1
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Fujii S, Seko S, Tanaka T, Yoshihara Y, Furukawa S, Nishino T, Saito M. Charge Transport through Single-Molecule Junctions with σ-Delocalized Systems. J Am Chem Soc 2024; 146:19566-19571. [PMID: 38957924 PMCID: PMC11258778 DOI: 10.1021/jacs.4c06732] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/16/2024] [Revised: 06/23/2024] [Accepted: 06/25/2024] [Indexed: 07/04/2024]
Abstract
Single-molecule junctions, formed by a single molecule bridging a gap between two metal electrodes, are attracting attention as basic models of ultrasmall electronic devices. Although charge transport through π-conjugated molecules with π-delocalized system has been widely studied for a number of molecular junctions, there has been almost no research on charge transport through molecular junctions with a σ-delocalized orbital system. Compounds with hexa-selenium-substituted benzene form a σ-delocalized orbital system on the periphery of the benzene ring. In this study, we fabricated single-molecule junctions with the σ-delocalized orbital systems arising from lone-pair interactions of selenium atoms and clarified their electronic properties using the break-junction method. The single-molecule junctions with the σ-orbital systems show efficient charge transport properties and can be one of the alternatives to those with conventional π-orbital systems as minute electronic conductors.
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Affiliation(s)
- Shintaro Fujii
- Department
of Chemistry, School of Science, Tokyo Institute
of Technology, 2-12-1
W4-10 Ookayama, Meguro-ku, Tokyo 152-8551, Japan
| | - Saya Seko
- Department
of Chemistry, Graduate School of Science and Engineering, Saitama University, Shimo-okubo, Sakura-ku, Saitama-city, Saitama 338-8570, Japan
| | - Taichi Tanaka
- Department
of Chemistry, Graduate School of Science and Engineering, Saitama University, Shimo-okubo, Sakura-ku, Saitama-city, Saitama 338-8570, Japan
| | - Yuki Yoshihara
- Department
of Chemistry, School of Science, Tokyo Institute
of Technology, 2-12-1
W4-10 Ookayama, Meguro-ku, Tokyo 152-8551, Japan
| | - Shunsuke Furukawa
- Department
of Chemistry, Graduate School of Science and Engineering, Saitama University, Shimo-okubo, Sakura-ku, Saitama-city, Saitama 338-8570, Japan
| | - Tomoaki Nishino
- Department
of Chemistry, School of Science, Tokyo Institute
of Technology, 2-12-1
W4-10 Ookayama, Meguro-ku, Tokyo 152-8551, Japan
| | - Masaichi Saito
- Department
of Chemistry, Graduate School of Science and Engineering, Saitama University, Shimo-okubo, Sakura-ku, Saitama-city, Saitama 338-8570, Japan
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2
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Gahlot S, Schmitt JL, Chevalier A, Villa M, Roy M, Ceroni P, Lehn JM, Gingras M. "The Sulfur Dance" Around Arenes and Heteroarenes - the Reversible Nature of Nucleophilic Aromatic Substitutions. Chemistry 2024:e202400231. [PMID: 38289151 DOI: 10.1002/chem.202400231] [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: 01/19/2024] [Indexed: 02/20/2024]
Abstract
We disclose the features of a category of reversible nucleophilic aromatic substitutions in view of their significance and generality in dynamic aromatic chemistry. Exchange of sulfur components surrounding arenes and heteroarenes may occur at 25 °C, in a process that one may call a "sulfur dance". These SN Ar systems present their own features, apart from common reversible reactions utilized in dynamic covalent chemistry (DCC). By varying conditions, covalent dynamics may operate to provide libraries of thiaarenes with some selectivity, or conversion of a hexa(thio)benzene asterisk into another one. The reversible nature of SN Ar is confirmed by three methods: a convergence of the products distribution in reversible SN Ar systems, a related product redistribution between two per(thio)benzenes by using a thiolate promoter, and from kinetic/thermodynamic data. A four-component dynamic covalent system further illustrates the thermodynamically-driven formation of a thiacalix[2]arene[2]pyrimidine by sulfur component exchanges. This work stimulates the implementation of reversible SN Ar in aromatic chemistry and in DCC.
