1
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Radenković S, Đorđević S, Nikolendžić M. Effect of Benzo-Annelation on Triplet State Energies in Polycyclic Conjugated Hydrocarbons. Chemistry 2024; 30:e202400361. [PMID: 38488676 DOI: 10.1002/chem.202400361] [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: 01/27/2024] [Indexed: 04/09/2024]
Abstract
In a series of earlier studies, the effect of benzo-annelation was found to be a useful tool for tuning the aromaticity in polycyclic conjugated compounds to desired level. In this work we studied the (anti)aromaticity of benzo-annelated derivatives of three conjugated hydrocarbons (anthracene, fluoranthene and biphenylene) in their lowest lying singlet (S0) and triplet (T1) states by means of the energy effect (ef), harmonic oscillator model of aromaticity (HOMA), multicentre delocalization indices (MCI), magnetically induced current densities (MICDs) and nucleus independent chemical shifts (NICS). We showed that benzo-annelation is a topology-based effect which can be used to modify the T1 state excitation energies (E(T1)). A quantitative model was established being able to accurately predict the E(T1) based only on the numbers of angularly, linearly and geminally annelated benzene rings. In addition, it was demonstrated that the E(T1) can be directly related to the (anti)aromatic character of the central ring in the studied molecules in their S0 state.
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Affiliation(s)
- Slavko Radenković
- University of Kragujevac, Faculty of Science, P.O. Box 60, Kragujevac, 34000, Serbia
| | - Slađana Đorđević
- University of Kragujevac, Faculty of Science, P.O. Box 60, Kragujevac, 34000, Serbia
| | - Marijana Nikolendžić
- University of Kragujevac, Faculty of Science, P.O. Box 60, Kragujevac, 34000, Serbia
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2
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Fueyo-González F, Espinar-Barranco L, Herranz R, Alkorta I, Crovetto L, Fribourg M, Paredes JM, Orte A, González-Vera JA. Self-Assembled Lanthanide Antenna Glutathione Sensor for the Study of Immune Cells. ACS Sens 2022; 7:322-330. [PMID: 35034437 PMCID: PMC8805117 DOI: 10.1021/acssensors.1c02439] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/05/2023]
Abstract
![]()
The small molecule
8-methoxy-2-oxo-1,2,4,5-tetrahydrocyclopenta[de]quinoline-3-carboxylic
acid (2b) behaves as a reactive non-fluorescent Michael
acceptor, which after reaction with thiols becomes fluorescent, and
an efficient Eu3+ antenna, after self-assembling with this
cation in water. This behavior makes 2b a highly selective
GSH biosensor, which has demonstrated high potential for studies in
murine and human cells of the immune system (CD4+ T, CD8+ T, and B cells) using flow cytometry. GSH can be monitored
by the fluorescence of the product of addition to 2b (445
nm) or by the luminescence of Eu3+ (592 nm). 2b was able to capture baseline differences in GSH intracellular levels
among murine and human CD4+ T, CD8+ T, and B
cells. We also successfully used 2b to monitor intracellular
changes in GSH associated with the metabolic variations governing
the induction of CD4+ naïve T cells into regulatory
T cells (TREG).
