1
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Nédellec T, Boitrel B, Le Gac S. Parallel Chirality Inductions in Möbius Zn(II) Hexaphyrin Transformation Networks. J Am Chem Soc 2023. [PMID: 38037277 DOI: 10.1021/jacs.3c10835] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/02/2023]
Abstract
Networked chemical transformations are key features of biological systems, in which complex multicomponent interactions enable the emergence of sophisticated functions. Being interested in chirality induction phenomena with dynamic Möbius π-systems, we have designed a pair of Möbius [28]hexaphyrin ligands in order to investigate mixtures rather than isolated molecules. Thus, a hexaphyrin bearing a chiral amino arm was first optimized and found to bind a ZnOAc moiety, triggering an impressive quasi-quantitative chirality induction over the Möbius π-system. Second, this amino-type hexaphyrin was mixed with a second hexaphyrin bearing a chiral carboxylate arm, affording at first ill-defined coordination assemblies in the presence of zinc. In contrast, a social self-sorting behavior occurred upon the addition of two exogenous achiral effectors (AcO- and BuNH2), leading to a well-defined 1:1 mixture of two Möbius complexes featuring a sole Möbius twist configuration (parallel chirality inductions). We next successfully achieved compartmentalized switching, i.e., a single-component transformation from such a complex mixture. The BuNH2 effector was selectively protected with Boc2O, owing to a lower reactivity of the arm's NH2 function intramolecularly bound to zinc, and subsequent addition of BuNH2 restored the initial mixture, retaining parallel chirality inductions (five cycles). By changing the nature and twist configuration of only one of the two complexes, at initial state or by switching, this approach enables a "two-channel" tuning of the chiroptical properties of the ensemble. Such multiple dynamic chirality inductions, controlled by selective metal-ligand recognition and chemical reactivity, set down the basis for Möbius-type stereoselective transformation networks with new functions.
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Affiliation(s)
- Thomas Nédellec
- Univ Rennes, CNRS, ISCR (Institut des Sciences Chimiques de Rennes)-UMR 6226, 35000 Rennes, France
| | - Bernard Boitrel
- Univ Rennes, CNRS, ISCR (Institut des Sciences Chimiques de Rennes)-UMR 6226, 35000 Rennes, France
| | - Stéphane Le Gac
- Univ Rennes, CNRS, ISCR (Institut des Sciences Chimiques de Rennes)-UMR 6226, 35000 Rennes, France
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2
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Casademont-Reig I, Woller T, García V, Contreras-García J, Tiznado W, Torrent-Sucarrat M, Matito E, Alonso M. Quest for the Most Aromatic Pathway in Charged Expanded Porphyrins. Chemistry 2023; 29:e202202264. [PMID: 36194440 PMCID: PMC10099525 DOI: 10.1002/chem.202202264] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/19/2022] [Indexed: 11/05/2022]
Abstract
Despite the central role of aromaticity in the chemistry of expanded porphyrins, the evaluation of aromaticity remains difficult for these extended macrocycles. The presence of multiple conjugation pathways and different planar and nonplanar π-conjugation topologies makes the quantification of global and local aromaticity even more challenging. In neutral expanded porphyrins, the predominance of the aromatic conjugation pathway passing through the imine-type nitrogens and circumventing the amino NH groups is established. However, for charged macrocycles, the question about the main conjugation circuit remains open. Accordingly, different conjugation pathways in a set of neutral, anionic, and cationic expanded porphyrins were investigated by means of several aromaticity indices rooted in the structural, magnetic, and electronic criteria. Overall, our results reveal the predominance of the conjugation pathway that passes through all nitrogen atoms to describe the aromaticity of deprotonated expanded porphyrins, while the outer pathway through the perimeter carbon atoms becomes the most aromatic in protonated macrocycles. In nonplanar and charged macrocycles, a discrepancy between electronic and magnetic descriptors is observed. Nevertheless, our work demonstrates AVmin remains the best tool to determine the main conjugation pathway of expanded porphyrins.
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Affiliation(s)
- Irene Casademont-Reig
- Department of General Chemistry (ALGC), Vrije Universiteit Brussel (VUB), Pleinlaan 2, 1050, Brussels, Belgium
| | - Tatiana Woller
- Department of General Chemistry (ALGC), Vrije Universiteit Brussel (VUB), Pleinlaan 2, 1050, Brussels, Belgium.,Laboratoire de Chimie Théorique (LCT), Sorbonne Université, place Jussieu 4, 75052, Paris, France
| | - Victor García
- Computational and Theoretical Chemistry Group, Departamento de Ciencias Químicas, Facultad de Ciencias Exactas, Universidad Andrés Bello, República 498, Santiago, Chile.,Departamento Académico de Fisicoquímica, Facultad de Química e Ingeniería Química, Universidad Nacional Mayor de San Marcos, Lima, Peru
| | - Julia Contreras-García
- Laboratoire de Chimie Théorique (LCT), Sorbonne Université, place Jussieu 4, 75052, Paris, France
| | - William Tiznado
- Computational and Theoretical Chemistry Group, Departamento de Ciencias Químicas, Facultad de Ciencias Exactas, Universidad Andrés Bello, República 498, Santiago, Chile
| | - Miquel Torrent-Sucarrat
- Donostia International Physics Center (DIPC), 20018, Donostia, Euskadi, Spain.,Ikerbasque, Basque Foundation for Science, 48009, Bilbao, Euskadi, Spain.,Department of Organic Chemistry I, Universidad del País Vasco/Euskal Herriko Unibertsitatea, UPV/EHU), 20018 Donostia, Euskadi, Spain
| | - Eduard Matito
- Donostia International Physics Center (DIPC), 20018, Donostia, Euskadi, Spain.,Ikerbasque, Basque Foundation for Science, 48009, Bilbao, Euskadi, Spain
| | - Mercedes Alonso
- Department of General Chemistry (ALGC), Vrije Universiteit Brussel (VUB), Pleinlaan 2, 1050, Brussels, Belgium
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3
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Protonation‐Induced Antiaromaticity in Octaaza[8]circulenes: Cyclooctatetraene Scaffolds Constrained with Four Amidine Moieties. Chem Asian J 2022; 17:e202200244. [DOI: 10.1002/asia.202200244] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/10/2022] [Revised: 04/04/2022] [Indexed: 11/07/2022]
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4
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Ruffin H, Fihey A, Boitrel B, Le Gac S. Möbius Zn
II
‐Hexaphyrins Bearing a Chiral Coordinating Arm: A Chiroptical Switch Featuring P/M Twist Inversion Controlled by Achiral Effectors. Angew Chem Int Ed Engl 2022. [DOI: 10.1002/ange.202113844] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Affiliation(s)
- Hervé Ruffin
- Univ Rennes CNRS, ISCR Institut des Sciences Chimiques de Rennes)-UMR 6226 35000 Rennes France
| | - Arnaud Fihey
- Univ Rennes CNRS, ISCR Institut des Sciences Chimiques de Rennes)-UMR 6226 35000 Rennes France
| | - Bernard Boitrel
- Univ Rennes CNRS, ISCR Institut des Sciences Chimiques de Rennes)-UMR 6226 35000 Rennes France
| | - Stéphane Le Gac
- Univ Rennes CNRS, ISCR Institut des Sciences Chimiques de Rennes)-UMR 6226 35000 Rennes France
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5
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Desmedt E, Woller T, Teunissen JL, De Vleeschouwer F, Alonso M. Fine-Tuning of Nonlinear Optical Contrasts of Hexaphyrin-Based Molecular Switches Using Inverse Design. Front Chem 2021; 9:786036. [PMID: 34926405 PMCID: PMC8677951 DOI: 10.3389/fchem.2021.786036] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/29/2021] [Accepted: 10/28/2021] [Indexed: 11/13/2022] Open
Abstract
In the search for new nonlinear optical (NLO) switching devices, expanded porphyrins have emerged as ideal candidates thanks to their tunable chemical and photophysical properties. Introducing meso-substituents to these macrocycles is a successful strategy to enhance the NLO contrasts. Despite its potential, the influence of meso-substitution on their structural and geometrical properties has been scarcely investigated. In this work, we pursue to grasp the underlying pivotal concepts for the fine-tuning of the NLO contrasts of hexaphyrin-based molecular switches, with a particular focus on the first hyperpolarizability related to the hyper-Rayleigh scattering (βHRS). Building further on these concepts, we also aim to develop a rational design protocol. Starting from the (un)substituted hexaphyrins with various π-conjugation topologies and redox states, structure-property relationships are established linking aromaticity, photophysical properties and βHRS responses. Ultimately, inverse molecular design using the best-first search algorithm is applied on the most favorable switches with the aim to further explore the combinatorial chemical compound space of meso-substituted hexaphyrins in search of high-contrast NLO switches. Two definitions of the figure-of-merit of the switch performance were used as target objectives in the optimization problem. Several meso-substitution patterns and their underlying characteristics are identified, uncovering molecular symmetry and the electronic nature of the substituents as the key players for fine-tuning the βHRS values and NLO contrasts of hexaphyrin-based switches.
