1
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Rohal RK, Banerjee D, Rana N, Soma VR, Sankar M. Third-order nonlinear optical properties of highly electron deficient, nonplanar push-pull porphyrins: β-nitro-hexa-substituted porphyrins bearing bromo, phenyl, and phenylethynyl groups. Dalton Trans 2024; 53:6436-6444. [PMID: 38506309 DOI: 10.1039/d4dt00045e] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/21/2024]
Abstract
β-Heptasubstituted porphyrins [MTPP(NO2)X6; M = 2H, NiII, CuII, and ZnII; X = Br, Ph, and PE] were synthesized and their third-order nonlinear optical (NLO) properties explored using the single-beam Z-scan technique with femtosecond, MHz pulses in the visible range. The three-photon absorption (γ), third-order nonlinear optical susceptibility (χ3), three-photon absorption cross-section (σ3), and nonlinear refractive index (n2) have been determined from theoretical fits with experimental results. The sign and magnitude of the nonlinear refractive index (n2) have been obtained from the closed-aperture experiment while the three-photon absorption coefficient and three-photon absorption cross-section were determined from the open-aperture experiment. The magnitudes of the 3PA and σ3 extended in the range of (2.7-3.4) × 10-23 cm3 W-2 and (5.5-7.0) × 10-78 cm6 s2, respectively. The higher magnitude of the NLO coefficients ensures their utility in optical and photonic applications.
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Affiliation(s)
- Renu K Rohal
- Department of Chemistry, Indian Institute of Technology Roorkee, Roorkee 247667, India.
| | - Dipanjan Banerjee
- Advanced Centre of Research in High Energy Materials (ACRHEM), University of Hyderabad, Hyderabad 500046, Telangana, India.
| | - Nivedita Rana
- Department of Chemistry, Indian Institute of Technology Roorkee, Roorkee 247667, India.
| | - Venugopal Rao Soma
- Advanced Centre of Research in High Energy Materials (ACRHEM), University of Hyderabad, Hyderabad 500046, Telangana, India.
- School of Physics, University of Hyderabad, Hyderabad 500046, Telangana, India
| | - Muniappan Sankar
- Department of Chemistry, Indian Institute of Technology Roorkee, Roorkee 247667, India.
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2
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Sahoo S, Sahoo SS, Nagamaiah J, Rana A, Panda PK. Effect of β-Substitution and β,β'-Fusion on the Formation of Boron Complexes of Porphycenes. Inorg Chem 2023; 62:21443-21450. [PMID: 38060350 DOI: 10.1021/acs.inorgchem.3c03581] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2023]
Abstract
Boron(III) complexation was investigated in a series of β-substituted porphycenes. Unlike meso-arylporphycenes, these macrocycles undergo a facile complexation reaction. Upon fusion of the β,β'-positions of the porphycene ligand, the complexation resulted in fast insertion of boron, forming the cisoid-B2OF2 complex. However, in the case of the other β-substituted porphycenes, only bis-BF2 complexes formed. The effect of these substituents on the core geometry and photophysical properties are elaborated here.
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Affiliation(s)
- Sameeta Sahoo
- School of Chemistry, University of Hyderabad, Hyderabad 500046, India
| | | | | | - Anup Rana
- School of Chemistry, University of Hyderabad, Hyderabad 500046, India
| | - Pradeepta K Panda
- School of Chemistry, University of Hyderabad, Hyderabad 500046, India
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3
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Han P, Han M, Sessler JL, Lei C. Resolution of Expanded Porphyrinoids: A Path to Persistent Chirality and Appealing Chiroptical Properties. Chemistry 2023; 29:e202303058. [PMID: 37851869 DOI: 10.1002/chem.202303058] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/20/2023] [Revised: 10/17/2023] [Accepted: 10/18/2023] [Indexed: 10/20/2023]
Abstract
Chirality is a fundamental characteristic of nature. Expanded porphyrinoids and their analogues offer an attractive platform for delving into the intricacies of chirality. Expanded porphyrinoids comprise pyrrolic macrocycles and related heterocyclic systems. As a class, expanded porphyrinoids are widely recognized for their flexible structural features, nontrivial coordination capabilities, and intriguing optical and electronic properties. With limited exceptions, their inherent conformational flexibility coupled with a low racemization barrier allows for the facile interchange between enantiomers. As a result, achieving the effective chiral resolution of individual enantiomers and the subsequent exploration of their chiroptical properties represents a significant challenge. This review summarizes strategies used to realize the chiral resolution of expanded porphyrinoids and the understanding of intrinsic chiroptical properties that has emerged from these separation efforts. It is our hope that this review will serve not only to codify our current understanding of chiral expanded porphyrinoids, but also inspire advances in the generalized area of chiral functional materials.
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Affiliation(s)
- Puren Han
- Department of Physics, College of Sciences, Shanghai University, Shanghai, 200444, P. R. China
- Center for Supramolecular Chemistry and Catalysis Department of Chemistry, College of Science, Shanghai University, Shanghai, 200444, P. R. China
| | - Mutian Han
- Center for Supramolecular Chemistry and Catalysis Department of Chemistry, College of Science, Shanghai University, Shanghai, 200444, P. R. China
| | - Jonathan L Sessler
- Department of Chemistry, The University of Texas at Austin, 105 East 24th Street, Stop A5300, Austin, Texas, 78712-1224, USA
| | - Chuanhu Lei
- Center for Supramolecular Chemistry and Catalysis Department of Chemistry, College of Science, Shanghai University, Shanghai, 200444, P. R. China
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4
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Sahoo SS, Panda PK. Bis(naphthobipyrrolyl)methene-derived hexapyrrolic BODIPY as a single-molecule helicate with near-infrared emission. Chem Commun (Camb) 2023. [PMID: 37465935 DOI: 10.1039/d3cc02336b] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 07/20/2023]
Abstract
Helically twisted bis(naphthobipyrrolyl)methene-derived open-chain hexapyrroles have been synthesized as HCl salts and the corresponding BODIPY. Their solid-state structures elucidated by single-crystal X-ray diffraction analysis clearly showed the presence of intramolecular hydrogen bonds, which were concluded to play a pivotal role in stabilizing the twisted conformation. Both molecules were observed to be NIR active, with the BODIPY moiety emission extending beyond 800 nm.
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Affiliation(s)
| | - Pradeepta K Panda
- School of Chemistry University of Hyderabad, Hyderabad-500046, India.
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5
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Tan B, Ding W, Yin Y, Xu K, Yin Y, Chen X, Huang Z, Wu L, Sessler JL, Zhang Z. Quinoxaline-fused octaphyrin(2.0.0.0.2.0.0.0). A rudimentary chemosensor. Chem Commun (Camb) 2023; 59:708-711. [PMID: 36537661 DOI: 10.1039/d2cc05604f] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
A quinoxaline-fused octaphyrin(2.0.0.0.2.0.0.0) was synthesized by the FeCl3-induced oxidative coupling of an α-free quinoxaline-fused tetrapyrrole. This macrocycle adopts a figure-of-eight conformation in the solid state and acts as a rudimentary chemosensor in solution. The Lewis basic anions fluoride and hydroxide induce a colour change via a deprotonation mechanism.
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Affiliation(s)
- Bingbin Tan
- Key Laboratory of Catalysis and Energy Materials Chemistry of Ministry of Education & Hubei Key Laboratory of Catalysis and Materials Science, South-Central Minzu University, Wuhan 430074, China.
| | - Wenjing Ding
- Key Laboratory of Catalysis and Energy Materials Chemistry of Ministry of Education & Hubei Key Laboratory of Catalysis and Materials Science, South-Central Minzu University, Wuhan 430074, China.
| | - Yu Yin
- Key Laboratory of Catalysis and Energy Materials Chemistry of Ministry of Education & Hubei Key Laboratory of Catalysis and Materials Science, South-Central Minzu University, Wuhan 430074, China.
| | - Kui Xu
- Key Laboratory of Catalysis and Energy Materials Chemistry of Ministry of Education & Hubei Key Laboratory of Catalysis and Materials Science, South-Central Minzu University, Wuhan 430074, China.
| | - Ying Yin
- Center for Supramolecular Chemistry and Catalysis, Shanghai University, 99 Shangda Road, Shanghai 200444, China
| | - Xi Chen
- Key Laboratory of Catalysis and Energy Materials Chemistry of Ministry of Education & Hubei Key Laboratory of Catalysis and Materials Science, South-Central Minzu University, Wuhan 430074, China.
| | - Zhengxi Huang
- Key Laboratory of Catalysis and Energy Materials Chemistry of Ministry of Education & Hubei Key Laboratory of Catalysis and Materials Science, South-Central Minzu University, Wuhan 430074, China.
| | - Lamei Wu
- Key Laboratory of Catalysis and Energy Materials Chemistry of Ministry of Education & Hubei Key Laboratory of Catalysis and Materials Science, South-Central Minzu University, Wuhan 430074, China.
| | - Jonathan L Sessler
- Department of Chemistry, The University of Texas at Austin, Texas 78712-1224, USA.
| | - Zhan Zhang
- Key Laboratory of Catalysis and Energy Materials Chemistry of Ministry of Education & Hubei Key Laboratory of Catalysis and Materials Science, South-Central Minzu University, Wuhan 430074, China.