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Affiliation(s)
- Sapna Gahlot
- Aix Marseille Univ, CNRS, CINaM, 13288, Marseille, France
| | - Jean-Louis Schmitt
- Institut de Science et d'Ingénierie Supramoléculaires (ISIS), CNRS UMR 7006, Université de Strasbourg, 8 allée Gaspard Monge, BP 70028, 67083, Strasbourg Cedex, France
| | - Aline Chevalier
- Institut de Science et d'Ingénierie Supramoléculaires (ISIS), CNRS UMR 7006, Université de Strasbourg, 8 allée Gaspard Monge, BP 70028, 67083, Strasbourg Cedex, France
| | - Marco Villa
- Aix Marseille Univ, CNRS, CINaM, 13288, Marseille, France
- Department of Chemistry ("Giacomo Ciamician"), University of Bologna, Via Selmi, 2, 40126, Bologna, Italy
| | - Myriam Roy
- Aix Marseille Univ, CNRS, CINaM, 13288, Marseille, France
- Institut Parisien de Chimie Moléculaire, Sorbonne Université, 75005, Paris, France
| | - Paola Ceroni
- Department of Chemistry ("Giacomo Ciamician"), University of Bologna, Via Selmi, 2, 40126, Bologna, Italy
| | - Jean-Marie Lehn
- Institut de Science et d'Ingénierie Supramoléculaires (ISIS), CNRS UMR 7006, Université de Strasbourg, 8 allée Gaspard Monge, BP 70028, 67083, Strasbourg Cedex, France
| | - Marc Gingras
- Aix Marseille Univ, CNRS, CINaM, 13288, Marseille, France
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3
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Kundu G, Amrutha PR, Tothadi S, Sen SS. Access to NHC-Boryl Mono- and Bis-Selenide and Utility as Mild Selenium Transfer Reagent Including to the C-F Bond. Chemistry 2024; 30:e202302984. [PMID: 37943498 DOI: 10.1002/chem.202302984] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/14/2023] [Revised: 11/09/2023] [Accepted: 11/09/2023] [Indexed: 11/10/2023]
Abstract
Reactions of 5-SIDipp ⋅ BH3 (5-SIDipp=1,3-bis(2,6-diisopropylphenyl)-imidazolin-2-ylidene) (1) with diphenyldiselenide provide access to 5-SIDipp-boryl mono- (5-SIDipp ⋅ BH2 SePh) (2) and bis-selenide (5-SIDipp ⋅ BH(SePh)2 ) (3). The facile cleavage of the B-Se bond makes 2 a neutral source of selenium nucleophiles in substitutions reactions with benzyl bromides, and provide access to the corresponding selenoethers. The direct transformations of one of the C(sp2 )-F bonds of C5 F5 N and C6 F5 CF3 to C-Se bonds have also been achieved by the use of 2 without employing transition-metal catalysts. While it was previously established that C6 F6 could undergo complete defluoroselenation under harsh conditions, we successfully achieved partial defluorination of C6 F6 by employing 2 as a mild selenide transfer reagent. During the formation of C-Se bonds through the cleavage of C-F bonds, the potential by-product NHC ⋅ BH2 F undergoes ring expansion of the NHC, leading to the formation of the six-membered diaazafluoroborinane (7).
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Affiliation(s)
- Gargi Kundu
- Inorganic Chemistry and Catalysis Division, CSIR-National Chemical Laboratory, Dr. Homi Bhabha Road, 411008, Pashan, Pune, India
- Academy of Scientific and Innovative Research (AcSIR), 201002, Ghaziabad, India
| | - P R Amrutha
- Inorganic Chemistry and Catalysis Division, CSIR-National Chemical Laboratory, Dr. Homi Bhabha Road, 411008, Pashan, Pune, India
- Academy of Scientific and Innovative Research (AcSIR), 201002, Ghaziabad, India
| | - Srinu Tothadi
- Academy of Scientific and Innovative Research (AcSIR), 201002, Ghaziabad, India
- Analytical and Environmental Sciences Division and Centralized Instrumentation Facility, CSIR-Central Salt and Marine Chemicals Research Institute, Gijubhai Badheka Marg, 364002, Bhavnagar, India
| | - Sakya S Sen
- Inorganic Chemistry and Catalysis Division, CSIR-National Chemical Laboratory, Dr. Homi Bhabha Road, 411008, Pashan, Pune, India
- Academy of Scientific and Innovative Research (AcSIR), 201002, Ghaziabad, India
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4
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Gahlot S, Gradone A, Roy M, Giorgi M, Conti S, Ceroni P, Villa M, Gingras M. Persulfurated Benzene‐Cored Asterisks with π‐Extended ThioNaphthyl Arms: Synthesis, Structural, Photophysical and Covalent Dynamic Properties. Chemistry 2022; 28:e202200797. [PMID: 35443101 PMCID: PMC9545377 DOI: 10.1002/chem.202200797] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/13/2022] [Indexed: 11/09/2022]
Affiliation(s)
- Sapna Gahlot
- Aix Marseille Univ, CNRS, CINaM Marseille France
| | - Alessandro Gradone
- Department of Chemistry (“Giacomo Ciamician”) University of Bologna Via Selmi, 2 40126 Bologna Italy
- Institute for Microelectronics and Microsystems Italian National Research Council, Section of Bologna Via Piero Gobetti 101 40129 Bologna Italy
| | - Myriam Roy
- Aix Marseille Univ, CNRS, CINaM Marseille France
- Sorbonne Université, CNRS Institut Parisien de Chimie Moléculaire 75005 Paris France
| | - Michel Giorgi
- Aix Marseille Univ, CNRS, Centrale Marseille, FSCM Marseille France
| | - Simone Conti