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Affiliation(s)
- Eline Desmedt
- General Chemistry - Eenheid Algemene Chemie (ALGC), Department of Chemistry, Vrije Universiteit Brussel, Brussels, Belgium
| | - Tatiana Woller
- General Chemistry - Eenheid Algemene Chemie (ALGC), Department of Chemistry, Vrije Universiteit Brussel, Brussels, Belgium
| | - Jos L Teunissen
- General Chemistry - Eenheid Algemene Chemie (ALGC), Department of Chemistry, Vrije Universiteit Brussel, Brussels, Belgium
| | - Freija De Vleeschouwer
- General Chemistry - Eenheid Algemene Chemie (ALGC), Department of Chemistry, Vrije Universiteit Brussel, Brussels, Belgium
| | - Mercedes Alonso
- General Chemistry - Eenheid Algemene Chemie (ALGC), Department of Chemistry, Vrije Universiteit Brussel, Brussels, Belgium
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6
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Kim J, Oh J, Osuka A, Kim D. Porphyrinoids, a unique platform for exploring excited-state aromaticity. Chem Soc Rev 2021; 51:268-292. [PMID: 34879124 DOI: 10.1039/d1cs00742d] [Citation(s) in RCA: 18] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/13/2023]
Abstract
Recently, Baird (anti)aromaticity has been referred to as a description of excited-state (anti)aromaticity. With the term of Baird's rule, recent studies have intensively verified that the Hückel aromatic [4n + 2]π (or antiaromatic [4n]π) molecules in the ground state are reversed to give Baird aromatic [4n]π (or Baird antiaromatic [4n + 2]π) molecules in the excited states. Since the Hückel (anti)aromaticity has great influence on the molecular properties and reaction mechanisms, the Baird (anti)aromaticity has been expected to act as a dominant factor in governing excited-state properties and processes, which has attracted intensive scientific investigations for the verification of the concept of reversed aromaticity in the excited states. In this scientific endeavor, porphyrinoids have recently played leading roles in the demonstration of the aromaticity reversal in the excited states and its conceptual development. The distinct structural and electronic nature of porphyhrinoids depending on their (anti)aromaticity allow the direct observation of excited-state aromaticity reversal, Baird's rule. The explicit experimental demonstration with porphyrinoids has contributed greatly to its conceptual development and application in novel functional organic materials. Based on the significant role of porphyrinoids in the field of excited-state aromaticity, this review provides an overview of the experimental verification of the reversal concept of excited-state aromaticity by porphyrinoids and the recent progress on its conceptual application in novel functional molecules.
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Affiliation(s)
- Jinseok Kim
- Department of Chemistry, Yonsei University, Seoul 03722, Korea.
| | - Juwon Oh
- Department of Chemistry, Soonchunhyang University, Asan-si 31538, Korea.
| | - Atsuhiro Osuka
- Department of Chemistry, Graduate School of Science, Kyoto University, Kyoto 606-8502, Japan.
| | - Dongho Kim
- Department of Chemistry, Yonsei University, Seoul 03722, Korea.
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7
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Ruffin H, Fihey A, Boitrel B, Le Gac S. Möbius Zn II -Hexaphyrins Bearing a Chiral Coordinating Arm: A Chiroptical Switch Featuring P/M Twist Inversion Controlled by Achiral Effectors. Angew Chem Int Ed Engl 2021; 61:e202113844. [PMID: 34813138 DOI: 10.1002/anie.202113844] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/12/2021] [Indexed: 11/07/2022]
Abstract
By their conformational flexibility, Möbius aromatic hexaphyrins provide a dynamic chirality attractive to develop stimuli responsive systems such as chiroptical switches. A regular [28]hexaphyrin has been equipped with a chiral coordinating arm to achieve transfer of chirality from a fix stereogenic element to the dynamic Möbius one. The arm allows straightforward formation of labile monometallic ZnII complexes with an exogenous ligand, either a carboxylato or an amino with opposite inwards/outwards orientations relative to the Möbius ring. As a corollary, the chiral coordinating arm is constrained over the ring or laterally, inducing opposite P and M Möbius configurations with unprecedented high stereoselectivity (diast. excess greater than 95 %). By tuning the transfer of chirality, these achiral effectors generate electronic circular dichroism spectra with bisignate Cotton effect of opposite signs. Switching between distinct chiroptical states was ultimately achieved in mild conditions owing to ligand exchange, with high robustness (10 cycles).
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Affiliation(s)
- Hervé Ruffin
- Univ Rennes, CNRS, ISCR, Institut des Sciences Chimiques de Rennes)-UMR 6226, 35000, Rennes, France
| | - Arnaud Fihey
- Univ Rennes, CNRS, ISCR, Institut des Sciences Chimiques de Rennes)-UMR 6226, 35000, Rennes, France
| | - Bernard Boitrel
- Univ Rennes, CNRS, ISCR, Institut des Sciences Chimiques de Rennes)-UMR 6226, 35000, Rennes, France
| | - Stéphane Le Gac
- Univ Rennes, CNRS, ISCR, Institut des Sciences Chimiques de Rennes)-UMR 6226, 35000, Rennes, France
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8
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Boitrel B, Le Gac S. Interconversion between Möbius chiroptical states sustained by hexaphyrin dynamic coordination. Chem Commun (Camb) 2021; 57:3559-3562. [PMID: 33704315 DOI: 10.1039/d1cc00741f] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/03/2023]
Abstract
Harnessing the chiroptical properties of molecular Möbius rings is motivated by fundamental aspects while challenged by synthetic difficulties. Focusing on Möbius aromatic Zn(ii) hexaphyrin complexes, interconversion between two chiral states was achieved through binding and release of an amino ligand (forward/backward stimuli), leading to different chiroptical switching phenomena (amplification, on-off, inversion). The amine either supplies the chirality or behaves as an achiral effector regulating the Zn(ii)-binding of a second (chiral) carboxylato ligand. These results highlight the Möbius [28]hexaphyrin scaffold as an attractive chiral switchable unit.
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Affiliation(s)
- Bernard Boitrel
- Univ Rennes, CNRS, ISCR (Institut des Sciences Chimiques de Rennes)-UMR 6226, Rennes F-35000, France.
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9
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Bettens T, Hoffmann M, Alonso M, Geerlings P, Dreuw A, De Proft F. Mechanochemically Triggered Topology Changes in Expanded Porphyrins. Chemistry 2021; 27:3397-3406. [PMID: 33170967 PMCID: PMC7898923 DOI: 10.1002/chem.202003869] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/21/2020] [Indexed: 12/16/2022]
Abstract
A hitherto unexplored class of molecules for molecular force probe applications are expanded porphyrins. This work proves that mechanical force is an effective stimulus to trigger the interconversion between Hückel and Möbius topologies in [28]hexaphyrin, making these expanded porphyrins suitable to act as conformational mechanophores operating at mild (sub-1 nN) force conditions. A straightforward approach based on distance matrices is proposed for the selection of pulling scenarios that promote either the planar Hückel topology or the three lowest lying Möbius topologies. This approach is supported by quantum mechanochemical calculations. Force distribution analyses reveal that [28]hexaphyrin selectively allocates the external mechanical energy to molecular regions that trigger Hückel-Möbius interconversions, explaining why certain pulling scenarios favor the Hückel two-sided topology and others favor Möbius single-sided topologies. The meso-substitution pattern on [28]hexaphyrin determines whether the energy difference between the different topologies can be overcome by mechanical activation.
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Affiliation(s)
- Tom Bettens
- Eenheid Algemene Chemie (ALGC)Vrije Universiteit Brussel (VUB)Pleinlaan 21050BrusselsBelgium
| | - Marvin Hoffmann
- Interdisciplinary Center for Scientific ComputingRuprecht-Karls UniversityIm Neuenheimer Feld 205A69120HeidelbergGermany
| | - Mercedes Alonso
- Eenheid Algemene Chemie (ALGC)Vrije Universiteit Brussel (VUB)Pleinlaan 21050BrusselsBelgium
| | - Paul Geerlings
- Eenheid Algemene Chemie (ALGC)Vrije Universiteit Brussel (VUB)Pleinlaan 21050BrusselsBelgium
| | - Andreas Dreuw
- Interdisciplinary Center for Scientific ComputingRuprecht-Karls UniversityIm Neuenheimer Feld 205A69120HeidelbergGermany
| | - Frank De Proft
- Eenheid Algemene Chemie (ALGC)Vrije Universiteit Brussel (VUB)Pleinlaan 21050BrusselsBelgium
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10
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Jirásek M, Rickhaus M, Tejerina L, Anderson HL. Experimental and Theoretical Evidence for Aromatic Stabilization Energy in Large Macrocycles. J Am Chem Soc 2021; 143:2403-2412. [PMID: 33497211 DOI: 10.1021/jacs.0c12845] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
Enhanced thermodynamic stability is a fundamental characteristic of aromatic molecules, yet most previous studies of aromatic stabilization energy (ASE) have been limited to small rings with up to 18 π-electrons. Here we demonstrate that ASE can be detected experimentally in π-conjugated porphyrin nanorings with Hückel circuits of 76-108 π-electrons. This conclusion is supported by analyzing redox potentials to calculate the energy change for isodesmic reactions that convert an aromatic ring to an antiaromatic ring or vice versa. It is also supported by analyzing the energy barriers to conformational equilibria that disrupt aromaticity in the transition state. Both types of experiment indicate that cationic porphyrin nanorings display ASEs of 1-5 kJ mol-1. Density functional theory calculations reproduce the results for both types of experiment and predict ASEs in the range of 1-16 kJ mol-1. The experimental ASEs in porphyrin nanorings are compared with an experimental ASE of [18]annulene of ∼11 kJ mol-1, deduced from analysis of the energy barriers to conformational equilibria in [16], [18], and [20]annulene. Calculated energies of isodesmic reactions give an ASE of ∼37 kJ mol-1 in [18]annulene. This work contributes to a fundamental understanding of aromaticity in large macrocycles.