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6
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Zhou Y, Parkes MA, Zhang J, Wang Y, Ruddlesden M, Fielding HH, Su L. Single-crystal organometallic perovskite optical fibers. SCIENCE ADVANCES 2022; 8:eabq8629. [PMID: 36149951 PMCID: PMC9506722 DOI: 10.1126/sciadv.abq8629] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 05/05/2022] [Accepted: 08/08/2022] [Indexed: 06/16/2023]
Abstract
Semiconductors in their optical-fiber forms are desirable. Single-crystal organometallic halide perovskites have attractive optoelectronic properties and therefore are suitable fiber-optic platforms. However, single-crystal organometallic perovskite optical fibers have not been reported before due to the challenge of one-directional single-crystal growth in solution. Here, we report a solution-processed approach to continuously grow single-crystal organometallic perovskite optical fibers with controllable diameters and lengths. For single-crystal MAPbBr3 (MA = CH3NH3+) perovskite optical fiber made using our method, it demonstrates low transmission losses (<0.7 dB/cm), mechanical flexibilities (a bending radius down to 3.5 mm), and mechanical deformation-tunable photoluminescence in organometallic perovskites. Moreover, the light confinement provided by our organometallic perovskite optical fibers leads to three-photon absorption (3PA), in contrast with 2PA in bulk single crystals under the same experimental conditions. The single-crystal organometallic perovskite optical fibers have the potential in future optoelectronic applications.
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Affiliation(s)
- Yongfeng Zhou
- School of Engineering and Materials Science, Queen Mary University of London, London E1 4NS, UK
| | - Michael A. Parkes
- Department of Chemistry, University College London, 20 Gordon Street, London WC1H 0AJ, UK
| | - Jinshuai Zhang
- School of Engineering and Materials Science, Queen Mary University of London, London E1 4NS, UK
| | - Yufei Wang
- School of Engineering and Materials Science, Queen Mary University of London, London E1 4NS, UK
| | - Michael Ruddlesden
- School of Engineering and Materials Science, Queen Mary University of London, London E1 4NS, UK
| | - Helen H. Fielding
- Department of Chemistry, University College London, 20 Gordon Street, London WC1H 0AJ, UK
| | - Lei Su
- School of Engineering and Materials Science, Queen Mary University of London, London E1 4NS, UK
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7
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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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8
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Chen H, Shi X, Lun Y, Xu Y, Lu T, Duan Z, Shao M, Sessler JL, Yu H, Lei C. 3,6-Carbazoylene Octaphyrin (1.0.0.0.1.0.0.0) and Its Bis-BF 2 Complex. J Am Chem Soc 2022; 144:8194-8203. [PMID: 35482960 DOI: 10.1021/jacs.2c01240] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
3,6-Carbazole precursors were used to prepare an octaphyrin. The conformation and electronic structure of the system could be modulated through trifluoroacetate (TFA) protonation and BF2 complexation. The resulting nonaromatic macrocyclic complexes, 2-2TFA and 2-2BF2, displayed noteworthy photophysical properties. For instance, the diprotonated species 2-2TFA showed a strong panchromic absorption up to 800 nm, while the bis-BF2-chelated dipyrromethene (BODIPY)-like complex 2-2BF2 exhibited an intense visible absorption feature (ε535nm = 2.1 × 105 M-1 cm-1), as well as a relatively red-shifted emission at 640 nm characterized by a large Stokes shift. It was found that 2-2BF2 could be used to construct a high-quality organic microlaser that functions under optical pumping. The present study highlights the potential utility of expanded porphyrins as possible laser dyes.
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Affiliation(s)
- Hao Chen
- Department of Physics, College of Sciences, Shanghai University, Shanghai 200444, P. R. China.,Center for Supramolecular Chemistry and Catalysis and Department of Chemistry, College of Science, Shanghai University, Shanghai 200444, P. R. China
| | - Xusheng Shi
- State Key Laboratory of Luminescent Materials and Devices, School of Physics and Optoelectronics, South China University of Technology, Guangzhou 510641, P. R. China
| | - Yipeng Lun
- State Key Laboratory of Luminescent Materials and Devices, School of Physics and Optoelectronics, South China University of Technology, Guangzhou 510641, P. R. China
| | - Yan Xu
- Center for Supramolecular Chemistry and Catalysis and Department of Chemistry, College of Science, Shanghai University, Shanghai 200444, P. R. China
| | - Tian Lu
- Materials Genome Institute, Shanghai University, Shanghai 200444, P. R. China
| | - Zhiming Duan
- Center for Supramolecular Chemistry and Catalysis and Department of Chemistry, College of Science, Shanghai University, Shanghai 200444, P. R. China
| | - Min Shao
- Laboratory for Microstructures, Instrumental Analysis and Research Center of Shanghai University, Shanghai University, Shanghai 200444, P. R. China
| | - Jonathan L Sessler
- Department of Chemistry, The University of Texas at Austin, 105 East 24th Street, Stop A5300, Austin, Texas 78712-1224, United States
| | - Huakang Yu
- State Key Laboratory of Luminescent Materials and Devices, School of Physics and Optoelectronics, South China University of Technology, Guangzhou 510641, P. R. China.,China-Singapore International Joint Research Institute, Guangzhou Knowledge City, Guangzhou 510663, P. R. China
| | - Chuanhu Lei
- Center for Supramolecular Chemistry and Catalysis and Department of Chemistry, College of Science, Shanghai University, Shanghai 200444, P. R. China
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9
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Zheng Y, Wang X, Chen H, Lu T, Duan Z, Lei C. 1,4-Phenylene-Incorporated Decaphyrin(1.0.1.0.0.1.0.1.0.0): Synthesis, Structure, and Topological Chirality. Org Lett 2022; 24:2509-2514. [PMID: 35348345 DOI: 10.1021/acs.orglett.2c00636] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
Expanded porphyrins represent emerging structures in realizing topological chirality; however, their inherent flexibility has hampered the effective chiral resolution. Herein, we rationally designed a decaphyrin 9, which could be separated into its enantiomers in the free-base form. The enantiomers showed noteworthy chiroptical properties, e.g., the intense circular dichroism response in the visible spectrum, and high absorption dissymmetry factors (gabs) of 0.036 at 618 nm. Theoretical analyses further explained the origin of the high gabs value.