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Affiliation(s)
- Francisco Fueyo-González
- Instituto de Química Médica (CSIC), Juan de la Cierva 3, 28006 Madrid, Spain
- Department of Medicine, Translational Transplant Research Center, Immunology Institute, Icahn School of Medicine at Mount Sinai, New York, New York 10029, United States
| | - Laura Espinar-Barranco
- Nanoscopy Laboratory, Departamento de Fisicoquímica, Unidad de Excelencia de Química Aplicada a Biomedicina y Medioambiente, Facultad de Farmacia, Universidad de Granada, Campus Cartuja, 18071 Granada, Spain
| | - Rosario Herranz
- Instituto de Química Médica (CSIC), Juan de la Cierva 3, 28006 Madrid, Spain
| | - Ibon Alkorta
- Instituto de Química Médica (CSIC), Juan de la Cierva 3, 28006 Madrid, Spain
| | - Luis Crovetto
- Nanoscopy Laboratory, Departamento de Fisicoquímica, Unidad de Excelencia de Química Aplicada a Biomedicina y Medioambiente, Facultad de Farmacia, Universidad de Granada, Campus Cartuja, 18071 Granada, Spain
| | - Miguel Fribourg
- Department of Medicine, Translational Transplant Research Center, Immunology Institute, Icahn School of Medicine at Mount Sinai, New York, New York 10029, United States
| | - Jose Manuel Paredes
- Nanoscopy Laboratory, Departamento de Fisicoquímica, Unidad de Excelencia de Química Aplicada a Biomedicina y Medioambiente, Facultad de Farmacia, Universidad de Granada, Campus Cartuja, 18071 Granada, Spain
| | - Angel Orte
- Nanoscopy Laboratory, Departamento de Fisicoquímica, Unidad de Excelencia de Química Aplicada a Biomedicina y Medioambiente, Facultad de Farmacia, Universidad de Granada, Campus Cartuja, 18071 Granada, Spain
| | - Juan A. González-Vera
- Instituto de Química Médica (CSIC), Juan de la Cierva 3, 28006 Madrid, Spain
- Nanoscopy Laboratory, Departamento de Fisicoquímica, Unidad de Excelencia de Química Aplicada a Biomedicina y Medioambiente, Facultad de Farmacia, Universidad de Granada, Campus Cartuja, 18071 Granada, Spain
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3
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Manassir M, Pakiari AH. Valence non-Lewis density as an approach to describe and measure aromaticity of organic and inorganic molecules. J Mol Graph Model 2021; 110:108062. [PMID: 34775218 DOI: 10.1016/j.jmgm.2021.108062] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/31/2021] [Revised: 10/13/2021] [Accepted: 10/26/2021] [Indexed: 11/17/2022]
Abstract
Based on the linear combination of atomic orbital-molecular orbital by the natural bond orbitals (NBO) theory, the attractive donor-acceptor superposition interaction between filled (Lewis-type) and vacant (non-Lewis-type) orbitals provide a general mechanism for quantal energy lowering. This interaction has a direct impact on the quantity of the second-order stabilization energy. Therefore, the valence non-Lewis density (VNLD) index, the electron density of unoccupied valence nonbonding and antibonding orbitals, is introduced as an approach to describe and measure aromaticity. This index is based on the frontier orbital concept. To investigate the validity of the proposed aromaticity index, we selected several test sets of organic and inorganic molecules such as different ring sizes in cyclic and heterocyclic hydrocarbons, and all-metal and semimetal clusters, and compared our findings with previous aromaticity analysis. According to the results, VNLD values are well correlated and anticipated the order of aromaticity with the formerly introduced criteria. Furthermore, VNLD reveals that the rings with π-sextet electrons localized in a ring are more aromatic than the other rings, thus, it is in line with Clar's rule. Our proposed aromaticity index has advantages such as, easy to obtain from NBO analysis, and does not require reference molecules which made it more applicable for realizing the aromaticity order in many organic and inorganic compounds.
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Affiliation(s)
- Mohammad Manassir
- Chemistry Department, College of Sciences, Shiraz University, Shiraz, 71454, Iran
| | - Ali H Pakiari
- Chemistry Department, College of Sciences, Shiraz University, Shiraz, 71454, Iran.
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4
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Zhu C, Shoyama K, Würthner F. Conformation and Aromaticity Switching in a Curved Non-Alternant sp 2 Carbon Scaffold. Angew Chem Int Ed Engl 2020; 59:21505-21509. [PMID: 32815658 PMCID: PMC7756343 DOI: 10.1002/anie.202010077] [Citation(s) in RCA: 48] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/22/2020] [Revised: 08/19/2020] [Indexed: 01/19/2023]
Abstract
A curved sp2 carbon scaffold containing fused pentagon and heptagon units (1) was synthesized by Pd-catalyzed [5+2] annulation from a 3,9-diboraperylene precursor and shows two reversible oxidation processes at low redox potential, accompanied by a butterfly-like motion. Stepwise oxidation produced radical cation 1.+ and dication 12+ . In the crystal structure, 1 exhibits a chiral cisoid conformation and partial π-overlap between the enantiomers. For the radical cation 1.+ , a less curved cisoid conformation is observed with a π-dimer-type arrangement. 12+ adopts a more planar structure with transoid conformation and slip-stacked π-overlap with closest neighbors. We also observed an intermolecular mixed-valence complex of 1⋅(1.+ )3 that has a huge trigonal unit cell [(1)72 (SbF6 )54 ⋅(hexane)101 ] and hexagonal columnar stacks. In addition to the conformational change, the aromaticity of 1 changes from localized to delocalized, as demonstrated by AICD and NICS(1)zz calculations.