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Affiliation(s)
- Michael Jirásek
- Department of Chemistry, Chemistry Research Laboratory, University of Oxford, Oxford OX1 3TA, U.K
| | - Michel Rickhaus
- Department of Chemistry, Chemistry Research Laboratory, University of Oxford, Oxford OX1 3TA, U.K
| | - Lara Tejerina
- Department of Chemistry, Chemistry Research Laboratory, University of Oxford, Oxford OX1 3TA, U.K
| | - Harry L Anderson
- Department of Chemistry, Chemistry Research Laboratory, University of Oxford, Oxford OX1 3TA, U.K
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11
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Kim J, Kim G, Kim D. The relationship between photophysical properties and aromaticity/antiaromaticity of various expanded porphyrins — a Hans Fischer Career Award paper. J PORPHYR PHTHALOCYA 2020. [DOI: 10.1142/s1088424620300074] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Abstract
Understanding aromaticity is crucial for predicting the molecular properties and reactivity of cyclic [Formula: see text]-conjugated systems. In this review, representative reports on the evaluation of aromaticity via spectroscopic methods in various expanded porphyrin systems are presented. The relationship between the photophysical properties and distinct aromatic characteristics in Hückel aromatic compounds was revealed through notable spectroscopic features exhibited by aromatic expanded porphyrins. Furthermore, modulating the molecular conformation and chemical environment enabled us to distinguish unique Möbius aromatic molecules successfully. These findings provide insight into the elemental molecular properties and aromaticity in expanded porphyrin systems and their potential real-world applications.
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Affiliation(s)
- Jinseok Kim
- Spectroscopy Laboratory for Functional π-electronic Systems and Department of Chemistry, Yonsei University, Seoul 03722, Korea
| | - Gakhyun Kim
- Spectroscopy Laboratory for Functional π-electronic Systems and Department of Chemistry, Yonsei University, Seoul 03722, Korea
| | - Dongho Kim
- Spectroscopy Laboratory for Functional π-electronic Systems and Department of Chemistry, Yonsei University, Seoul 03722, Korea
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12
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Luo Z, Yang X, Cai K, Fu X, Zhang D, Ma Y, Zhao D. Toward Möbius and Tubular Cyclopolyarene Nanorings via Arylbutadiyne Macrocycles. Angew Chem Int Ed Engl 2020. [DOI: 10.1002/ange.202003538] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Affiliation(s)
- Zhouyang Luo
- Beijing National Laboratory for Molecular Sciences Centre for Soft Matter Science and Engineering Key Lab of Polymer Chemistry & Physics of the Ministry of Education College of Chemistry Peking University Beijing 100871 China
| | - Xiao Yang
- Beijing National Laboratory for Molecular Sciences Centre for Soft Matter Science and Engineering Key Lab of Polymer Chemistry & Physics of the Ministry of Education College of Chemistry Peking University Beijing 100871 China
| | - Kang Cai
- Beijing National Laboratory for Molecular Sciences Centre for Soft Matter Science and Engineering Key Lab of Polymer Chemistry & Physics of the Ministry of Education College of Chemistry Peking University Beijing 100871 China
| | - Xiangyu Fu
- Beijing National Laboratory for Molecular Sciences Centre for Soft Matter Science and Engineering Key Lab of Polymer Chemistry & Physics of the Ministry of Education College of Chemistry Peking University Beijing 100871 China
| | - Di Zhang
- Beijing National Laboratory for Molecular Sciences Centre for Soft Matter Science and Engineering Key Lab of Polymer Chemistry & Physics of the Ministry of Education College of Chemistry Peking University Beijing 100871 China
| | - Yuguo Ma
- Beijing National Laboratory for Molecular Sciences Centre for Soft Matter Science and Engineering Key Lab of Polymer Chemistry & Physics of the Ministry of Education College of Chemistry Peking University Beijing 100871 China
| | - Dahui Zhao
- Beijing National Laboratory for Molecular Sciences Centre for Soft Matter Science and Engineering Key Lab of Polymer Chemistry & Physics of the Ministry of Education College of Chemistry Peking University Beijing 100871 China
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13
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Boitrel B, Le Gac S. Match-mismatch effects in two-fold transfer of chirality within a Möbius metallo-receptor. Chem Commun (Camb) 2020; 56:9166-9169. [PMID: 32657288 DOI: 10.1039/d0cc03877f] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Abstract
Two-fold transfer of chirality has been investigated in a Möbius Zn(ii) hexaphyrin metallo-receptor able to bind simultaneously two different chiral molecules. Match/mismatch effects influence the dynamic stereoselective twisting of the π-system, and allow tuning of the induced chiroptical activity. Such allosteric control is attractive for building chirality sensing systems.
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Affiliation(s)
- Bernard Boitrel
- Univ. Rennes, CNRS, ISCR (Institut des Sciences Chimiques de Rennes) - UMR 6226, Rennes F-35000, France.
| | - Stéphane Le Gac
- Univ. Rennes, CNRS, ISCR (Institut des Sciences Chimiques de Rennes) - UMR 6226, Rennes F-35000, France.
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14
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Luo Z, Yang X, Cai K, Fu X, Zhang D, Ma Y, Zhao D. Toward Möbius and Tubular Cyclopolyarene Nanorings via Arylbutadiyne Macrocycles. Angew Chem Int Ed Engl 2020; 59:14854-14860. [DOI: 10.1002/anie.202003538] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/09/2020] [Revised: 05/06/2020] [Indexed: 11/11/2022]
Affiliation(s)
- Zhouyang Luo
- Beijing National Laboratory for Molecular Sciences Centre for Soft Matter Science and Engineering Key Lab of Polymer Chemistry & Physics of the Ministry of Education College of Chemistry Peking University Beijing 100871 China
| | - Xiao Yang
- Beijing National Laboratory for Molecular Sciences Centre for Soft Matter Science and Engineering Key Lab of Polymer Chemistry & Physics of the Ministry of Education College of Chemistry Peking University Beijing 100871 China
| | - Kang Cai
- Beijing National Laboratory for Molecular Sciences Centre for Soft Matter Science and Engineering Key Lab of Polymer Chemistry & Physics of the Ministry of Education College of Chemistry Peking University Beijing 100871 China
| | - Xiangyu Fu
- Beijing National Laboratory for Molecular Sciences Centre for Soft Matter Science and Engineering Key Lab of Polymer Chemistry & Physics of the Ministry of Education College of Chemistry Peking University Beijing 100871 China
| | - Di Zhang
- Beijing National Laboratory for Molecular Sciences Centre for Soft Matter Science and Engineering Key Lab of Polymer Chemistry & Physics of the Ministry of Education College of Chemistry Peking University Beijing 100871 China
| | - Yuguo Ma
- Beijing National Laboratory for Molecular Sciences Centre for Soft Matter Science and Engineering Key Lab of Polymer Chemistry & Physics of the Ministry of Education College of Chemistry Peking University Beijing 100871 China
| | - Dahui Zhao
- Beijing National Laboratory for Molecular Sciences Centre for Soft Matter Science and Engineering Key Lab of Polymer Chemistry & Physics of the Ministry of Education College of Chemistry Peking University Beijing 100871 China
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15
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Woller T, Banerjee A, Sylvetsky N, Santra G, Deraet X, De Proft F, Martin JML, Alonso M. Performance of Electronic Structure Methods for the Description of Hückel-Möbius Interconversions in Extended π-Systems. J Phys Chem A 2020; 124:2380-2397. [PMID: 32093467 PMCID: PMC7307915 DOI: 10.1021/acs.jpca.9b10880] [Citation(s) in RCA: 18] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/20/2019] [Revised: 02/21/2020] [Indexed: 12/25/2022]
Abstract
Expanded porphyrins provide a versatile route to molecular switching devices due to their ability to shift between several π-conjugation topologies encoding distinct properties. DFT remains the workhorse for modeling such extended macrocycles, when taking into account their size and huge conformational flexibility. Nevertheless, the stability of Hückel and Möbius conformers depends on a complex interplay of different factors, such as hydrogen bonding, π···π stacking, steric effects, ring strain, and electron delocalization. As a consequence, the selection of an exchange-correlation functional for describing the energy profile of topological switches is very difficult. For these reasons, we have examined the performance of a variety of wave function methods and density functionals for describing the thermochemistry and kinetics of topology interconversions across a wide range of macrocycles. Especially for hexa- and heptaphyrins, the Möbius structures have a stronger degree of static correlation than the Hückel and twisted-Hückel structures, and as a result the relative energies of singly twisted structures are a challenging test for electronic structure methods. Comparison of limited orbital space full CI calculations with CCSD(T) calculations within the same active spaces shows that post-CCSD(T) correlation contributions to relative energies are very minor. At the same time, relative energies are weakly sensitive to further basis set expansion, as proven by the minor energy differences between the extrapolated MP2/CBS energies estimated from cc-pV{T,Q}Z, diffuse-augmented heavy-aug-cc-pV{T,Q}Z and explicitly correlated MP2-F12/cc-pVDZ-F12 calculations. Hence, our CCSD(T) reference values are reasonably well-converged in both 1-particle and n-particle spaces. While conventional MP2 and MP3 yield very poor results, SCS-MP2 and particularly SOS-MP2 and SCS-MP3 agree to better than 1 kcal mol-1 with the CCSD(T) relative energies. Regarding DFT methods, the range-separated double hybrids, such as ωB97M(2) and B2GP-PLYP, outperform other functionals with RMSDs of 0.6 and 0.8 kcal mol-1, respectively. While the original DSD-PBEP86 double hybrid performs fairly poorly for these extended π-systems, the errors drop down to 1.9 kcal mol-1 for the revised revDOD-PBEP86-NL, which eliminates the same-spin correlation energy. Minnesota meta-GGA functionals with high fractions of exact exchange (M06-2X and M08-HX) also perform reasonably well, outperforming more robust and significantly less empirically parametrized functionals like SCAN0-D3.