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Affiliation(s)
- Yunchao Zheng
- Center for Supramolecular Chemistry & Catalysis and Department of Chemistry, College of Sciences, Shanghai University, Shanghai 200444, China
| | - Xue Wang
- Center for Supramolecular Chemistry & Catalysis and Department of Chemistry, College of Sciences, Shanghai University, Shanghai 200444, China
| | - Hao Chen
- Center for Supramolecular Chemistry & Catalysis and Department of Chemistry, College of Sciences, Shanghai University, Shanghai 200444, China
| | - Tian Lu
- Materials Genome Institute, Shanghai University, Shanghai 200444, China
| | - Zhiming Duan
- Center for Supramolecular Chemistry & Catalysis and Department of Chemistry, College of Sciences, Shanghai University, Shanghai 200444, China
| | - Chuanhu Lei
- Center for Supramolecular Chemistry & Catalysis and Department of Chemistry, College of Sciences, Shanghai University, Shanghai 200444, China
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10
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Sahoo S, Panda PK. In-Core N4-Coordination of Palladium(II) in Dinaphthoporphycene: Synthesis, Structure, and Photophysical Studies. Inorg Chem 2022; 61:2707-2712. [PMID: 35107282 DOI: 10.1021/acs.inorgchem.1c03629] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
Dinaphthoporphycene (DNP) has emerged as a versatile ligand undergoing large out-of-plane distortion to form a cis-bimetallic complex with Pd(II) using Pd(OAc)2 and out-of-plane monometallic complexes with Pd(acac)2 and PtCl2(PhCN)2. Herein, we are finally able to synthesize the in-core complex with Pd(II) using PdCl2(PhCN)2 or PdCl2. The crystal structure shows the palladium ion resides slightly above the N4-core, with the Pd(II) dimensionally dissenting with the typical square planarity displayed by the reported in-core DNP complexes with Ni(II) and Cu(II) ions. The deformed complex displays a blue shift in the absorption spectra compared to DNP and its metallo-derivatives. PdDNP exhibits a moderate singlet oxygen generation ability (18%).
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Affiliation(s)
- Sameeta Sahoo
- School of Chemistry, University of Hyderabad, Hyderabad 500046, India
| | - Pradeepta K Panda
- School of Chemistry, University of Hyderabad, Hyderabad 500046, India
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11
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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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12
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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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13
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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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14
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Srivishnu KS, Banerjee D, Ramnagar RA, Rathod J, Giribabu L, Soma VR. Optical, Electrochemical, Third-Order Nonlinear Optical Investigations of 3,4,5-Trimethoxy Phenyl Substituted Non-Aqueous Phthalocyanines. Front Chem 2021; 9:713939. [PMID: 34568277 PMCID: PMC8458761 DOI: 10.3389/fchem.2021.713939] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/28/2021] [Accepted: 07/29/2021] [Indexed: 11/13/2022] Open
Abstract
A new series of non-aqueous phthalocyanines having 3,4,5-trimethoxy phenyl group at peripheral positions in which the central cavity possessing Cu(II), Zn(II), and without metals has been synthesized, and its absorption, fluorescence (steady-state and excited state lifetimes), electrochemical, and third-order nonlinear optical (NLO) properties were evaluated. Absorption studies data suggest that all three phthalocyanines obey Beer-Lambert's law, and the redox properties indicate that both oxidation and reduction reactions are macrocyclic centered. The singlet quantum yields were measured in different solvents and were found to be in the range of 0.2-0.5 in the case of free-base, whereas it was in the range of 0.1-0.5 in zinc derivative, while the time-resolved fluorescence data revealed lifetimes of typically a few ns. The third-order NLO properties were investigated using the Z-scan technique with kilohertz (for retrieving true electronic nonlinearities) and megahertz repetition rate femtosecond pulses at 800 nm. Intensity-dependent Z-scan studies revealed robust NLO coefficients for solutions and thin films (two-photon absorption cross-sections of 9,300-57,000 GM) of these molecules suggesting a strong potential for optical switching, imaging, and optical limiting applications.
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Affiliation(s)
- K. S. Srivishnu
- Polymers and Functional Materials Division, CSIR-Indian Institute of Chemical Technology, Hyderabad, India
- Academy of Scientific and Innovative Research (AcSIR), Ghaziabad, India
| | - Dipanjan Banerjee
- Advanced Centre of Research in High Energy Materials (ACRHEM), University of Hyderabad, Hyderabad, India
| | - Ramya Athira Ramnagar
- Polymers and Functional Materials Division, CSIR-Indian Institute of Chemical Technology, Hyderabad, India
| | - Jagannath Rathod
- Advanced Centre of Research in High Energy Materials (ACRHEM), University of Hyderabad, Hyderabad, India
| | - Lingamallu Giribabu
- Polymers and Functional Materials Division, CSIR-Indian Institute of Chemical Technology, Hyderabad, India
- Academy of Scientific and Innovative Research (AcSIR), Ghaziabad, India
| | - Venugopal Rao Soma
- Advanced Centre of Research in High Energy Materials (ACRHEM), University of Hyderabad, Hyderabad, India
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15
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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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16
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Rana A, Sathish Kumar B, Panda PK. 3,6,13,16-Tetrasubstituted Porphycene: The Missing Link in Porphycene Chemistry. Org Lett 2020; 22:7175-7180. [PMID: 32852214 DOI: 10.1021/acs.orglett.0c02494] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
We have introduced the first 3,6,13,16-tetrasubstituted porphycene as its tetramethoxy analogue. This substitution pattern is one of the most general patterns yet missing in this isomeric porphyrin chemistry. This porphycene exhibits intense fluorescence along with the ability to coordinate with divalent metal ions; in particular, it forms the first stable Zn(II) complex among the tetrasubstituted porphycenes. Notably, the molecular structure of Zn1•Py displays supramolecular chirality.
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17
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Mollo MC, Kilimciler NB, Bisceglia JA, Orelli LR. Microwave-assisted synthesis of 2-substituted 4,5,6,7-tetrahydro-1,3-thiazepines from 4-aminobutanol. Beilstein J Org Chem 2020; 16:32-38. [PMID: 31976014 PMCID: PMC6964664 DOI: 10.3762/bjoc.16.5] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/26/2019] [Accepted: 12/11/2019] [Indexed: 01/07/2023] Open
Abstract
A general procedure for the synthesis of 2-substituted tetrahydro-1,3-thiazepines by MW-assisted cyclization of 4-thioamidobutanols is presented. The acyclic precursors were prepared in high overall yields by an expeditious three-step diacylation/thionation/deprotection sequence from 4-aminobutanol. Microwave-assisted ring closure of 4-thioamido alcohols promoted by trimethylsilyl polyphosphate (PPSE) in solvent-free conditions allowed for the synthesis of several hitherto unreported seven-membered iminothioethers bearing 2-aryl, alkenyl, aralkyl and alkyl substituents. The cyclodehydration reaction is likely to involve an SN2-type displacement and affords good to excellent yields of the desired heterocycles in very short reaction times.
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Affiliation(s)
- María C Mollo
- Universidad de Buenos Aires. CONICET. Departamento de Química Orgánica, Facultad de Farmacia y Bioquímica. Junín 956, (1113) Buenos Aires, Argentina
| | - Natalia B Kilimciler
- Universidad de Buenos Aires. CONICET. Departamento de Química Orgánica, Facultad de Farmacia y Bioquímica. Junín 956, (1113) Buenos Aires, Argentina
| | - Juan A Bisceglia
- Universidad de Buenos Aires. CONICET. Departamento de Química Orgánica, Facultad de Farmacia y Bioquímica. Junín 956, (1113) Buenos Aires, Argentina
| | - Liliana R Orelli
- Universidad de Buenos Aires. CONICET. Departamento de Química Orgánica, Facultad de Farmacia y Bioquímica. Junín 956, (1113) Buenos Aires, Argentina
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18
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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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19
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Kuzuhara D, Nakaoka H, Matsuo K, Aratani N, Yamada H. 2,7,12,17-Tetra(2,5-thienylene)-substituted porphycenes. J PORPHYR PHTHALOCYA 2019. [DOI: 10.1142/s1088424619500743] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
Abstract
We report syntheses of thiophene and dithiophene-substituted porphycenes (ThPc and DThPc) at 2,7,12,17-positions by McMurry coupling. The crystal structure of ThPc revealed that the porphycene plane shows a highly planar structure, and the dihedral angles between the porphycene core and thiophene are relatively small at 21[Formula: see text] and 18[Formula: see text]. ThPc and DThPc exhibit red-shifted and broadened absorption because of the extension of [Formula: see text] conjugations through porphycene to the substituted thiophenes. We found that introduction of thiophene units onto porphycene results in decreasing the HOMO–LUMO differences effectively.