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Affiliation(s)
- Chongwei Zhu
- Institut für Organische Chemie and Center for Nanosystems Chemistry (CNC)Universität WürzburgAm Hubland97074WürzburgGermany
| | - Kazutaka Shoyama
- Institut für Organische Chemie and Center for Nanosystems Chemistry (CNC)Universität WürzburgAm Hubland97074WürzburgGermany
| | - Frank Würthner
- Institut für Organische Chemie and Center for Nanosystems Chemistry (CNC)Universität WürzburgAm Hubland97074WürzburgGermany
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5
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Zhu C, Shoyama K, Würthner F. Conformation and Aromaticity Switching in a Curved Non‐Alternant sp
2
Carbon Scaffold. Angew Chem Int Ed Engl 2020. [DOI: 10.1002/ange.202010077] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/04/2023]
Affiliation(s)
- Chongwei Zhu
- Institut für Organische Chemie and Center for Nanosystems Chemistry (CNC) Universität Würzburg Am Hubland 97074 Würzburg Germany
| | - Kazutaka Shoyama
- Institut für Organische Chemie and Center for Nanosystems Chemistry (CNC) Universität Würzburg Am Hubland 97074 Würzburg Germany
| | - Frank Würthner
- Institut für Organische Chemie and Center for Nanosystems Chemistry (CNC) Universität Würzburg Am Hubland 97074 Würzburg Germany
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6
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Heteroatom effects on aromaticity of five-membered rings in acenaphthylene analogs. J Mol Model 2020; 26:275. [PMID: 32959185 DOI: 10.1007/s00894-020-04543-w] [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: 06/11/2020] [Accepted: 09/13/2020] [Indexed: 10/23/2022]
Abstract
The pattern of cyclic conjugation was thoroughly studied in the series of N- and P-acenaphthylene derivatives using several different aromaticity indices: the energy effect (ef), multicenter delocalization index (MCI), harmonic oscillator model of aromaticity (HOMA) index, and nucleus independent chemical shifts (NICS). The Kekulé-structure-based reasoning predicts that there would be no cyclic conjugation in the "empty" five-membered heteroatom-containing rings in the studied molecules. It was found that according to the ef, MCI, and HOMA values, the extent of cyclic conjugation in the pentagonal rings is strongly influenced by the number and mutual arrangement of the hexagonal rings. In addition, it was revealed that in some of the examined molecules, the intensity of cyclic conjugation in the "empty" pentagons is even stronger than that of some hexagonal rings within the same molecule. The obtained results refute what one would expect based on "chemical intuition," which is usually strongly rooted to the Kekulé structures.Graphical abstract.
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7
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Antić M, Đorđević S, Furtula B, Radenković S. Magnetically Induced Current Density in Nonplanar Fully Benzenoid Hydrocarbons. J Phys Chem A 2020; 124:371-378. [PMID: 31850755 DOI: 10.1021/acs.jpca.9b10352] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
In our recent paper, the effects of molecular planarity on the local aromaticity in several series of increasingly planar fully benzenoid hydrocarbons were examined. It was found that the Clar formulas can provide correct information on the local aromaticity distribution even in nonplanar fully benzenoid systems. In the present work, the influence of molecular planarity on the ab initio magnetically induced current densities was examined for the same sets of molecules. The planarity effects were rationalized by examining the origins of the induced current density through the virtual transitions between occupied and unoccupied molecular orbitals.