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Affiliation(s)
- Tatiana Woller
- Department
of General Chemistry (ALGC), Faculty of Science and Bio-engineering
Sciences, Vrije Universiteit Brussel (VUB), Pleinlaan 2, 1050 Brussels, Belgium
- Laboratoire
de Chimie Théorique (LCT), Sorbonne
Université, CNRS, F-75005 Paris, France
| | - Ambar Banerjee
- Department
of Organic Chemistry, Weizmann Institute
of Science, 76100 Reḥovot, Israel
| | - Nitai Sylvetsky
- Department
of Organic Chemistry, Weizmann Institute
of Science, 76100 Reḥovot, Israel
| | - Golokesh Santra
- Department
of Organic Chemistry, Weizmann Institute
of Science, 76100 Reḥovot, Israel
| | - Xavier Deraet
- Department
of General Chemistry (ALGC), Faculty of Science and Bio-engineering
Sciences, Vrije Universiteit Brussel (VUB), Pleinlaan 2, 1050 Brussels, Belgium
| | - Frank De Proft
- Department
of General Chemistry (ALGC), Faculty of Science and Bio-engineering
Sciences, Vrije Universiteit Brussel (VUB), Pleinlaan 2, 1050 Brussels, Belgium
| | - Jan M. L. Martin
- Department
of Organic Chemistry, Weizmann Institute
of Science, 76100 Reḥovot, Israel
| | - Mercedes Alonso
- Department
of General Chemistry (ALGC), Faculty of Science and Bio-engineering
Sciences, Vrije Universiteit Brussel (VUB), Pleinlaan 2, 1050 Brussels, Belgium
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16
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Shimomura K, Kai H, Nakamura Y, Hong Y, Mori S, Miki K, Ohe K, Notsuka Y, Yamaoka Y, Ishida M, Kim D, Furuta H. Bis-Metal Complexes of Doubly N-Confused Dioxohexaphyrins as Potential Near-Infrared-II Photoacoustic Dyes. J Am Chem Soc 2020; 142:4429-4437. [DOI: 10.1021/jacs.9b13475] [Citation(s) in RCA: 30] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Keito Shimomura
- Department of Chemistry and Biochemistry, Graduate School of Engineering, and Center for Molecular Systems, Kyushu University, Fukuoka 819-0395, Japan
| | - Hiroto Kai
- Department of Chemistry and Biochemistry, Graduate School of Engineering, and Center for Molecular Systems, Kyushu University, Fukuoka 819-0395, Japan
| | - Yuma Nakamura
- Department of Chemistry and Biochemistry, Graduate School of Engineering, and Center for Molecular Systems, Kyushu University, Fukuoka 819-0395, Japan
| | - Yongseok Hong
- Department of Chemistry, Yonsei University, Seoul 03722, Korea
| | - Shigeki Mori
- Advanced Research Support Center, Ehime University, Matsuyama 790-8577, Japan
| | - Koji Miki
- Department of Energy and Hydrocarbon Chemistry, Graduate School of Engineering, Kyoto University, Kyoto 615-8510, Japan
| | - Kouichi Ohe
- Department of Energy and Hydrocarbon Chemistry, Graduate School of Engineering, Kyoto University, Kyoto 615-8510, Japan
| | - Yusuke Notsuka
- Department of Advanced Technology Fusion, Graduate School of Science and Engineering, Saga University, Saga 840-8502, Japan
| | - Yoshihisa Yamaoka
- Department of Advanced Technology Fusion, Graduate School of Science and Engineering, Saga University, Saga 840-8502, Japan
| | - Masatoshi Ishida
- Department of Chemistry and Biochemistry, Graduate School of Engineering, and Center for Molecular Systems, Kyushu University, Fukuoka 819-0395, Japan
| | - Dongho Kim
- Department of Chemistry, Yonsei University, Seoul 03722, Korea
| | - Hiroyuki Furuta
- Department of Chemistry and Biochemistry, Graduate School of Engineering, and Center for Molecular Systems, Kyushu University, Fukuoka 819-0395, Japan
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17
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Benchouaia R, Cissé N, Boitrel B, Sollogoub M, Le Gac S, Ménand M. Orchestrating Communications in a Three-Type Chirality Totem: Remote Control of the Chiroptical Response of a Möbius Aromatic System. J Am Chem Soc 2019; 141:11583-11593. [DOI: 10.1021/jacs.9b04074] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
Affiliation(s)
- Rajaa Benchouaia
- Univ Rennes, CNRS, ISCR (Institut des Sciences Chimiques de Rennes)−UMR 6226, Rennes F-35000, France
| | - Nicolas Cissé
- Univ Rennes, CNRS, ISCR (Institut des Sciences Chimiques de Rennes)−UMR 6226, Rennes F-35000, France
| | - Bernard Boitrel
- Univ Rennes, CNRS, ISCR (Institut des Sciences Chimiques de Rennes)−UMR 6226, Rennes F-35000, France
| | - Matthieu Sollogoub
- Sorbonne Université, CNRS, Institut Parisien de Chimie Moléculaire, IPCM (UMR 8232), F-75005 Paris, France
| | - Stéphane Le Gac
- Univ Rennes, CNRS, ISCR (Institut des Sciences Chimiques de Rennes)−UMR 6226, Rennes F-35000, France
| | - Mickaël Ménand
- Sorbonne Université, CNRS, Institut Parisien de Chimie Moléculaire, IPCM (UMR 8232), F-75005 Paris, France
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18
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Ke XS, Kim T, He Q, Lynch VM, Kim D, Sessler JL. Three-Dimensional Fully Conjugated Carbaporphyrin Cage. J Am Chem Soc 2018; 140:16455-16459. [PMID: 30452259 DOI: 10.1021/jacs.8b11158] [Citation(s) in RCA: 50] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
Abstract
A fully conjugated three-dimensional (3D) expanded carbaporphyrin (2) was prepared in a one-pot procedure that involves a [2+4] condensation reaction between a dibenzo[ g, p]chrysene-bearing tetrapyrrole precursor (1) and pentafluorobenzaldehyde, followed by oxidation. Single crystal X-ray diffraction analysis revealed that 2 possesses a cage-like structure consisting of four dipyrromethenes and two bridging dibenzo[ g, p]chrysene units. As prepared, 2 is nonaromatic as inferred from UV-vis-NIR and 1H NMR spectroscopy and a near-zero (-1.75) nucleus-independent chemical shift (NICS) value. In contrast, after protonation with trifluoroacetic acid (TFA), the cage gains global aromatic character as inferred from the large negative NICS value (-11.63) and diatropic ring current observed in the anisotropy of the induced current density (ACID) plot, as well as the ca. 8-fold increase in the excited state lifetime. In addition, the size of the cavity increases to ca. 143 Å3 upon protonation as deduced from a single crystal X-ray diffraction analysis. To our knowledge, this is the largest carbaporphyrin prepared to date and the first with a fully conjugated 3D cage structure whose size and electronic features may be tuned through protonation.