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Affiliation(s)
- Daiki Kuzuhara
- Faculty of Science and Engineering, Iwate University, 4-3-5 Ueda, Morioka, Iwate 020-8551, Japan
| | - Haruka Nakaoka
- Graduate School of Science and Technology, Nara Institute of Science and Technology, 8916-5 Takayama-cho, Ikoma, Nara 630-0192, Japan
| | - Kyohei Matsuo
- Graduate School of Science and Technology, Nara Institute of Science and Technology, 8916-5 Takayama-cho, Ikoma, Nara 630-0192, Japan
| | - Naoki Aratani
- Graduate School of Science and Technology, Nara Institute of Science and Technology, 8916-5 Takayama-cho, Ikoma, Nara 630-0192, Japan
| | - Hiroko Yamada
- Graduate School of Science and Technology, Nara Institute of Science and Technology, 8916-5 Takayama-cho, Ikoma, Nara 630-0192, Japan
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20
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Bhagyaraj S, Perumbilavil S, Udayabashkar R, Mangalaraja RV, Thomas S, Kalarikkal N, Oluwafemi OS. Tuning of nonlinear absorption in highly luminescent CdSe based quantum dots with core-shell and core/multi-shell architectures. Phys Chem Chem Phys 2019; 21:11424-11434. [PMID: 31111834 DOI: 10.1039/c9cp00476a] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Abstract
We present our effort on an efficient way of tuning the nonlinear absorption mechanisms in ultra-small CdSe based quantum dots by implementing core-shell and core/multi-shell architectures. Depending on the size, architecture and composition of the QDs, these materials exhibited resonant and near-resonant nonlinear optical absorption properties such as saturable (SA) and reverse saturable (RSA) absorption for 5 ns pulses of 532 nm. These QDs exhibited a non-monotonic dependence of the effective two-photon absorption coefficient (β) under nanosecond excitation with a maximum value for a thinner shell. We obtained a nonlinear absorption enhancement of an order of magnitude by adopting the core-shell architecture compared to their individual counterparts. Interestingly, CdSe QDs exhibit SA and/or RSA depending on their size and show a switching over from SA to RSA as the input intensity increases. We explained the enhanced nonlinear absorption in core-shell QDs compared to their individual counterparts in view of enhanced local fields associated with the core-shell structure. Thus, the present nanostructured materials are excellent candidates as saturable absorbers and optical limiters.
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Affiliation(s)
- Sneha Bhagyaraj
- Department of Applied Chemistry, University of Johannesburg, P.O. Box 17011, Doornfontein, 2028 Johannesburg, South Africa. and Centre for Nanomaterials Science Research, University of Johannesburg, Johannesburg, South Africa and International and Interuniversity Centre for Nanoscience and Nanotechnology, Mahatma Gandhi University, Kottayam, Kerala - 686560, India. and Center for Advanced Materials, Qatar University, P.O. Box 2713, Doha, Qatar
| | | | - R Udayabashkar
- Advanced Ceramics and Nanotechnology Laboratory, Department of Materials Engineering, Faculty of Engineering, University of Concepcion, Concepcion, Chile
| | - R V Mangalaraja
- Advanced Ceramics and Nanotechnology Laboratory, Department of Materials Engineering, Faculty of Engineering, University of Concepcion, Concepcion, Chile
| | - Sabu Thomas
- International and Interuniversity Centre for Nanoscience and Nanotechnology, Mahatma Gandhi University, Kottayam, Kerala - 686560, India. and School of Chemical Sciences, Mahatma Gandhi University, Kottayam, Kerala-686560, India
| | - Nandakumar Kalarikkal
- International and Interuniversity Centre for Nanoscience and Nanotechnology, Mahatma Gandhi University, Kottayam, Kerala - 686560, India. and School of Pure and Applied Physics, Mahatma Gandhi University, Kottayam, Kerala-686560, India
| | - Oluwatobi Samuel Oluwafemi
- Department of Applied Chemistry, University of Johannesburg, P.O. Box 17011, Doornfontein, 2028 Johannesburg, South Africa. and Centre for Nanomaterials Science Research, University of Johannesburg, Johannesburg, South Africa
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21
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Yin Y, Sarma T, Wang F, Yuan N, Duan Z, Sessler JL, Zhang Z. Air-Stable N, N'-Dihydroporphycene: A Quinoxaline-Fused Tetrapyrrolic Macrocycle That Detects Fluoride Anion via Deprotonation. Org Lett 2019; 21:1849-1852. [PMID: 30810325 DOI: 10.1021/acs.orglett.9b00445] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
An air-stable N, N'-dihydroporphycene, the two-electron reduced form of porphycene, possessing two quinoxaline moieties fused at meso positions, was prepared and characterized. Nuclear magnetic resonance (NMR) and ultraviolet-visible light (UV-vis) spectroscopic studies and single-crystal X-ray diffraction analyses support its formulation as a nonaromatic species. Upon treatment with tetrabutylammonium fluoride (TBAF) in chloroform, a color change is produced that is consistent with deprotonation. Selective detection of this anion is readily achieved.
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Affiliation(s)
- Ying Yin
- Center for Supramolecular Chemistry and Catalysis , Shanghai University , 99 Shangda Road , Shanghai 200444 , China.,College of Chemistry & Material Science , South-Central University for Nationality , Wuhan , Hubei 430074 , China
| | - Tridib Sarma
- Center for Supramolecular Chemistry and Catalysis , Shanghai University , 99 Shangda Road , Shanghai 200444 , China
| | - Fei Wang
- Center for Supramolecular Chemistry and Catalysis , Shanghai University , 99 Shangda Road , Shanghai 200444 , China
| | - Ningning Yuan
- Center for Supramolecular Chemistry and Catalysis , Shanghai University , 99 Shangda Road , Shanghai 200444 , China.,College of Chemistry & Material Science , South-Central University for Nationality , Wuhan , Hubei 430074 , China
| | - Zhiming Duan
- Center for Supramolecular Chemistry and Catalysis , Shanghai University , 99 Shangda Road , Shanghai 200444 , China
| | - Jonathan L Sessler
- Center for Supramolecular Chemistry and Catalysis , Shanghai University , 99 Shangda Road , Shanghai 200444 , China
| | - Zhan Zhang
- Center for Supramolecular Chemistry and Catalysis , Shanghai University , 99 Shangda Road , Shanghai 200444 , China.,College of Chemistry & Material Science , South-Central University for Nationality , Wuhan , Hubei 430074 , China
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22
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Firmansyah D, Hong SJ, Dutta R, He Q, Bae J, Jo H, Kim H, Ok KM, Lynch VM, Byon HR, Sessler JL, Lee CH. Trapping of Stable [4n+1] π-Electron Species from Peripherally Substituted, Conformationally Rigid, Antiaromatic Hexaphyrins. Chemistry 2019; 25:3525-3531. [PMID: 30684359 DOI: 10.1002/chem.201900022] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/03/2019] [Revised: 01/21/2019] [Indexed: 11/09/2022]
Abstract
Peripherally substituted antiaromatic naphthorosarins have been synthesized for the first time. The synthesis was accomplished by acid-catalyzed condensation of naphthobipyrrole building blocks with aromatic aldehydes. The naphthobipyrrole building blocks were synthesized by simple oxidative coupling of the corresponding pyrrole substituted aromatics. Solid-state structural analyses of the synthesized naphthorosarins revealed that the presence of meso-2,6-dichlorophenyl- and 5,6-difluoro-substitution substantially alter the geometry and properties of the naphthorosarins. The substituents affect the redox potentials as well and, in turn, the proton-coupled electron-transfer processes leading to the formation of one- and two-electron reduced forms of the corresponding naphthorosarins. One particular naphthorosarin that bears both peripheral fluorine and meso-2,6-dichlorophenyl substituents forms a stable 25 π-electron species upon treating with TFA that was characterized by single-crystal X-ray diffraction analysis. The current study underscores how structural modifications can be used to fine-tune the electronic features of naphthorosarins, including stabilization of odd electron species.