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Affiliation(s)
- Marija Antić
- Faculty of Science , University of Kragujevac , P.O. Box 60, 34000 Kragujevac , Serbia
| | - Slađana Đorđević
- Faculty of Science , University of Kragujevac , P.O. Box 60, 34000 Kragujevac , Serbia
| | - Boris Furtula
- Faculty of Science , University of Kragujevac , P.O. Box 60, 34000 Kragujevac , Serbia
| | - Slavko Radenković
- Faculty of Science , University of Kragujevac , P.O. Box 60, 34000 Kragujevac , Serbia
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8
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Đorđević S, Radenković S. Singlet and triplet states of the sandwich-type Be 2B 6 and Be 2B 7+ clusters. A test for the electron counting rules of aromaticity. NEW J CHEM 2020. [DOI: 10.1039/d0nj04643d] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/07/2023]
Abstract
The studied complexes exhibit double aromaticity in their triplet states in line with the predictions of Hückel and Baird's rules.
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Affiliation(s)
- Slađana Đorđević
- University of Kragujevac
- Faculty of Science
- 34000 Kragujevac
- Serbia
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9
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Anjalikrishna PK, Suresh CH, Gadre SR. Electrostatic Topographical Viewpoint of π-Conjugation and Aromaticity of Hydrocarbons. J Phys Chem A 2019; 123:10139-10151. [PMID: 31647654 DOI: 10.1021/acs.jpca.9b09056] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
A molecular electrostatic potential (MESP) topographical study has been conducted for a variety of conjugated hydrocarbons at B3LYP/6-311+G(d,p) level of theory to understand their π-conjugation features and aromaticity. The value of MESP minimum (Vm) is related to the localized and delocalized distribution of π-electron density. The Vm values are located interior to the rings in polycyclic benzenoid hydrocarbons (PBHs), whereas they lie outside the boundary of the rings in antiaromatic and in fused systems consisting of aromatic and antiaromatic moieties. The Vm points lie on top and bottom of the π-regions in linear polyenes and annulenes, while a degenerate distribution of CPs around the midpoint region of triple bonds is observed in alkynes. The eigenvalues λ1, λ2, and λ3 of the Hessian matrix at Vm(MESP minima) are used to define the aromatic character of the cyclic structures. The eigenvalues follow the trend λ1 ≫ λ2 > λ3 ≅ 0 in PBHs, λ1 > λ2 > λ3 ≅ 0 in linear polyenes, and λ1 > λ2 > λ3 ≠ 0 in antiaromatic systems. The difference in the aromatic character of PBHs from that of benzene is related to the deviations Δλ1, Δλ2, and Δλ3. The total deviation ∑i=13Δλi is found to be ≤ 0.011 au for all aromatic systems and lies between 0.011 and 0.035 au for all nonaromatic systems. For antiaromatic systems, its value is found to be above 0.035 au. Further, ∑i=13Δλi gives a direct interpretation of Clar's aromatic sextet structures for PBHs. In summary, MESP topography mapping is a powerful technique to quantify the localized and delocalized π-electron distribution in a variety of unsaturated hydrocarbon systems.
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Affiliation(s)
- Puthannur K Anjalikrishna
- Chemical Sciences and Technology Division , CSIR-National Institute for Interdisciplinary Science and Technology , Thiruvananthapuram , Kerala 695019 , India.,Academy of Scientific and Innovative Research (AcSIR) , Ghaziabad 201002 , India
| | - Cherumuttathu H Suresh
- Chemical Sciences and Technology Division , CSIR-National Institute for Interdisciplinary Science and Technology , Thiruvananthapuram , Kerala 695019 , India.,Academy of Scientific and Innovative Research (AcSIR) , Ghaziabad 201002 , India
| | - Shridhar R Gadre
- Interdisciplinary School of Scientific Computing , Savitribai Phule Pune University , Pune 411007 , India
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10
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Zhang YF, Zhang CZ. Experimental and theoretical study on spontaneous intermolecular charge transfer features and antiaromaticities of unusual bisazo compounds with antiaromatic cores. J Mol Struct 2019. [DOI: 10.1016/j.molstruc.2019.04.044] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
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11
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Đorđević S, Radenković S. Magnetically induced current density in triple-layered beryllium–boron clusters. Phys Chem Chem Phys 2019; 21:7105-7114. [DOI: 10.1039/c9cp00541b] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
Abstract
Magnetically induced current densities reveal the double aromatic character of the examined Be–B clusters.