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Affiliation(s)
- Xian-Sheng Ke
- Department of Chemistry , The University of Texas at Austin , Austin , Texas 78712-1224 , United States
| | - Taeyeon Kim
- Department of Chemistry , Yonsei University , Seoul 03722 , Korea
| | - Qing He
- Department of Chemistry , The University of Texas at Austin , Austin , Texas 78712-1224 , United States
| | - Vincent M Lynch
- Department of Chemistry , The University of Texas at Austin , Austin , Texas 78712-1224 , United States
| | - Dongho Kim
- Department of Chemistry , Yonsei University , Seoul 03722 , Korea
| | - Jonathan L Sessler
- Department of Chemistry , The University of Texas at Austin , Austin , Texas 78712-1224 , United States
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19
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Ema F, Tanabe M, Saito S, Yoneda T, Sugisaki K, Tachikawa T, Akimoto S, Yamauchi S, Sato K, Osuka A, Takui T, Kobori Y. Charge-Transfer Character Drives Möbius Antiaromaticity in the Excited Triplet State of Twisted [28]Hexaphyrin. J Phys Chem Lett 2018; 9:2685-2690. [PMID: 29739190 DOI: 10.1021/acs.jpclett.8b00740] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/08/2023]
Abstract
Möbius aromatic molecules have attracted great attention as new functional materials because of their π-orbital cyclic conjugations lying along the twisted Möbius topology. To elucidate the electronic character of the lowest excited triplet (T1) state of a Möbius aromatic [28]hexaphyrin, we employed a time-resolved electron paramagnetic resonance (TREPR) method with applied magnetophotoselection measurements at 77 K. Analyses of the EPR parameters have revealed that the T1 state possesses intramolecular charge-transfer (CT) character together with local excitation character residing at one side in the Möbius strip ring. We have also demonstrated that the CT character between orthogonal unpaired orbitals triggers quick triplet deactivation by spin-orbit coupling. This deactivation can be an important barometer to represent the "antiaromaticity" because of a connection between the orthogonal CT character and instability by a weakened spin-spin exchange coupling in the T1 state.
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Affiliation(s)
- Fumitoshi Ema
- Department of Chemistry , Graduate School of Science, Kobe University , 1-1 Rokkodai-cho , Nada-ku, Kobe 657-8501 , Japan
| | - Mana Tanabe
- Institute of Multidisciplinary Research for Advanced Materials , Tohoku University , Katahira 2-1-1 , Aoba-ku, Sendai 980-8577 , Japan
| | - Shohei Saito
- Department of Chemistry , Graduate School of Science, Kyoto University , Sakyo-ku, Kyoto 606-8502 , Japan
| | - Tomoki Yoneda
- Department of Chemistry , Graduate School of Science, Kyoto University , Sakyo-ku, Kyoto 606-8502 , Japan
| | - Kenji Sugisaki
- Department of Chemistry and Molecular Materials Science , Graduate School of Science, Osaka City University , 3-3-138 Sugimoto , Sumiyoshi-ku, Osaka 558-8585 , Japan
| | - Takashi Tachikawa
- Department of Chemistry , Graduate School of Science, Kobe University , 1-1 Rokkodai-cho , Nada-ku, Kobe 657-8501 , Japan
- Molecular Photoscience Research Center , Kobe University , 1-1 Rokkodai-cho , Nada-ku, Kobe 657-8501 , Japan
| | - Seiji Akimoto
- Department of Chemistry , Graduate School of Science, Kobe University , 1-1 Rokkodai-cho , Nada-ku, Kobe 657-8501 , Japan
| | - Seigo Yamauchi
- Institute of Multidisciplinary Research for Advanced Materials , Tohoku University , Katahira 2-1-1 , Aoba-ku, Sendai 980-8577 , Japan
| | - Kazunobu Sato
- Department of Chemistry and Molecular Materials Science , Graduate School of Science, Osaka City University , 3-3-138 Sugimoto , Sumiyoshi-ku, Osaka 558-8585 , Japan
| | - Atsuhiro Osuka
- Department of Chemistry , Graduate School of Science, Kyoto University , Sakyo-ku, Kyoto 606-8502 , Japan
| | - Takeji Takui
- Department of Chemistry and Molecular Materials Science , Graduate School of Science, Osaka City University , 3-3-138 Sugimoto , Sumiyoshi-ku, Osaka 558-8585 , Japan
| | - Yasuhiro Kobori
- Department of Chemistry , Graduate School of Science, Kobe University , 1-1 Rokkodai-cho , Nada-ku, Kobe 657-8501 , Japan
- Molecular Photoscience Research Center , Kobe University , 1-1 Rokkodai-cho , Nada-ku, Kobe 657-8501 , Japan
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20
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Ménand M, Sollogoub M, Boitrel B, Le Gac S. Cyclodextrin-Sandwiched Hexaphyrin Hybrids: Side-to-Side Cavity Coupling Switched by a Temperature- and Redox-Responsive Central Device. Chemistry 2018; 24:5804-5812. [DOI: 10.1002/chem.201705958] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/15/2017] [Indexed: 12/25/2022]
Affiliation(s)
- Mickaël Ménand
- Institut Parisien de Chimie Moléculaire (IPCM), UMR 8232, UPMC Univ Paris 06, CNRS; Sorbonne Université; 4 place Jussieu 75005 Paris France
| | - Matthieu Sollogoub
- Institut Parisien de Chimie Moléculaire (IPCM), UMR 8232, UPMC Univ Paris 06, CNRS; Sorbonne Université; 4 place Jussieu 75005 Paris France
| | - Bernard Boitrel
- Institut des Sciences Chimiques de Rennes, UMR CNRS 6226; Université de Rennes 1; 263 av. du General Leclerc 35042 Rennes cedex France
| | - Stéphane Le Gac
- Institut des Sciences Chimiques de Rennes, UMR CNRS 6226; Université de Rennes 1; 263 av. du General Leclerc 35042 Rennes cedex France
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21
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Stuyver T, Perrin M, Geerlings P, De Proft F, Alonso M. Conductance Switching in Expanded Porphyrins through Aromaticity and Topology Changes. J Am Chem Soc 2018; 140:1313-1326. [DOI: 10.1021/jacs.7b09464] [Citation(s) in RCA: 48] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Thijs Stuyver
- Department
of General Chemistry (ALGC), Vrije Universiteit Brussel (VUB), Pleinlaan 2, 1050 Brussels, Belgium
| | - Mickael Perrin
- Kavli
Institute of Nanoscience, Delft University of Technology, Lorentzweg
1, 2628 CJ Delft, The Netherlands
- Swiss Federal Laboratories for Materials Science and Technology, Überlandstrasse 129, 8600 Dübendorf, Switzerland
| | - Paul Geerlings
- Department
of General Chemistry (ALGC), Vrije Universiteit Brussel (VUB), Pleinlaan 2, 1050 Brussels, Belgium
| | - Frank De Proft
- Department
of General Chemistry (ALGC), Vrije Universiteit Brussel (VUB), Pleinlaan 2, 1050 Brussels, Belgium
| | - Mercedes Alonso
- Department
of General Chemistry (ALGC), Vrije Universiteit Brussel (VUB), Pleinlaan 2, 1050 Brussels, Belgium
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22
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Anju KS, Das M, Adinarayana B, Suresh CH, Srinivasan A. meso-Aryl [20]π Homoporphyrin: The Simplest Expanded Porphyrin with the Smallest Möbius Topology. Angew Chem Int Ed Engl 2017; 56:15667-15671. [PMID: 29044945 DOI: 10.1002/anie.201709859] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/23/2017] [Indexed: 01/15/2023]
Abstract
An unstable conjugated homoporphyrin was successfully stabilized by introducing meso-aryl substitutents. It was evident from the moderate diatropic ring current found by NMR analysis that the newly formed 20π conjugated free base and its protonated form exhibited Möbius aromatic character. Furthermore, complexation as a ligand with an RhI ion afforded a unique binding mode and retained the Möbius aromaticity. Overall, these compounds are the smallest Möbius aromatic molecules, as confirmed by spectral and crystal-structure analysis and supported by theoretical studies.