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Affiliation(s)
- Dikhi Firmansyah
- Department of Chemistry, Kangwon National University, Chuncheon, 24341, Korea
| | - Seong-Jin Hong
- Department of Chemistry, Kangwon National University, Chuncheon, 24341, Korea
| | - Ranjan Dutta
- Department of Chemistry, Kangwon National University, Chuncheon, 24341, Korea
| | - Qing He
- Department of Chemistry, The University of Texas at Austin, Austin, TX, 78712-1224, USA
| | - Jinhee Bae
- Department of Chemistry, Korea Advanced Institute of Science and Technology (KAIST), Advanced Battery Center, NanoCentury, KAIST Institute, 291 Daehak-ro, Yuseong-gu, Daejeon, 34141, Korea
| | - Hongil Jo
- Department of Chemistry, Sogang University, 35 Baekbeom-ro, Mapo-gu, Seoul, 04107, Korea
| | - Hakwon Kim
- Department of Chemistry, Kyung Hee University, Yong, In, 17104, Korea
| | - Kang Min Ok
- Department of Chemistry, Sogang University, 35 Baekbeom-ro, Mapo-gu, Seoul, 04107, Korea
| | - Vincent M Lynch
- Department of Chemistry, The University of Texas at Austin, Austin, TX, 78712-1224, USA
| | - Hye Ryung Byon
- Department of Chemistry, Korea Advanced Institute of Science and Technology (KAIST), Advanced Battery Center, NanoCentury, KAIST Institute, 291 Daehak-ro, Yuseong-gu, Daejeon, 34141, Korea
| | - Jonathan L Sessler
- Department of Chemistry, The University of Texas at Austin, Austin, TX, 78712-1224, USA
| | - Chang-Hee Lee
- Department of Chemistry, Kangwon National University, Chuncheon, 24341, Korea
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23
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Kishore MVN, Panda PK. Revisiting the intense NIR active bronzaphyrin, a 26-π aromatic expanded porphyrin: synthesis and structural analysis. Chem Commun (Camb) 2018; 54:13135-13138. [PMID: 30402647 DOI: 10.1039/c8cc07752e] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/03/2023]
Abstract
Dithiabronzaphyrin, with intense absorption and fluorescence in the NIR region, was synthesized as its β-octaethyl analogue via a thiophene bridged terpyrrole. Solid state structural characterization obtained for the first time revealed inversion of the thiophene rings. Studies showed that there is no effect from protonation or temperature on the structural rigidity of the macrocycle. Crystal packing revealed four open dimeric trifluoroacetate [(CF3COO)2H]- moieties binding to the macrocycle in the protonated form via H bonding.
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Affiliation(s)
- M V Nanda Kishore
- School of Chemistry, University of Hyderabad, Hyderabad-500046, India.
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24
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Tong Q, Wang YH, Yu XX, Wang B, Liang Z, Tang M, Wu AS, Zhang HJ, Liang F, Xie YF, Wang J. Nonlinear optical and multi-photon absorption properties in graphene-ZnO nanocomposites. NANOTECHNOLOGY 2018; 29:165706. [PMID: 29384501 DOI: 10.1088/1361-6528/aaac13] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/07/2023]
Abstract
Graphene-ZnO (GZO) nanocomposites were synthesized by a modified solvothermal method, and characterized by transmission electron microscopy, x-ray diffraction, Raman spectra, and UV-vis absorption spectra. The controllable nonlinear optical (NLO) properties of as-prepared GZO nanocomposites were tested by an open-aperture Z-scan method with 1030 nm fs laser pulses; the tested results showed that there were five-photon absorption (5PA) at 46.8 GW cm-2, 3PA at 28.1 GW cm-2, 2PA at 18.7 GW cm-2, and a vital change from saturable absorption (SA) to reverse SA (RSA) with the increase of incident intensity. This was the first time that 5PA was found in GZO nanocomposites at such a low intensity, 46.8 GW cm-2. The tunable NLO property from SA to RSA and controllable multi-photon absorption provided a facile approach for their applications in optical, optoelectronic devices, and information storage.
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Affiliation(s)
- Qing Tong
- Hubei province Key Laboratory of Science in Metallurgical Process, Wuhan University of Science and Technology, Wuhan, 430081, People's Republic of China
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25
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Anguera G, Cha WY, Moore MD, Lee J, Guo S, Lynch VM, Kim D, Sessler JL. Hexadecaphyrin-(1.0.0.0.1.1.0.1.1.0.0.0.1.1.0.1): A Dual Site Ligand That Supports Thermal Conformational Changes. J Am Chem Soc 2018; 140:4028-4034. [DOI: 10.1021/jacs.7b13024] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Affiliation(s)
- Gonzalo Anguera
- Department of Chemistry, The University of Texas at Austin, 105 East 24th Street, Stop A5300, Austin, Texas 78712-1224, United States
| | - Won-Young Cha
- Department of Chemistry and Spectroscopy Laboratory for Functional π-Electronic Systems, Yonsei University, Seoul 03722, Korea
| | - Matthew D. Moore
- Department of Chemistry, The University of Texas at Austin, 105 East 24th Street, Stop A5300, Austin, Texas 78712-1224, United States
| | - Juhoon Lee
- Department of Chemistry, The University of Texas at Austin, 105 East 24th Street, Stop A5300, Austin, Texas 78712-1224, United States
| | - Shenyi Guo
- Department of Chemistry, The University of Texas at Austin, 105 East 24th Street, Stop A5300, Austin, Texas 78712-1224, United States
| | - Vincent M. Lynch
- Department of Chemistry, The University of Texas at Austin, 105 East 24th Street, Stop A5300, Austin, Texas 78712-1224, United States
| | - Dongho Kim
- Department of Chemistry and Spectroscopy Laboratory for Functional π-Electronic Systems, Yonsei University, Seoul 03722, Korea
| | - Jonathan L. Sessler
- Department of Chemistry, The University of Texas at Austin, 105 East 24th Street, Stop A5300, Austin, Texas 78712-1224, United States
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26
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Anguera G, Brewster JT, Sánchez-García D, Sessler JL. Functionalized 2,2'-Bipyrroles: Building Blocks for Pyrrolic Macrocycles. MACROHETEROCYCLES 2018; 11:227-245. [PMID: 31763627 PMCID: PMC6874110 DOI: 10.6060/mhc180483s] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Abstract
Functionalized N-unsubstituted 2,2'-bipyrroles are basic building blocks for the preparation of pyrrolic macrocycles and natural products, such as prodigiosines. The aim of this review is to provide a description of the most important methodologies used to prepare 2,2'-bipyrroles and their central role as building blocks for the synthesis of porphyrinoids and property-defining structural elements therein.
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Affiliation(s)
- Gonzalo Anguera
- Department of Chemistry the University of Texas at Austin, A5300 Austin, 78712-1224 Texas, United States
- Grup d’Enginyeria de Materials (GEM4T), Institut Químic de Sarrià, Universitat Ramon Llull, 08017 Barcelona, Spain
| | - James T. Brewster
- Department of Chemistry the University of Texas at Austin, A5300 Austin, 78712-1224 Texas, United States
| | - David Sánchez-García
- Grup d’Enginyeria de Materials (GEM4T), Institut Químic de Sarrià, Universitat Ramon Llull, 08017 Barcelona, Spain
| | - Jonathan L. Sessler
- Department of Chemistry the University of Texas at Austin, A5300 Austin, 78712-1224 Texas, United States
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27
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Ono T, Xu N, Koga D, Ideo T, Sugimoto M, Hisaeda Y. Gram-scale synthesis of porphycenes through acid-catalyzed oxidative macrocyclizations of E/Z-mixed 5,6-diaryldipyrroethenes. RSC Adv 2018; 8:39269-39273. [PMID: 35558012 PMCID: PMC9090978 DOI: 10.1039/c8ra09040h] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/01/2018] [Accepted: 11/19/2018] [Indexed: 12/16/2022] Open
Abstract
A set of novel porphycenes was synthesized on a gram-scale in high overall yields by optimization of macrocyclization of E/Z-mixed 5,6-diaryldipyrroethenes.
