Amir Sohel Bulbul
- Department of Chemistry , Indian Institute of Technology Roorkee , Roorkee 247667 , India
| | - Nitika Grover
- Department of Chemistry , Indian Institute of Technology Roorkee , Roorkee 247667 , India
| | - W Ryan Osterloh
- Department of Chemistry , University of Houston , Houston , Texas 77204-5003 , United States
| | - Yuanyuan Fang
- Department of Chemistry , University of Houston , Houston , Texas 77204-5003 , United States
| | - Muniappan Sankar
- Department of Chemistry , Indian Institute of Technology Roorkee , Roorkee 247667 , India
| | - Karl M Kadish
- Department of Chemistry , University of Houston , Houston , Texas 77204-5003 , United States
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49
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Szyszko B, Dróżdż D, Sarwa A, Mucha SG, Białońska A, Białek MJ, Matczyszyn K, Latos-Grażyński L. An exocyclic π-system extension of the phenanthriporphyrin framework: towards azaaceneporphyrinoids. Org Chem Front 2020. [DOI: 10.1039/d0qo00436g] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Abstract
An exocyclic π-extension of phenanthriporphyrin reduces the macrocyclic antiaromaticity of the formed expanded carbaporphyrinoids.
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Affiliation(s)
- Bartosz Szyszko
- Department of Chemistry
- University of Wrocław
- 50-383 Wrocław
- Poland
| | - Damian Dróżdż
- Department of Chemistry
- University of Wrocław
- 50-383 Wrocław
- Poland
| | - Aleksandra Sarwa
- Department of Chemistry
- University of Wrocław
- 50-383 Wrocław
- Poland
| | - Sebastian G. Mucha
- Laboratoire Charles Coulomb
- UMR5221
- University of Montpellier – CNRS
- Montpellier
- France
| | - Agata Białońska
- Department of Chemistry
- University of Wrocław
- 50-383 Wrocław
- Poland
| | - Michał J. Białek
- Department of Chemistry
- University of Wrocław
- 50-383 Wrocław
- Poland
| | - Katarzyna Matczyszyn
- Advanced Materials Engineering and Modelling Group
- Faculty of Chemistry
- Wroclaw University of Science and Technology
- 50-370 Wrocław
- Poland
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50
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Pati NN, Sahoo S, Sahoo SS, Banerjee D, Rao SV, Panda PK. Chromatographically separable ruffled non-planar isomeric octaalkylporphycenes: consequences of unsymmetrical substitution upon structure and photophysical properties. NEW J CHEM 2020. [DOI: 10.1039/d0nj01744b] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Two symmetry reduction induced unsymmetrical porphyrins (2.0.2.0) were synthesized and characterized with distinct structural, optoelectronic and nonlinear optical properties.
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Affiliation(s)
| | - Sameeta Sahoo
- School of Chemistry
- University of Hyderabad
- Hyderabad-500046
- India
| | - Sipra S. Sahoo
- School of Chemistry
- University of Hyderabad
- Hyderabad-500046
- India
| | - Dipanjan Banerjee
- Advanced Centre of Research in High Energy Materials (ACRHEM)
- University of Hyderabad
- Hyderabad-500046
- India
| | - S. Venugopal Rao
- Advanced Centre of Research in High Energy Materials (ACRHEM)
- University of Hyderabad
- Hyderabad-500046
- India
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