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Affiliation(s)
- K S Anju
- Chemical Sciences and Technology Divison, CSIR-National Institute for Interdisciplinary Science and Technology, Trivandrum, 695019, Kerala, India
| | - Mainak Das
- School of Chemical Sciences, National Institute of Science Education and Research, NISER, HBNI, Bhubaneswar, 752050, Odisha, India
| | - B Adinarayana
- School of Chemical Sciences, National Institute of Science Education and Research, NISER, HBNI, Bhubaneswar, 752050, Odisha, India
| | - Cherumuttathu H Suresh
- Chemical Sciences and Technology Divison, CSIR-National Institute for Interdisciplinary Science and Technology, Trivandrum, 695019, Kerala, India
| | - A Srinivasan
- School of Chemical Sciences, National Institute of Science Education and Research, NISER, HBNI, Bhubaneswar, 752050, Odisha, India
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23
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Anju KS, Das M, Adinarayana B, Suresh CH, Srinivasan A. meso
-Aryl [20]π Homoporphyrin: The Simplest Expanded Porphyrin with the Smallest Möbius Topology. Angew Chem Int Ed Engl 2017. [DOI: 10.1002/ange.201709859] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
Affiliation(s)
- K. S. Anju
- Chemical Sciences and Technology Divison; CSIR-National Institute for Interdisciplinary Science and Technology; Trivandrum 695019 Kerala India
| | - Mainak Das
- School of Chemical Sciences; National Institute of Science Education and Research, NISER, HBNI; Bhubaneswar 752050 Odisha India
| | - B. Adinarayana
- School of Chemical Sciences; National Institute of Science Education and Research, NISER, HBNI; Bhubaneswar 752050 Odisha India
| | - Cherumuttathu H. Suresh
- Chemical Sciences and Technology Divison; CSIR-National Institute for Interdisciplinary Science and Technology; Trivandrum 695019 Kerala India
| | - A. Srinivasan
- School of Chemical Sciences; National Institute of Science Education and Research, NISER, HBNI; Bhubaneswar 752050 Odisha India
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24
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Theoretical investigation on the electronic properties and UV–Vis absorption spectra of expanded porphyrin mono-Cu(II) complexes. COMPUT THEOR CHEM 2017. [DOI: 10.1016/j.comptc.2017.09.018] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
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25
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Torrent-Sucarrat M, Navarro S, Cossío FP, Anglada JM, Luis JM. Relevance of the DFT method to study expanded porphyrins with different topologies. J Comput Chem 2017; 38:2819-2828. [DOI: 10.1002/jcc.25074] [Citation(s) in RCA: 51] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/24/2017] [Revised: 08/03/2017] [Accepted: 09/07/2017] [Indexed: 12/14/2022]
Affiliation(s)
- Miquel Torrent-Sucarrat
- Department of Organic Chemistry I; Universidad del País Vasco - Euskal Herriko Unibertsitatea (UPV/EHU) and Centro de Innovación en Química Avanzada (ORFEO-CINQA), Manuel Lardizabal Ibilbidea 3; San Sebastian Donostia 20018 Spain
- Donostia International Physics Center (DIPC), Manuel Lardizabal Ibilbidea 4; San Sebastián/Donostia 20018 Spain
- Ikerbasque, Basque Foundation for Science, María Díaz de Haro, 3, 6°; Bilbao 48013 Spain
| | - Sara Navarro
- Institut de Química Computacional i Catàlisi and Departament de Química, Universitat de Girona; Girona Catalonia E-17071 Spain
| | - Fernando P. Cossío
- Department of Organic Chemistry I; Universidad del País Vasco - Euskal Herriko Unibertsitatea (UPV/EHU) and Centro de Innovación en Química Avanzada (ORFEO-CINQA), Manuel Lardizabal Ibilbidea 3; San Sebastian Donostia 20018 Spain
- Donostia International Physics Center (DIPC), Manuel Lardizabal Ibilbidea 4; San Sebastián/Donostia 20018 Spain
| | - Josep M. Anglada
- Departament de Química Biològica i Modelització Molecular; Institut de Química Avançada de Catalunya (IQAC-CSIC), c/Jordi Girona 18; Barcelona E-08034 Spain
| | - Josep M. Luis
- Institut de Química Computacional i Catàlisi and Departament de Química, Universitat de Girona; Girona Catalonia E-17071 Spain
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26
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Self-assembly behavior of inconvertible star poly(acrylic acid) conformers based on p-tert-butylthiacalix[4]arene. Macromol Res 2017. [DOI: 10.1007/s13233-017-5102-0] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
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27
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Naoda K, Osuka A. Structural and Aromaticity Control of [34]Octaphyrin(1.1.1.0.1.1.1.0) by Protonation and Deprotonation. ASIAN J ORG CHEM 2017. [DOI: 10.1002/ajoc.201700144] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/02/2023]
Affiliation(s)
- Koji Naoda
- Department of Chemistry; Graduate School of Science; Kyoto University, Sakyo-ku; Kyoto 606-8502 Japan
| | - Atsuhiro Osuka
- Department of Chemistry; Graduate School of Science; Kyoto University, Sakyo-ku; Kyoto 606-8502 Japan
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28
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Sung YM, Oh J, Cha WY, Kim W, Lim JM, Yoon MC, Kim D. Control and Switching of Aromaticity in Various All-Aza-Expanded Porphyrins: Spectroscopic and Theoretical Analyses. Chem Rev 2016; 117:2257-2312. [DOI: 10.1021/acs.chemrev.6b00313] [Citation(s) in RCA: 128] [Impact Index Per Article: 16.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Affiliation(s)
- Young Mo Sung
- Spectroscopy
Laboratory for Functional π-Electronic Systems and Department
of Chemistry, Yonsei University, Seoul 120-749, South Korea
| | - Juwon Oh
- Spectroscopy
Laboratory for Functional π-Electronic Systems and Department
of Chemistry, Yonsei University, Seoul 120-749, South Korea
| | - Won-Young Cha
- Spectroscopy
Laboratory for Functional π-Electronic Systems and Department
of Chemistry, Yonsei University, Seoul 120-749, South Korea
| | - Woojae Kim
- Spectroscopy
Laboratory for Functional π-Electronic Systems and Department
of Chemistry, Yonsei University, Seoul 120-749, South Korea
| | - Jong Min Lim
- Spectroscopy
Laboratory for Functional π-Electronic Systems and Department
of Chemistry, Yonsei University, Seoul 120-749, South Korea
- Physical
and Theoretical Chemistry Laboratory, Department of Chemistry, University of Oxford, South Parks Road, Oxford OX1 3QZ, United Kingdom
| | - Min-Chul Yoon
- Spectroscopy
Laboratory for Functional π-Electronic Systems and Department
of Chemistry, Yonsei University, Seoul 120-749, South Korea
- Manufacturing
Engineering Team, Memory Manufacturing Operation Center, Samsung Electronics, Samsungjeonja-ro 1, Hwasung-si, Gyeonggi-do 18448, South Korea
| | - Dongho Kim
- Spectroscopy
Laboratory for Functional π-Electronic Systems and Department
of Chemistry, Yonsei University, Seoul 120-749, South Korea
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29
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Abstract
This review underscores the conformational flexibility of porphyrinoids, a unique class of functional molecules, starting from the smallest triphyrins(1.1.1) via [18]porphyrins(1.1.1.1) and concluding with a variety of expanded porphyrinoids and heteroporphyrinoids, including the enormous [96]tetracosaphyrin(1.0.1.0.1.0.1.0.1.0.1.0.1.0.1.0.1.0.1.0.1.0.1.0). The specific flexibility of porphyrinoids has been documented as instrumental in the designing or redesigning of macrocyclic frames, particularly in the search for adjustable platforms for coordination or organometallic chemistry, anion binding, or mechanistic switches in molecular devices. A structural prearrangement to coordinate one or more metal ions has been outlined. The coverage of the topic focuses on representative examples of geometry or conformational rearrangements for each selected class of the numerous porphyrinoids accordingly categorized by the number of built-in carbo- or heterocycles.
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Affiliation(s)
- Bartosz Szyszko
- Wydział Chemii, Uniwersytet Wrocławski , ul. F. Joliot-Curie 14, 50-383 Wrocław, Poland
| | - Michał J Białek
- Wydział Chemii, Uniwersytet Wrocławski , ul. F. Joliot-Curie 14, 50-383 Wrocław, Poland
| | - Ewa Pacholska-Dudziak
- Wydział Chemii, Uniwersytet Wrocławski , ul. F. Joliot-Curie 14, 50-383 Wrocław, Poland
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30
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Naoda K, Osuka A. A Doubly Zwitterionic Antiaromatic [28]Hexaphyrin Formed upon Deprotonation of 5,20-Di(N-methyl-4-pyridinium)-Substituted [28]Hexaphyrin. Chem Asian J 2016; 11:2849-2853. [PMID: 27529538 DOI: 10.1002/asia.201601071] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/03/2016] [Indexed: 11/06/2022]
Abstract
A rectangular 5,20-di(4-pyridyl) [26]hexaphyrin was reduced with NaBH4 to give the corresponding twisted Möbius aromatic [28]hexaphyrin. Subsequent double N-methylation gave a dicationic 5,20-di(N-methyl-4-pyridinium) [28]hexaphyrin, which was converted to a doubly zwitterionic and Hückel antiaromatic [28]hexaphyrin upon deprotonation with sodium methoxide.
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Affiliation(s)
- Koji Naoda
- Department of Chemistry, Graduate School of Science, Kyoto University, Sakyo-ku, Kyoto, 606-8502, Japan
| | - Atsuhiro Osuka
- Department of Chemistry, Graduate School of Science, Kyoto University, Sakyo-ku, Kyoto, 606-8502, Japan.