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Affiliation(s)
- Toshikazu Ono
- Department of Chemistry and Biochemistry
- Graduate School of Engineering
- Center for Molecular Systems (CMS)
- Kyushu University
- Fukuoka 819-0395
| | - Ning Xu
- Department of Chemistry and Biochemistry
- Graduate School of Engineering
- Center for Molecular Systems (CMS)
- Kyushu University
- Fukuoka 819-0395
| | - Daiki Koga
- Department of Chemistry and Biochemistry
- Graduate School of Engineering
- Center for Molecular Systems (CMS)
- Kyushu University
- Fukuoka 819-0395
| | - Toshihiro Ideo
- Faculty of Advanced Science and Technology
- Kumamoto University
- Kumamoto 860-8555
- Japan
| | - Manabu Sugimoto
- Faculty of Advanced Science and Technology
- Kumamoto University
- Kumamoto 860-8555
- Japan
| | - Yoshio Hisaeda
- Department of Chemistry and Biochemistry
- Graduate School of Engineering
- Center for Molecular Systems (CMS)
- Kyushu University
- Fukuoka 819-0395
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28
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Schwich T, Barlow A, Cifuentes MP, Szeremeta J, Samoc M, Humphrey MG. Stellar Multi-Photon Absorption Materials: Beyond the Telecommunication Wavelength Band. Chemistry 2017; 23:8395-8399. [PMID: 28488357 DOI: 10.1002/chem.201702039] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/08/2017] [Indexed: 11/07/2022]
Abstract
Very large molecular two- and three-photon absorption cross-sections are achieved by appending ligated bis(diphosphine)ruthenium units to oligo(p-phenyleneethynylene) (OPE)-based "stars" with arms up to 7 phenyleneethynylene (PE) units in length. Extremely large three- and four-photon absorption cross-sections, through the telecommunications wavelengths range and beyond, are obtained for these complexes upon optimizing OPE length and the ruthenium-coordinated peripheral ligand. Multi-photon absorption (MPA) cross-sections are optimized with stars possessing arms 2 PE units in length. Peripheral ligand variation modifies MPA merit and, in particular, 4-nitrophenylethynyl ligand incorporation enhances maximal MPA values and "switches on" four-photon absorption (4PA) in these low molecular-weight complexes. The 4-nitrophenylethynyl-ligated 2PE-armed star possesses a maximal four-photon absorption cross-section of 1.8×10-108 cm8 s3 at 1750 nm, and significant MPA activity extending beyond 2000 nm.
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Affiliation(s)
- Torsten Schwich
- Research School of Chemistry, Australian National University, Canberra, ACT, 2601, Australia
| | - Adam Barlow
- Research School of Chemistry, Australian National University, Canberra, ACT, 2601, Australia
| | - Marie P Cifuentes
- Research School of Chemistry, Australian National University, Canberra, ACT, 2601, Australia
| | - Janusz Szeremeta
- Advanced Materials Engineering and Modelling Group, Faculty of Chemistry, Wroclaw University of Science and Technology, Wroclaw, 50-370, Poland
| | - Marek Samoc
- Advanced Materials Engineering and Modelling Group, Faculty of Chemistry, Wroclaw University of Science and Technology, Wroclaw, 50-370, Poland
| | - Mark G Humphrey
- Research School of Chemistry, Australian National University, Canberra, ACT, 2601, Australia
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29
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Kuzuhara D, Sakaguchi M, Furukawa W, Okabe T, Aratani N, Yamada H. Synthesis, Characterization and Protonation Behavior of Quinoxaline-Fused Porphycenes. Molecules 2017; 22:E908. [PMID: 28561796 PMCID: PMC6152776 DOI: 10.3390/molecules22060908] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/13/2017] [Revised: 05/15/2017] [Accepted: 05/24/2017] [Indexed: 11/17/2022] Open
Abstract
9,10-Quinoxaline-fused porphycenes 1a-H₂ and 1b-H₂ were synthesized by intramolecular McMurry coupling. As a result of the annulation of the quinoxaline moiety on the porphycene skeleton, 1a-H₂ and 1b-H₂ display absorption and fluorescence in the near infra-red (NIR) region. Additionally, the quinoxaline moieties of 1a-H₂ and 1b-H₂ act as electron-withdrawing groups, introducing lower reduction potentials than for pristine porphycene. The protonation occurred at the nitrogen atoms in the cavity of freebase porphycenes and at the quinoxaline moieties for their nickel complexes to give diprotonic species.
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Affiliation(s)
- Daiki Kuzuhara
- Graduate School of Materials Science, Nara Institute of Science and Technology, 8916-5 Takayama-cho, Ikoma 630-0192, Japan.
| | - Mika Sakaguchi
- Graduate School of Materials Science, Nara Institute of Science and Technology, 8916-5 Takayama-cho, Ikoma 630-0192, Japan.
| | - Wataru Furukawa
- Graduate School of Materials Science, Nara Institute of Science and Technology, 8916-5 Takayama-cho, Ikoma 630-0192, Japan.
| | - Takuya Okabe
- Graduate School of Materials Science, Nara Institute of Science and Technology, 8916-5 Takayama-cho, Ikoma 630-0192, Japan.
| | - Naoki Aratani
- Graduate School of Materials Science, Nara Institute of Science and Technology, 8916-5 Takayama-cho, Ikoma 630-0192, Japan.
| | - Hiroko Yamada
- Graduate School of Materials Science, Nara Institute of Science and Technology, 8916-5 Takayama-cho, Ikoma 630-0192, Japan.
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30
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31
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Pati NN, Kumar BS, Chandra B, Panda PK. Unsymmetrical Bipyrrole-Derived β-Tetraalkylporphycenes and C-H···Br-C Interaction Induced 2D Arrays of the 2:1 Supramolecular Sandwich Complex of Their cis
-/trans
-Dibromo Isomers. European J Org Chem 2017. [DOI: 10.1002/ejoc.201601584] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Affiliation(s)
- Narendra N. Pati
- School of Chemistry; University of Hyderabad; 500046 Hyderabad India
| | - B. Sathish Kumar
- School of Chemistry; University of Hyderabad; 500046 Hyderabad India
| | - Brijesh Chandra
- School of Chemistry; University of Hyderabad; 500046 Hyderabad India
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32
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Pati NN, Kumar BS, Panda PK. β-Hexaalkylporphycenes: Positional Effect of Alkyl Groups toward Design and Control of Structural and Photophysical Properties in Isomeric Hexaethylporphycenes. Org Lett 2017; 19:134-137. [PMID: 28009516 DOI: 10.1021/acs.orglett.6b03428] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
Two novel β-hexaalkylated porphycenes, i.e., 2,3,7,12,13,17- (HOT) and 2,3,6,12,13,16-hexaethylporphycenes (HIT) were introduced for the first time in porphycene chemistry. These were synthesized through McMurry coupling reactions of new isomeric unsymmetrically substituted triethylbipyrrole dialdehydes. The positional effects of alkyl groups could be manifested through significant alteration in structure of porphycene cores and, as a consequence their photophysical properties, not noticed in β-octaethylporphycene. HOT displays significant fluorescence accompanied by reasonable singlet oxygen generation ability.
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Affiliation(s)
- Narendra N Pati
- School of Chemistry, University of Hyderabad , Hyderabad 500046, India
| | - B Sathish Kumar
- School of Chemistry, University of Hyderabad , Hyderabad 500046, India
| | - Pradeepta K Panda
- School of Chemistry, University of Hyderabad , Hyderabad 500046, India
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33
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Planas O, Fernández-Llaneza D, Nieves I, Ruiz-Gonzalez R, Lemp E, Zanocco AL, Nonell S. Acid- and hydrogen-bonding-induced switching between 22-π and 18-π electron conjugations in 2-aminothiazolo[4,5-c]porphycenes. Phys Chem Chem Phys 2017; 19:25537-25543. [DOI: 10.1039/c7cp02938a] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
Abstract
2-Aminothiazolo[4,5-c]porphycenes undergo a 22-π to 18-π electron conjugation switch in the presence of acids and strong H-bonding solvents.
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Affiliation(s)
- Oriol Planas
- Institut Químic de Sarrià
- Universitat Ramon Llull
- Barcelona 08017
- Spain
| | | | - Ingrid Nieves
- Institut Químic de Sarrià
- Universitat Ramon Llull
- Barcelona 08017
- Spain
| | | | - Else Lemp
- Facultad de Ciencias Químicas y Farmacéuticas
- Universidad de Chile
- Santiago
- Chile
| | - Antonio L. Zanocco
- Facultad de Ciencias Químicas y Farmacéuticas
- Universidad de Chile
- Santiago
- Chile
| | - Santi Nonell
- Institut Químic de Sarrià
- Universitat Ramon Llull
- Barcelona 08017
- Spain
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34
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Ono T, Koga D, Yoza K, Hisaeda Y. The first synthesis of meso-dicycloalkylporphycenes: ring strain effects on structural and optical properties of isomeric porphyrins. Chem Commun (Camb) 2017; 53:12258-12261. [DOI: 10.1039/c7cc07170a] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
Two novel meso-dicycloalkylporphycenes were synthesized for the first time, which showed remarkable ring-strain-induced switching of their fluorescence behaviors in the solution phase.