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Affiliation(s)
- Slađana Đorđević
- Faculty of Science
- University of Kragujevac
- 34000 Kragujevac
- Serbia
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12
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Nagami T, Fujiyoshi JY, Tonami T, Watanabe KI, Yamane M, Okada K, Kishi R, Nakano M, Champagne B, Liégeois V. Evaluation of Aromaticity for Open-Shell Singlet Dicyclopenta-Fused Acenes and Polyacenes Based on a Magnetically Induced Current. Chemistry 2018; 24:13457-13466. [DOI: 10.1002/chem.201802696] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/28/2018] [Indexed: 11/06/2022]
Affiliation(s)
- Takanori Nagami
- Depertment of Materials Engineering Science; Graduate School of Engineering Science (Osaka University); Toyonaka Osaka 560-8531 Japan
| | - Jun-ya Fujiyoshi
- Depertment of Materials Engineering Science; Graduate School of Engineering Science (Osaka University); Toyonaka Osaka 560-8531 Japan
| | - Takayoshi Tonami
- Depertment of Materials Engineering Science; Graduate School of Engineering Science (Osaka University); Toyonaka Osaka 560-8531 Japan
| | - Ken-ichiro Watanabe
- Depertment of Materials Engineering Science; Graduate School of Engineering Science (Osaka University); Toyonaka Osaka 560-8531 Japan
| | - Masaki Yamane
- Depertment of Materials Engineering Science; Graduate School of Engineering Science (Osaka University); Toyonaka Osaka 560-8531 Japan
| | - Kenji Okada
- Depertment of Materials Engineering Science; Graduate School of Engineering Science (Osaka University); Toyonaka Osaka 560-8531 Japan
| | - Ryohei Kishi
- Depertment of Materials Engineering Science; Graduate School of Engineering Science (Osaka University); Toyonaka Osaka 560-8531 Japan
| | - Masayoshi Nakano
- Depertment of Materials Engineering Science; Graduate School of Engineering Science (Osaka University); Toyonaka Osaka 560-8531 Japan
- Center for Spintronics Research Network (CSRN); Graduate School of Engineering Science (Osaka University); Toyonaka Osaka 560-8531 Japan
- Institute for Molecular Science; 38 Nishigo-Nka Myodaiji Okazaki 444-8585 Japan
| | - Benoît Champagne
- Department of Chemistry, Namur Institute of Structured Matter; University of Namur; Rue de Bruxelles 61 5000 Namur Belgium
| | - Vincent Liégeois
- Department of Chemistry, Namur Institute of Structured Matter; University of Namur; Rue de Bruxelles 61 5000 Namur Belgium
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13
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Shi X, Roisnel T, Soulé JF, Doucet H. Synthesis of mono- and di-arylated acenaphthylenes and programmed access to dibenzo[j,l]fluoranthenes via palladium-catalysed C–H bond functionalisation. Org Chem Front 2018. [DOI: 10.1039/c7qo00799j] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
Access to symmetrical and non-symmetrical C1,C2-diarylated acenaphthylenes and to dibenzo[j,l]fluoranthenes using programmed Pd-catalysed C–H bond functionalization.
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Affiliation(s)
- Xinzhe Shi
- Institut des Sciences Chimiques de Rennes
- UMR 6226 CNRS-Université de Rennes 1 “Organométalliques: Matériaux et Catalyse”
- 35042 Rennes Cedex
- France
| | - Thierry Roisnel
- Institut des Sciences Chimiques de Rennes
- UMR 6226 CNRS-Université de Rennes 1 “Organométalliques: Matériaux et Catalyse”
- 35042 Rennes Cedex
- France
| | - Jean-François Soulé
- Institut des Sciences Chimiques de Rennes
- UMR 6226 CNRS-Université de Rennes 1 “Organométalliques: Matériaux et Catalyse”
- 35042 Rennes Cedex
- France
| | - Henri Doucet
- Institut des Sciences Chimiques de Rennes
- UMR 6226 CNRS-Université de Rennes 1 “Organométalliques: Matériaux et Catalyse”
- 35042 Rennes Cedex
- France
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14