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31
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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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32
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Sun G, Lei E, Liu XS, Yu CH, Duan XX, Liu CG. Theoretical investigation of structure diversity and electronic properties in the series isomeric [26]hexaphyrin (1.1.1.1.1.1) and [28]hexaphyrin (1.1.1.1.1.1). COMPUT THEOR CHEM 2016. [DOI: 10.1016/j.comptc.2016.04.020] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
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33
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Ramos CI, Figueira F, Polêto MD, Amado FM, Verli H, Tomé JP, Neves MGP. ESI-MS/MS of expanded porphyrins: a look into their structure and aromaticity. JOURNAL OF MASS SPECTROMETRY : JMS 2016; 51:342-349. [PMID: 27194518 DOI: 10.1002/jms.3760] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/06/2015] [Revised: 02/24/2016] [Accepted: 03/02/2016] [Indexed: 06/05/2023]
Abstract
Electrospray mass spectrometry/mass spectrometry was used to investigate the gas-phase properties of protonated expanded porphyrins, in order to correlate those with their structure and conformation. We have selected five expanded meso-pentafluorophenyl porphyrins, respectively, a pair of oxidized/reduced fused pentaphyrins (22 and 24 π electrons), a pair of oxidized/reduced regular hexaphyrins (26 and 28 π electrons) and a regular doubly N-fused hexaphyrin (28 π electrons). The gas-phase behavior of the protonated species of oxidized and reduced expanded porphyrins is different. The oxidized species (aromatic Hückel systems) fragment more extensively, mainly by the loss of two HF molecules. The reduced species (Möbius aromatic or Möbius-like aromatic systems) fragment less than their oxidized counterparts because of their increased flexibility. The protonated regular doubly fused hexaphyrin (non-aromatic Hückel system) shows the least fragmentation even at higher collision energies. In general, cyclization through losses of HF molecules decreases from the aromatic Hückel systems to Möbius aromatic or Möbius-like aromatic systems to non-aromatic Hückel systems and is related to an increase in conformational distortion. Copyright © 2016 John Wiley & Sons, Ltd.
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Affiliation(s)
- Catarina Iv Ramos
- QOPNA-Mass Spectrometry Laboratory, Department of Chemistry, University of Aveiro, Campus de Santiago, 3810-193, Aveiro, Portugal
| | - Flávio Figueira
- QOPNA-Organic Chemistry Laboratory, Department of Chemistry, University of Aveiro, Campus de Santiago, 3810-193, Aveiro, Portugal
| | - Marcelo D Polêto
- Centro de Biotecnologia, Universidade Federal do Rio Grande do Sul, Av. Bento Gonçalves 9500, CP 15005, Porto Alegre, 91500-970, RS, Brazil
| | - Francisco Ml Amado
- QOPNA-Mass Spectrometry Laboratory, Department of Chemistry, University of Aveiro, Campus de Santiago, 3810-193, Aveiro, Portugal
| | - Hugo Verli
- Centro de Biotecnologia, Universidade Federal do Rio Grande do Sul, Av. Bento Gonçalves 9500, CP 15005, Porto Alegre, 91500-970, RS, Brazil
| | - João Pc Tomé
- QOPNA-Organic Chemistry Laboratory, Department of Chemistry, University of Aveiro, Campus de Santiago, 3810-193, Aveiro, Portugal
- Centro de Química Estrutural, Instituto Superior Técnico, Universidade de Lisboa, Av. Rovisco Pais, 1049-001, Lisboa, Portugal
| | - M Graça Pms Neves
- QOPNA-Organic Chemistry Laboratory, Department of Chemistry, University of Aveiro, Campus de Santiago, 3810-193, Aveiro, Portugal
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34
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Yoneda T, Kim T, Soya T, Neya S, Oh J, Kim D, Osuka A. Conformational Fixation of a Rectangular Antiaromatic [28]Hexaphyrin Using Rationally Installed Peripheral Straps. Chemistry 2016; 22:4413-7. [PMID: 26870921 DOI: 10.1002/chem.201600262] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/20/2016] [Indexed: 11/07/2022]
Abstract
A rectangular [28]hexaphyrin bearing outer straps at the long side has been synthesized by SN Ar reaction of [26]hexaphyrin with allyl alcohol, intramolecular olefin metathesis by using Hoveyda-Grubbs second-generation catalyst, and reduction with NaBH4 . The peripheral straps enforce a rectangular conformation for the [28]hexaphyrin, which shows Hückel antiaromatic character, as confirmed by its planar X-ray structure, a strong paratropic ring current, characteristic UV/Vis/NIR absorption features, small electrochemical HOMO-LUMO gap, and very fast S1 decay.
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Affiliation(s)
- Tomoki Yoneda
- Department of Physical Chemistry, Graduate School of Pharmaceutical Sciences, Chiba University, Chuoh-Inohana, Chiba, 260-8675, Japan.
| | - Taeyeon Kim
- Spectroscopy Laboratory for Functional π-Electronic Systems and Department of Chemistry, Yonsei University, Seoul, 120-749, Korea
| | - Takanori Soya
- Department of Chemistry, Graduate School of Science, Kyoto University, Sakyo-ku, Kyoto, 606-8502, Japan
| | - Saburo Neya
- Department of Physical Chemistry, Graduate School of Pharmaceutical Sciences, Chiba University, Chuoh-Inohana, Chiba, 260-8675, Japan
| | - Juwon Oh
- Spectroscopy Laboratory for Functional π-Electronic Systems and Department of Chemistry, Yonsei University, Seoul, 120-749, Korea
| | - Dongho Kim
- Spectroscopy Laboratory for Functional π-Electronic Systems and Department of Chemistry, Yonsei University, Seoul, 120-749, Korea.
| | - Atsuhiro Osuka
- Department of Chemistry, Graduate School of Science, Kyoto University, Sakyo-ku, Kyoto, 606-8502, Japan.
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35
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Ghosh A, Chaudhary A, Srinivasan A, Suresh CH, Chandrashekar TK. [32]π Fused Core-Modified Heptaphyrin with Möbius Aromaticity. Chemistry 2016; 22:3942-6. [DOI: 10.1002/chem.201505116] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/21/2015] [Indexed: 11/09/2022]
Affiliation(s)
- Arindam Ghosh
- School of Chemical Sciences; National Institute of Science Education and Research (NISER), Bhubaneswar; 751005 Odisha India
| | - Arvind Chaudhary
- School of Chemical Sciences; National Institute of Science Education and Research (NISER), Bhubaneswar; 751005 Odisha India
| | - A. Srinivasan
- School of Chemical Sciences; National Institute of Science Education and Research (NISER), Bhubaneswar; 751005 Odisha India
| | - Cherumuttathu H. Suresh
- Inorganic & Theoretical Chemistry Section; Chemical Sciences and Technology Division; CSIR-National Institute for Interdisciplinary Science and Technology, Trivandrum -; 695019 Kerala India
| | - Tavarekere K. Chandrashekar
- School of Chemical Sciences; National Institute of Science Education and Research (NISER), Bhubaneswar; 751005 Odisha India
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36
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Jung JH, Oh J, Lim YG, Chang T, Paik HJ. Inconvertible p-tert-butylthiacalix[4]arene-core-star polystyrene conformers. RSC Adv 2016. [DOI: 10.1039/c6ra15410g] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
Inconvertible star polystyrene conformers were synthesized by ATRP using initiators of different conformations from p-tert-butylthiacalix[4]arene. The influence of spatial structures of the star polystyrene conformers on properties was investigated.
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Affiliation(s)
- Ji-Hye Jung
- Department of Polymer Science and Engineering
- Pusan National University
- Busan
- Korea
- The 4th R&D Institute-2
| | - Joongsuk Oh
- Department of Chemistry and Division of Advanced Materials Science
- Pohang University of Science and Technology (POSTECH)
- Pohang
- Korea
| | - Yeong-Gweon Lim
- The 4th R&D Institute-2
- Agency for Defense Development
- Daejeon
- Korea
| | - Taihyun Chang
- Department of Chemistry and Division of Advanced Materials Science
- Pohang University of Science and Technology (POSTECH)
- Pohang
- Korea
| | - Hyun-jong Paik
- Department of Polymer Science and Engineering
- Pusan National University
- Busan
- Korea
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37
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Figueira F, Farinha ASF, Muteto PV, Polêto MD, Verli H, Gomes MTSR, Tomé AC, Cavaleiro JAS, Tomé JPC. [28]Hexaphyrin derivatives for anion recognition in organic and aqueous media. Chem Commun (Camb) 2016; 52:2181-4. [DOI: 10.1039/c5cc08128a] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Hexaphyrin-based anion chemosensors are reported for the first time.