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Affiliation(s)
- Toshikazu Ono
- Department of Chemistry and Biochemistry
- Graduate School of Engineering
- Kyushu University
- Fukuoka 819-0395
- Japan
| | - Daiki Koga
- Department of Chemistry and Biochemistry
- Graduate School of Engineering
- Kyushu University
- Fukuoka 819-0395
- Japan
| | - Kenji Yoza
- Japan Bruker AXS K.K
- Yokohama 221-0022
- Japan
| | - Yoshio Hisaeda
- Department of Chemistry and Biochemistry
- Graduate School of Engineering
- Kyushu University
- Fukuoka 819-0395
- Japan
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35
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Affiliation(s)
- Tridib Sarma
- Department
of Chemistry, The University of Texas at Austin, Austin, Texas 78712-1224, United States
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36
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Affiliation(s)
- Gonzalo Anguera
- Grup d’Enginyeria
de Materials, Institut Químic de Sarrià, Universitat Ramon Llull, Via Augusta 390, 08017 Barcelona, Spain
| | - David Sánchez-García
- Grup d’Enginyeria
de Materials, Institut Químic de Sarrià, Universitat Ramon Llull, Via Augusta 390, 08017 Barcelona, Spain
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37
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Abstract
A large number of porphyrinoids containing 2,2'-bipyrrole subunits have appeared since they were originally found as a component of sapphyrin and corrole, and it was found that the bipyrrole subunit endowed macrocycles with specific geometric features and electronic properties. Synthetic methods for bipyrrole-containing precursors for porphyrinoid are summarized in this review; these include coupling reactions of pyrrole rings, pyrrole ring-forming reactions leading directly to bipyrrole units, and synthetic reactions for oligopyrrolic compounds. Some hybrid oligopyrroles having nonpyrrole (hetero)aromatic ring(s) are also included. This review also describes porphyrinoids composed of bipyrrole subunits. Interesting electronic properties derived from strong cyclo-π-conjugation are highlighted in the bipyrrole-based porphyrinoids with or without meso-like carbons. Anion-binding chemistry is one of the main topics for bipyrrole-based macrocycles with less efficient or deficient cyclo-π-conjugation, such as those linked with electronically localized aromatic ring(s), with sp3 carbon(s), and with amido or imine connection(s). The principal concern in this review is porphyrinoids of relatively large ring size, composed of more than five units of pyrroles and (hetero)aromatic substitutes in total, and so bipyrrole-based porphyrinoids up to five pyrrolic units, such as corroles, porphycenes, sapphyrins, and smaragdyrin, will not be covered here except for some special cases.
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Affiliation(s)
- Jun-Ichiro Setsune
- Department of Chemistry, Graduate School of Science, Kobe University , Nada-ku, Kobe 657-8501, Japan
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38
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Tanaka T, Osuka A. Chemistry of meso-Aryl-Substituted Expanded Porphyrins: Aromaticity and Molecular Twist. Chem Rev 2016; 117:2584-2640. [DOI: 10.1021/acs.chemrev.6b00371] [Citation(s) in RCA: 283] [Impact Index Per Article: 35.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Takayuki Tanaka
- Department of Chemistry,
Graduate School of Science, Kyoto University, Kyoto 606-8501, Japan
| | - Atsuhiro Osuka
- Department of Chemistry,
Graduate School of Science, Kyoto University, Kyoto 606-8501, Japan
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39
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Abstract
Tautomerization in porphycenes, constitutional isomers of porphyrins, is strongly entangled with spectral and photophysical parameters. The intramolecular double hydrogen transfer occurring in the ground and electronically excited states leads to uncommon spectroscopic characteristics, such as depolarized emission, viscosity-dependent radiationless depopulation, and vibrational-mode-specific tunneling splittings. This review starts with documentation of the electronic spectra of porphycenes: Absorption and magnetic circular dichroism are discussed, together with their analysis based on the perimeter model. Next, photophysical characteristics are presented, setting the stage for the final part, which discusses the developments in research on tautomerism. Porphycenes have been studied in different experimental regimes: molecules in condensed phases, isolated in supersonic jets and helium nanodroplets, and, recently also on the level of single molecules investigated by optical and scanning probe microscopies. Because of the rich and detailed information obtained from these diverse investigations, porphycenes emerge as very good models for studying the complex, multidimensional phenomena involved in the process of intramolecular double hydrogen transfer.
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Affiliation(s)
- Jacek Waluk
- Institute of Physical Chemistry, Polish Academy of Sciences , 01-224 Warsaw, Kasprzaka 44/52, Poland.,Faculty of Mathematics and Science, Cardinal Stefan Wyszyński University , Dewajtis 5, 01-815 Warsaw, Poland
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40
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Stępień M, Gońka E, Żyła M, Sprutta N. Heterocyclic Nanographenes and Other Polycyclic Heteroaromatic Compounds: Synthetic Routes, Properties, and Applications. Chem Rev 2016; 117:3479-3716. [PMID: 27258218 DOI: 10.1021/acs.chemrev.6b00076] [Citation(s) in RCA: 861] [Impact Index Per Article: 107.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/18/2023]
Abstract
Two-dimensionally extended, polycyclic heteroaromatic molecules (heterocyclic nanographenes) are a highly versatile class of organic materials, applicable as functional chromophores and organic semiconductors. In this Review, we discuss the rich chemistry of large heteroaromatics, focusing on their synthesis, electronic properties, and applications in materials science. This Review summarizes the historical development and current state of the art in this rapidly expanding field of research, which has become one of the key exploration areas of modern heterocyclic chemistry.
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Affiliation(s)
- Marcin Stępień
- Wydział Chemii, Uniwersytet Wrocławski , ul. F. Joliot-Curie 14, 50-383 Wrocław, Poland
| | - Elżbieta Gońka
- Wydział Chemii, Uniwersytet Wrocławski , ul. F. Joliot-Curie 14, 50-383 Wrocław, Poland
| | - Marika Żyła
- Wydział Chemii, Uniwersytet Wrocławski , ul. F. Joliot-Curie 14, 50-383 Wrocław, Poland
| | - Natasza Sprutta
- Wydział Chemii, Uniwersytet Wrocławski , ul. F. Joliot-Curie 14, 50-383 Wrocław, Poland
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41
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Sarma M, Chatterjee T, Bodapati R, Krishnakanth KN, Hamad S, Venugopal Rao S, Das SK. Cyclometalated Iridium(III) Complexes Containing 4,4′-π-Conjugated 2,2′-Bipyridine Derivatives as the Ancillary Ligands: Synthesis, Photophysics, and Computational Studies. Inorg Chem 2016; 55:3530-40. [DOI: 10.1021/acs.inorgchem.5b02999] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Monima Sarma
- School of Chemistry, ‡Advanced Centre of Research in High Energy Materials
(ACRHEM), and §School of Physics, University of Hyderabad, Central University, Hyderabad 500 046, India
| | - Tanmay Chatterjee
- School of Chemistry, ‡Advanced Centre of Research in High Energy Materials
(ACRHEM), and §School of Physics, University of Hyderabad, Central University, Hyderabad 500 046, India
| | - Ramakrishna Bodapati
- School of Chemistry, ‡Advanced Centre of Research in High Energy Materials
(ACRHEM), and §School of Physics, University of Hyderabad, Central University, Hyderabad 500 046, India
| | - Katturi Naga Krishnakanth
- School of Chemistry, ‡Advanced Centre of Research in High Energy Materials
(ACRHEM), and §School of Physics, University of Hyderabad, Central University, Hyderabad 500 046, India
| | - Syed Hamad
- School of Chemistry, ‡Advanced Centre of Research in High Energy Materials
(ACRHEM), and §School of Physics, University of Hyderabad, Central University, Hyderabad 500 046, India
| | - S. Venugopal Rao
- School of Chemistry, ‡Advanced Centre of Research in High Energy Materials
(ACRHEM), and §School of Physics, University of Hyderabad, Central University, Hyderabad 500 046, India
| | - Samar K. Das
- School of Chemistry, ‡Advanced Centre of Research in High Energy Materials
(ACRHEM), and §School of Physics, University of Hyderabad, Central University, Hyderabad 500 046, India
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42
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Saravanan M, Sabari Girisun TC, Vinitha G, Venugopal Rao S. Improved third-order optical nonlinearity and optical limiting behaviour of (nanospindle and nanosphere) zinc ferrite decorated reduced graphene oxide under continuous and ultrafast laser excitation. RSC Adv 2016. [DOI: 10.1039/c6ra21428b] [Citation(s) in RCA: 47] [Impact Index Per Article: 5.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/13/2023] Open
Abstract
Nanohybrids consisting of uniform nanospheres and nanospindles of zinc ferrite attached to reduced graphene oxide were prepared by hydrothermal reaction.