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Shi X, Sasmal A, Soulé JF, Doucet H. Metal-Catalyzed C−H Bond Activation of 5-Membered Carbocyclic Rings: A Powerful Access to Azulene, Acenaphthylene and Fulvene Derivatives. Chem Asian J 2017; 13:143-157. [DOI: 10.1002/asia.201701455] [Citation(s) in RCA: 36] [Impact Index Per Article: 5.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/10/2017] [Revised: 11/02/2017] [Indexed: 12/11/2022]
Affiliation(s)
- Xinzhe Shi
- Institut des Sciences Chimiques de Rennes, UMR 6226 CNRS-; Université de Rennes 1, “Organométalliques, Matériaux et Catalyse”; Campus de Beaulieu 35042 Rennes France
| | - Arpan Sasmal
- Institut des Sciences Chimiques de Rennes, UMR 6226 CNRS-; Université de Rennes 1, “Organométalliques, Matériaux et Catalyse”; Campus de Beaulieu 35042 Rennes France
| | - Jean-François Soulé
- Institut des Sciences Chimiques de Rennes, UMR 6226 CNRS-; Université de Rennes 1, “Organométalliques, Matériaux et Catalyse”; Campus de Beaulieu 35042 Rennes France
| | - Henri Doucet
- Institut des Sciences Chimiques de Rennes, UMR 6226 CNRS-; Université de Rennes 1, “Organométalliques, Matériaux et Catalyse”; Campus de Beaulieu 35042 Rennes France
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15
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Huang H, Wei Z, Wang M, Duan Z, Mathey F. A Phosphorus Analogue of Acenaphthylene. European J Org Chem 2017. [DOI: 10.1002/ejoc.201700766] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Affiliation(s)
- Haiyang Huang
- College of Chemistry and Molecular Engineering; International Phosphorus Laboratory; International Joint Research Laboratory for Functional Organophosphorus Materials of Henan Province; Zhengzhou University; 450001 Zhengzhou P. R. China
| | - Zhibin Wei
- College of Chemistry and Molecular Engineering; International Phosphorus Laboratory; International Joint Research Laboratory for Functional Organophosphorus Materials of Henan Province; Zhengzhou University; 450001 Zhengzhou P. R. China
| | - Mincan Wang
- College of Chemistry and Molecular Engineering; International Phosphorus Laboratory; International Joint Research Laboratory for Functional Organophosphorus Materials of Henan Province; Zhengzhou University; 450001 Zhengzhou P. R. China
| | - Zheng Duan
- College of Chemistry and Molecular Engineering; International Phosphorus Laboratory; International Joint Research Laboratory for Functional Organophosphorus Materials of Henan Province; Zhengzhou University; 450001 Zhengzhou P. R. China
| | - François Mathey
- College of Chemistry and Molecular Engineering; International Phosphorus Laboratory; International Joint Research Laboratory for Functional Organophosphorus Materials of Henan Province; Zhengzhou University; 450001 Zhengzhou P. R. China
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16
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Su YX, Zhang CZ, Song MX. Optical properties of (Z)-2-(2-phenylhydrazinylidene)acenaphthen-1(2H)-one: a potential electron donor in organic solar cells. ACTA CRYSTALLOGRAPHICA SECTION C-STRUCTURAL CHEMISTRY 2017; 73:458-463. [PMID: 28579567 DOI: 10.1107/s205322961700691x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/25/2016] [Accepted: 05/09/2017] [Indexed: 11/10/2022]
Abstract
Electron-donating molecules play an important role in the development of organic solar cells. (Z)-2-(2-Phenylhydrazinylidene)acenaphthen-1(2H)-one (PDAK), C18H12N2O, was synthesized by a Schiff base reaction. The crystal structure shows that the molecules are planar and are linked together forming `face-to-face' assemblies held together by intermolecular C-H...O, π-π and C-H...π interactions. PDAK exhibits a broadband UV-Vis absorption (200-648 nm) and a low HOMO-LUMO energy gap (1.91 eV; HOMO is the highest occupied molecular orbital and LUMO is the lowest unoccupied molecular orbital), while fluorescence quenching experiments provide evidence for electron transfer from the excited state of PDAK to C60. This suggests that the title molecule may be a suitable donor for use in organic solar cells.