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Affiliation(s)
- Flávio Figueira
- QOPNA
- Department of Chemistry
- University of Aveiro
- 3810-193 Aveiro
- Portugal
| | | | - Paulino V. Muteto
- CESAM
- Department of Chemistry
- University of Aveiro
- 3810-193 Aveiro
- Portugal
| | - Marcelo D. Polêto
- Center of Biotechnology
- Federal University of Rio Grande do Sul
- Brazil
| | - Hugo Verli
- Center of Biotechnology
- Federal University of Rio Grande do Sul
- Brazil
| | | | - Augusto C. Tomé
- QOPNA
- Department of Chemistry
- University of Aveiro
- 3810-193 Aveiro
- Portugal
| | | | - João P. C. Tomé
- QOPNA
- Department of Chemistry
- University of Aveiro
- 3810-193 Aveiro
- Portugal
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38
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Vogel A, Dechert S, John M, Brückner C, Meyer F. Siamese-Twin Porphyrin Origami: Oxidative Fusing and Folding. Chemistry 2015; 22:2307-16. [DOI: 10.1002/chem.201503699] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/14/2015] [Indexed: 11/12/2022]
Affiliation(s)
- Anastasia Vogel
- Institute of Inorganic Chemistry; Georg-August-University Göttingen; Tammannstr. 4 D-37077 Göttingen Germany
| | - Sebastian Dechert
- Institute of Inorganic Chemistry; Georg-August-University Göttingen; Tammannstr. 4 D-37077 Göttingen Germany
| | - Michael John
- Institute of Inorganic Chemistry; Georg-August-University Göttingen; Tammannstr. 4 D-37077 Göttingen Germany
| | - Christian Brückner
- Department of Chemistry, Unit 3060; University of Connecticut; Storrs CT 06269-3060 USA
| | - Franc Meyer
- Institute of Inorganic Chemistry; Georg-August-University Göttingen; Tammannstr. 4 D-37077 Göttingen Germany
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39
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Sun G, Duan XX, Yu CH, Liu CG. Theoretical investigation of the aromaticity and electronic properties of protonated and unprotonated molecules in the series hexaphyrin(1.0.0.1.0.0) to hexaphyrin(1.1.1.1.1.1). J Mol Model 2015; 21:315. [DOI: 10.1007/s00894-015-2862-3] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/18/2015] [Accepted: 11/10/2015] [Indexed: 10/22/2022]
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40
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Sung YM, Oh J, Kim W, Mori H, Osuka A, Kim D. Switching between Aromatic and Antiaromatic 1,3-Phenylene-Strapped [26]- and [28]Hexaphyrins upon Passage to the Singlet Excited State. J Am Chem Soc 2015; 137:11856-9. [PMID: 26340352 DOI: 10.1021/jacs.5b04047] [Citation(s) in RCA: 51] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
We have demonstrated aromaticity reversal in the singlet excited states of internally 1,3-phenylene-strapped [26]- and [28]hexaphyrins (P26H and P28H). P26H displays a broad and reduced singlet-excited-state absorption spectrum, whereas P28H exhibits a sharp and intense singlet-excited-state absorption spectrum; both are in contrast to the ground-state absorption spectra, strongly indicating aromaticity reversal in the singlet excited state. Furthermore, magnetic and topological indices of aromaticity such as nucleus-independent chemical shift and harmonic oscillator model of aromaticity values for P26H and P28H also suggest that their singlet excited states become antiaromatic and aromatic, respectively.
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Affiliation(s)
- Young Mo Sung
- Spectroscopy Laboratory for Functional π-Electronic Systems and Department of Chemistry, Yonsei University , Seoul 120-749, Korea
| | - Juwon Oh
- Spectroscopy Laboratory for Functional π-Electronic Systems and Department of Chemistry, Yonsei University , Seoul 120-749, Korea
| | - Woojae Kim
- Spectroscopy Laboratory for Functional π-Electronic Systems and Department of Chemistry, Yonsei University , Seoul 120-749, Korea
| | - Hirotaka Mori
- Department of Chemistry, Graduate School of Science, Kyoto University , Sakyo-ku, Kyoto 606-8502, Japan
| | - Atsuhiro Osuka
- Department of Chemistry, Graduate School of Science, Kyoto University , Sakyo-ku, Kyoto 606-8502, Japan
| | - Dongho Kim
- Spectroscopy Laboratory for Functional π-Electronic Systems and Department of Chemistry, Yonsei University , Seoul 120-749, Korea
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41
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Higashino T, Soya T, Kim W, Kim D, Osuka A. A Möbius Aromatic [28]Hexaphyrin Bearing a Diethylamine Group: A Rigid but Smooth Conjugation Circuit. Angew Chem Int Ed Engl 2015. [DOI: 10.1002/ange.201500099] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
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42
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Higashino T, Soya T, Kim W, Kim D, Osuka A. A Möbius Aromatic [28]Hexaphyrin Bearing a Diethylamine Group: A Rigid but Smooth Conjugation Circuit. Angew Chem Int Ed Engl 2015; 54:5456-9. [DOI: 10.1002/anie.201500099] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/06/2015] [Indexed: 11/12/2022]
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43
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MISHRA SWETA, ARORA SMRITI, NAGPAL RITIKA, SINGH CHAUHAN SHIVEMURAT. Sulfonated graphenes catalyzed synthesis of expanded porphyrins and their supramolecular interactions with pristine graphene. J CHEM SCI 2015. [DOI: 10.1007/s12039-014-0731-8] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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44
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Möbius K, Plato M, Klihm G, Laurich C, Savitsky A, Lubitz W, Szyszko B, Stępień M, Latos-Grażyński L. Möbius–Hückel topology switching in an expanded porphyrin cation radical as studied by EPR and ENDOR spectroscopy. Phys Chem Chem Phys 2015; 17:6644-52. [DOI: 10.1039/c4cp05745g] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
The symmetry of the arrangement of objects has fascinated philosophers, artists and scientists for a long time, and still does.
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Affiliation(s)
- Klaus Möbius
- Freie Universität Berlin
- Fachbereich Physik
- 14195 Berlin
- Germany
- Max Planck Institut für Chemische Energiekonversion
| | - Martin Plato
- Freie Universität Berlin
- Fachbereich Physik
- 14195 Berlin
- Germany
| | - Gudrun Klihm
- Max Planck Institut für Chemische Energiekonversion
- 45470 Mülheim (Ruhr)
- Germany
| | - Christoph Laurich
- Max Planck Institut für Chemische Energiekonversion
- 45470 Mülheim (Ruhr)
- Germany
| | - Anton Savitsky
- Max Planck Institut für Chemische Energiekonversion
- 45470 Mülheim (Ruhr)
- Germany
| | - Wolfgang Lubitz
- Max Planck Institut für Chemische Energiekonversion
- 45470 Mülheim (Ruhr)
- Germany
| | | | - Marcin Stępień
- Wydział Chemii
- Uniwersytet Wrocławski
- 50-383 Wrocław
- Poland
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45
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Karthik G, Srinivasan A, Chandrashekar TK. meso-Aryl Core-Modified Fused Sapphyrins: Syntheses and Structural Diversity. Org Lett 2014; 16:3472-5. [DOI: 10.1021/ol501395t] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Ganesan Karthik
- School
of Chemical Sciences, National Institute of Science Education and Research (NISER), Institute of Physics Campus, Sainik School P.O. Bhubaneswar 751 005, Odisha, India
| | - A. Srinivasan
- School
of Chemical Sciences, National Institute of Science Education and Research (NISER), Institute of Physics Campus, Sainik School P.O. Bhubaneswar 751 005, Odisha, India
| | - Tavarekere K. Chandrashekar
- School
of Chemical Sciences, National Institute of Science Education and Research (NISER), Institute of Physics Campus, Sainik School P.O. Bhubaneswar 751 005, Odisha, India
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46
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Ishida SI, Tanaka T, Lim JM, Kim D, Osuka A. SiIVIncorporation into a [28]Hexaphyrin That Triggered Formation of Möbius Aromatic Molecules. Chemistry 2014; 20:8274-8. [DOI: 10.1002/chem.201402929] [Citation(s) in RCA: 32] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/03/2014] [Indexed: 11/07/2022]
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47
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Marcos E, Anglada JM, Torrent-Sucarrat M. Effect of the Meso-Substituent in the Hückel-to-Möbius Topological Switches. J Org Chem 2014; 79:5036-46. [DOI: 10.1021/jo500569p] [Citation(s) in RCA: 25] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/28/2023]
Affiliation(s)
- Enrique Marcos
- Departament
de Química Biològica i Modelització Molecular, Institut de Química Avançada de Catalunya (IQAC−CSIC), c/Jordi
Girona 18, E-08034 Barcelona, Spain
- Department
of Biochemistry, University of Washington, Seattle, Washington 98195, United States
| | - Josep M. Anglada
- Departament
de Química Biològica i Modelització Molecular, Institut de Química Avançada de Catalunya (IQAC−CSIC), c/Jordi
Girona 18, E-08034 Barcelona, Spain
| | - Miquel Torrent-Sucarrat
- Departament
de Química Biològica i Modelització Molecular, Institut de Química Avançada de Catalunya (IQAC−CSIC), c/Jordi
Girona 18, E-08034 Barcelona, Spain
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48
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Szyszko B, Sprutta N, Chwalisz P, Stępień M, Latos-Grażyński L. Hückel and Möbius Expandedpara-Benziporphyrins: Synthesis and Aromaticity Switching. Chemistry 2014; 20:1985-97. [DOI: 10.1002/chem.201303676] [Citation(s) in RCA: 59] [Impact Index Per Article: 5.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/18/2013] [Indexed: 11/06/2022]
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49
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Cha WY, Yoneda T, Lee S, Lim JM, Osuka A, Kim D. Deprotonation induced formation of Möbius aromatic [32]heptaphyrins. Chem Commun (Camb) 2014; 50:548-50. [DOI: 10.1039/c3cc47908k] [Citation(s) in RCA: 25] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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50
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Naoda K, Mori H, Osuka A. GoldIII-IridiumIIIHybrid Complexes of Hexaphyrin(1.1.1.1.1.1). Chem Asian J 2013; 8:1395-8. [DOI: 10.1002/asia.201300320] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/11/2013] [Indexed: 11/11/2022]
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