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Affiliation(s)
- M. Saravanan
- Nanophotonics Laboratory
- School of Physics
- Bharathidasan University
- Tiruchirappalli
- India
| | - T. C. Sabari Girisun
- Nanophotonics Laboratory
- School of Physics
- Bharathidasan University
- Tiruchirappalli
- India
| | - G. Vinitha
- Division of Physics
- School of Advanced Science
- VIT Chennai
- Chennai-600 127
- India
| | - S. Venugopal Rao
- Advanced Centre of Research in High Energy Materials (ACRHEM)
- University of Hyderabad
- Hyderabad 500046
- India
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43
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Sarma T, Kumar BS, Panda PK. β,β'-Bipyrrole Fusion-Driven cis-Bimetallic Complexation in Isomeric Porphyrin. Angew Chem Int Ed Engl 2015; 54:14835-9. [PMID: 26486503 DOI: 10.1002/anie.201508409] [Citation(s) in RCA: 25] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/14/2015] [Indexed: 11/09/2022]
Abstract
An unprecedented cis-bimetallic complex of dinaphthoporphycene (DNP), namely [Pd2(μ-DNP)(μ-OAc)2], is reported. The most striking feature of this complex is that two palladiums coordinate to the macrocycle on the same side and are closely held together (Pd-Pd: 2.67 Å) by two bridging acetate ligands exhibiting significant metal-metal bonding interaction (bond order 0.18 evaluated by NBO analysis). Interestingly, replacing acetate with acetylacetonate (acac) could stabilize an unusual mono-palladium complex of DNP, where Pd coordinates unsymmetrically to two ring Ns above the macrocyclic plane, as well as coordinating with two Os of the acac ligand. Remarkably, the rigid DNP core displays enhanced complexation induced aromaticity (as per NICS and HOMA analysis), despite undergoing severe core deformation during complexation with metal ion(s) as noticed from their solid-state structures.
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Affiliation(s)
- Tridib Sarma
- School of Chemistry, University of Hyderabad, Hyderabad-500046 (India)
| | - B Sathish Kumar
- School of Chemistry, University of Hyderabad, Hyderabad-500046 (India)
| | - Pradeepta K Panda
- School of Chemistry, University of Hyderabad, Hyderabad-500046 (India). ,
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44
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Sarma T, Kumar BS, Panda PK. β,β′‐Bipyrrole Fusion‐Driven
cis
‐Bimetallic Complexation in Isomeric Porphyrin. Angew Chem Int Ed Engl 2015. [DOI: 10.1002/ange.201508409] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/02/2023]
Affiliation(s)
- Tridib Sarma
- School of Chemistry, University of Hyderabad, Hyderabad‐500046 (India)
| | - B. Sathish Kumar
- School of Chemistry, University of Hyderabad, Hyderabad‐500046 (India)
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45
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Cowie TY, Kennedy L, Żurek JM, Paterson MJ, Bebbington MWP. Crossed McMurry Coupling Reactions for Porphycenic Macrocycles: Non-Statistical Selectivity and Rationalisation. European J Org Chem 2015. [PMID: 26213484 PMCID: PMC4502767 DOI: 10.1002/ejoc.201500221] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Abstract
Crossed McMurry reactions of bifuran- or bithiophenedicarbaldehydes with bipyrroledicarbaldehydes have been studied for the first time. Only those porphycenic macrocycles derived from homocoupled McMurry products were formed. The results are explained by using both density functional theory and electron propagator computations to model the electron affinity of the dialdehyde starting materials. It was predicted that bifuran\bithiophene cross-coupling would indeed occur, and this was demonstrated by the first synthesis of a novel dioxa,dithio hetero-porphycenoid annulene. This approach will allow the prior identification of viable substrates for related crossed McMurry reactions.
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Affiliation(s)
- Thomas Y Cowie
- School of EPS - Institute of Chemical Sciences, Heriot-Watt University Riccarton, Edinburgh, EH14 4AS, UK E-mail: http://www.theophotochem.eps.hw.ac.uk/Home.html , http://www.hw.ac.uk/schools/engineering-physical-sciences/staff-directory/mb.htm
| | - Lorna Kennedy
- School of EPS - Institute of Chemical Sciences, Heriot-Watt University Riccarton, Edinburgh, EH14 4AS, UK E-mail: http://www.theophotochem.eps.hw.ac.uk/Home.html , http://www.hw.ac.uk/schools/engineering-physical-sciences/staff-directory/mb.htm
| | - Justyna M Żurek
- School of EPS - Institute of Chemical Sciences, Heriot-Watt University Riccarton, Edinburgh, EH14 4AS, UK E-mail: http://www.theophotochem.eps.hw.ac.uk/Home.html , http://www.hw.ac.uk/schools/engineering-physical-sciences/staff-directory/mb.htm
| | - Martin J Paterson
- School of EPS - Institute of Chemical Sciences, Heriot-Watt University Riccarton, Edinburgh, EH14 4AS, UK E-mail: http://www.theophotochem.eps.hw.ac.uk/Home.html , http://www.hw.ac.uk/schools/engineering-physical-sciences/staff-directory/mb.htm
| | - Magnus W P Bebbington
- School of EPS - Institute of Chemical Sciences, Heriot-Watt University Riccarton, Edinburgh, EH14 4AS, UK E-mail: http://www.theophotochem.eps.hw.ac.uk/Home.html , http://www.hw.ac.uk/schools/engineering-physical-sciences/staff-directory/mb.htm
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46
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Rana A, Lee S, Kim D, Panda PK. β-Octamethoxy-Substituted 22π and 26π Stretched Porphycenes: Synthesis, Characterization, Photodynamics, and Nonlinear Optical Studies. Chemistry 2015; 21:12129-35. [DOI: 10.1002/chem.201501299] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/02/2015] [Indexed: 11/09/2022]
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47
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Oohora K, Ogawa A, Fukuda T, Onoda A, Hasegawa JY, Hayashi T. meso-Dibenzoporphycene has a Large Bathochromic Shift and a Porphycene Framework with an UnusualcisTautomeric Form. Angew Chem Int Ed Engl 2015. [DOI: 10.1002/ange.201501496] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
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48
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meso-Dibenzoporphycene has a Large Bathochromic Shift and a Porphycene Framework with an UnusualcisTautomeric Form. Angew Chem Int Ed Engl 2015; 54:6227-30. [DOI: 10.1002/anie.201501496] [Citation(s) in RCA: 40] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/15/2015] [Indexed: 11/07/2022]
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49
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SARMA TRIDIB, PANDA PRADEEPTAK. Effect of β − β ′ $\boldsymbol {\beta }{ -}\boldsymbol {\beta }^{\boldsymbol {\prime }}$ fusion on metal ion complexation of porphycene. J CHEM SCI 2015. [DOI: 10.1007/s12039-015-0780-7] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
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50
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Chandra B, Sathish Kumar B, Mondal N, Samanta A, Panda PK. Hexaethylsubporphyrins: β-alkyl analogues in the subporphyrin family. Dalton Trans 2015; 44:19966-73. [DOI: 10.1039/c5dt03864b] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Abstract
Two new subporphyrins were synthesized for the first time from a β-substituted pyrrole i.e. 3,4-diethylpyrrole via pyridine-tri-N-(3,4-diethylpyrrolyl)borane as building blocks.
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Affiliation(s)
- Brijesh Chandra
- School of Chemistry
- University of Hyderabad
- Hyderabad-500046
- India
| | | | - Navendu Mondal
- School of Chemistry
- University of Hyderabad
- Hyderabad-500046
- India
| | - Anunay Samanta
- School of Chemistry
- University of Hyderabad
- Hyderabad-500046
- India
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