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Affiliation(s)
- Yan Xiao Su
- CICAEET, Department of Chemistry, Nanjing University of Information Science & Technology, Nanjing 210044, People's Republic of China
| | - Chao Zhi Zhang
- CICAEET, Department of Chemistry, Nanjing University of Information Science & Technology, Nanjing 210044, People's Republic of China
| | - Ming Xia Song
- Jiangsu Key Laboratory of AEMPC, Nanjing University of Information Science & Technology, Nanjing 210044, People's Republic of China
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17
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Antić M, Furtula B, Radenković S. Aromaticity of Nonplanar Fully Benzenoid Hydrocarbons. J Phys Chem A 2017; 121:3616-3626. [DOI: 10.1021/acs.jpca.7b02521] [Citation(s) in RCA: 23] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Marija Antić
- Faculty of Science, University of Kragujevac, P.O. Box 60, 34000 Kragujevac, Serbia
| | - Boris Furtula
- Faculty of Science, University of Kragujevac, P.O. Box 60, 34000 Kragujevac, Serbia
| | - Slavko Radenković
- Faculty of Science, University of Kragujevac, P.O. Box 60, 34000 Kragujevac, Serbia
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Van Damme S, Acke G, Havenith RWA, Bultinck P. Can the current density map topology be extracted from the nucleus independent chemical shifts? Phys Chem Chem Phys 2017; 18:11746-55. [PMID: 26762574 DOI: 10.1039/c5cp07170d] [Citation(s) in RCA: 52] [Impact Index Per Article: 7.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/14/2023]
Abstract
Aromatic compounds are characterised by the presence of a ring current when in a magnetic field. As a consequence, current density maps are used to assess (the degree of) aromaticity of a compound. However, often a more discrete set of so-called Nucleus Independent Chemical Shift (NICS) values is used that is derived from the current density. It is shown here that there is no simple one-to-one relationship that allows reconstructing current density maps from only NICS-values. NICS values should therefore not be used as aromaticity indices without analysis of the ab initio computed current density map.
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Affiliation(s)
- Sofie Van Damme
- Ghent University, Faculty of Science, Department of Inorganic and Physical Chemistry, Krijgslaan 281, S3, 9000 Ghent, Belgium. and Members of the QCMM, Alliance Ghent-Brussels, Belgium
| | - Guillaume Acke
- Ghent University, Faculty of Science, Department of Inorganic and Physical Chemistry, Krijgslaan 281, S3, 9000 Ghent, Belgium. and Members of the QCMM, Alliance Ghent-Brussels, Belgium
| | - Remco W A Havenith
- Ghent University, Faculty of Science, Department of Inorganic and Physical Chemistry, Krijgslaan 281, S3, 9000 Ghent, Belgium. and Members of the QCMM, Alliance Ghent-Brussels, Belgium and Theoretical Chemistry, Zernike Institute for Advanced Materials and Stratingh Institute for Chemistry, University of Groningen, 9747 AG Groningen, The Netherlands
| | - Patrick Bultinck
- Ghent University, Faculty of Science, Department of Inorganic and Physical Chemistry, Krijgslaan 281, S3, 9000 Ghent, Belgium. and Members of the QCMM, Alliance Ghent-Brussels, Belgium
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Philip AM, Mallia AR, Hariharan M. Prolonged Charge Separated States in Twisted Stacks of All-Carbon Donor and Acceptor Chromophores. J Phys Chem Lett 2016; 7:4751-4756. [PMID: 27934208 DOI: 10.1021/acs.jpclett.6b02310] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/06/2023]
Abstract
Twisted donor-on-donor and acceptor-on-acceptor bicontinuous assembly in all-carbon pyren-1-ylaceanthrylene (PA) dyad extends the survival time of the photoinduced radical ion-pair intermediates. Aceanthrylene, a functional analog of C70, acts as a versatile electron acceptor owing to its high electron affinity and visible light absorption. Antithetical trajectories of the excitons in the nonparallel π-ways led to persistent radical ion-pair intermediates in aggregated (τcrA ∼ 1.28 ns) vs monomeric (τcrM ≤ 110 fs) PA dyad as observed using femtosecond transient absorption spectroscopy. Marcus theory of charge transfer rates predicts an ambipolar transport characteristic in crystalline PA, thereby endorsing PA as an all-carbon DA hybrid for nonfullerene photovoltaic applications.
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Affiliation(s)
- Abbey M Philip
- School of Chemistry, Indian Institute of Science Education and Research Thiruvananthapuram , CET Campus, Sreekaryam, Thiruvananthapuram, Kerala, India 695016
| | - Ajith R Mallia
- School of Chemistry, Indian Institute of Science Education and Research Thiruvananthapuram , CET Campus, Sreekaryam, Thiruvananthapuram, Kerala, India 695016
| | - Mahesh Hariharan
- School of Chemistry, Indian Institute of Science Education and Research Thiruvananthapuram , CET Campus, Sreekaryam, Thiruvananthapuram, Kerala, India 695016
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Lambruschini C, Banfi L, Guanti G. Switching the Photochromic Activity of Acenaphthylene Derivatives through a Tandem Nucleophile-Promoted Addition Reaction. Chemistry 2016; 22:13831-13834. [DOI: 10.1002/chem.201602912] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/17/2016] [Indexed: 11/06/2022]
Affiliation(s)
- Chiara Lambruschini
- Department of Chemistry and Industrial Chemistry; University of Genova; Via Dodecaneso 31 16146 Genova Italy
| | - Luca Banfi
- Department of Chemistry and Industrial Chemistry; University of Genova; Via Dodecaneso 31 16146 Genova Italy
| | - Giuseppe Guanti
- Department of Chemistry and Industrial Chemistry; University of Genova; Via Dodecaneso 31 16146 Genova Italy
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Ren Y, Sezen M, Guo F, Jäkle F, Loo YL. [ d]-Carbon-carbon double bond engineering in diazaphosphepines: a pathway to modulate the chemical and electronic structures of heteropines. Chem Sci 2016; 7:4211-4219. [PMID: 30155067 PMCID: PMC6014086 DOI: 10.1039/c6sc00519e] [Citation(s) in RCA: 25] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/02/2016] [Accepted: 03/15/2016] [Indexed: 11/21/2022] Open
Abstract
We have designed and synthesized the first examples of 7-membered diazaphosphepines using phosphorus-amine (P-N) chemistry. Different from previous functional protocols of heteropines, the installation of π-conjugated substituents having diverse chemistries at the [d]-C[double bond, length as m-dash]C double bond position of heteropine core allows us to effectively control the chemical and electronic structures in both the ground and excited states of these diazaphosphepines. This functionalization has led to a diverse set of crystal structures, which has in turn provided access to rich photophysical and redox properties. Of particular interest is the evidence for planar π-conjugated backbone in our non-aromatic heteropine and twisted intramolecular charge transfer, which have never been reported for heteropines. The introduction of electron-accepting substituents at [d]-position of diazaphosphepines results in heteropines that are more electron deficient than any heteropine reported to-date. As proof of concept, we have fabricated organic solar cells with heteropines as non-fullerene acceptors.
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Affiliation(s)
- Yi Ren
- Department of Chemical and Biological Engineering , Princeton University , NJ 08544 , USA .
| | - Melda Sezen
- Department of Chemical and Biological Engineering , Princeton University , NJ 08544 , USA .
| | - Fang Guo
- Department of Chemistry , Rutgers University , Newark , NJ 07102 , USA
| | - Frieder Jäkle
- Department of Chemistry , Rutgers University , Newark , NJ 07102 , USA
| | - Yueh-Lin Loo
- Department of Chemical and Biological Engineering , Princeton University , NJ 08544 , USA .
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Radenković S, Tošović J, Đurđević Nikolić J. Local Aromaticity in Naphtho-Annelated Fluoranthenes: Can the Five-Membered Rings Be More Aromatic Than the Six-Membered Rings? J Phys Chem A 2015; 119:4972-82. [DOI: 10.1021/acs.jpca.5b01817] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Slavko Radenković
- Faculty
of Science, University of Kragujevac, 12 Radoja Domanovića, 34000 Kragujevac, Serbia
| | - Jelena Tošović
- Faculty
of Science, University of Kragujevac, 12 Radoja Domanovića, 34000 Kragujevac, Serbia
| | - Jelena Đurđević Nikolić
- Faculty
of Science, University of Kragujevac, 12 Radoja Domanovića, 34000 Kragujevac, Serbia
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23
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Electronic structure study of the biradical pleiadene-like molecules. MONATSHEFTE FUR CHEMIE 2013. [DOI: 10.1007/s00706-013-1114-4] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
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