- Department of Chemistry (“Giacomo Ciamician”) University of Bologna Via Selmi, 2 40126 Bologna Italy
| | - Paola Ceroni
- Aix Marseille Univ, CNRS, CINaM Marseille France
- Department of Chemistry (“Giacomo Ciamician”) University of Bologna Via Selmi, 2 40126 Bologna Italy
| | - Marco Villa
- Aix Marseille Univ, CNRS, CINaM Marseille France
- Department of Chemistry (“Giacomo Ciamician”) University of Bologna Via Selmi, 2 40126 Bologna Italy
| | - Marc Gingras
- Aix Marseille Univ, CNRS, CINaM Marseille France
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5
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Yunle L, Yanjie W, Liangliang Z, Bingbing Y. Progress in Synthesis and Aggregation-Induced Phosphorescence of Persulfurated Arene Compounds. CHINESE J ORG CHEM 2022. [DOI: 10.6023/cjoc202204063] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
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6
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He Y, Huang M, Deng X, Shengxian C, Wong YL, Hou YL, He J, Zeller M, Xu Z. Janus triple tripods build up a microporous manifold for HgCl2 and I2 uptake. Chem Commun (Camb) 2019; 55:5091-5094. [PMID: 30924482 DOI: 10.1039/c9cc00330d] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Three tripods for a versatile molecular scaffold: combining the Janus core for supramolecular recognition and the planar carboxyl tripod for framework construction enables metal uptake and iodine removal applications.
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Affiliation(s)
- Yonghe He
- School of Chemical Engineering and Light Industry
- Guangdong University of Technology
- Guangzhou 510006
- China
| | - Mengjiao Huang
- School of Chemical Engineering and Light Industry
- Guangdong University of Technology
- Guangzhou 510006
- China
| | - Xiangling Deng
- School of Chemical Engineering and Light Industry
- Guangdong University of Technology
- Guangzhou 510006
- China
| | - Cheng Shengxian
- Department of Chemistry
- City University of Hong Kong
- Kowloon
- China
| | - Yan-Lung Wong
- Department of Chemistry
- City University of Hong Kong
- Kowloon
- China
| | - Yun-Long Hou
- Department of Chemistry
- City University of Hong Kong
- Kowloon
- China
| | - Jun He
- School of Chemical Engineering and Light Industry
- Guangdong University of Technology
- Guangzhou 510006
- China
| | | | - Zhengtao Xu
- Department of Chemistry
- City University of Hong Kong
- Kowloon
- China
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7
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Kondratyev AS, Shteingarts VD, Litvak VV, Tretyakov EV, Tkachev AV. Domino reaction of (2-haloethyl)polyfluorophenyl sulfides, sulfoxides, and sulfones with ammonia or amines: one-pot synthesis of 3,4-dihydro-2H-1,4-benzothiazines polyfluorinated at the benzene ring and the corresponding 1-oxides and 1,1-dioxides. Chem Heterocycl Compd (N Y) 2018. [DOI: 10.1007/s10593-018-2217-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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8
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Pattison G, Sandford G, Wilson I, Yufit DS, Howard JA, Christopher JA, Miller DD. Polysubstituted and ring-fused pyridazine systems from tetrafluoropyridazine. Tetrahedron 2017. [DOI: 10.1016/j.tet.2016.12.006] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
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9
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Korb M, Lang H. Multi‐Ferrocenyl Aryl Ethers – Applying Nucleophilic Aromatic Substitution Reactions to Aryl Fluorides. Eur J Inorg Chem 2016. [DOI: 10.1002/ejic.201600850] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
Affiliation(s)
- Marcus Korb
- Department of Inorganic Chemistry Faculty of Natural Sciences Technische Universität Chemnitz 09107 Chemnitz Germany
| | - Heinrich Lang
- Department of Inorganic Chemistry Faculty of Natural Sciences Technische Universität Chemnitz 09107 Chemnitz Germany
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10
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Varadharajan D, Delaittre G. Accessing libraries of bifunctional block copolymers using two distinct pentafluorophenyl moieties. Polym Chem 2016. [DOI: 10.1039/c6py01711h] [Citation(s) in RCA: 25] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
The suitability of pentafluorophenyl (PFP) esters and PFP alkyl moieties for orthogonal dual functionalization of block copolymer segments is evaluated. While amidation followed by para-fluoro–thiol substitution is a viable reaction sequence, thiol-based substitution can occur on PFP esters at a high rate, thereby hampering the viability of the reverse sequence.
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Affiliation(s)
- Divya Varadharajan
- Institute of Toxicology and Genetics
- Karlsruhe Institute of Technology (KIT)
- 76344 Eggenstein-Leopoldshafen
- Germany
- Preparative Macromolecular Chemistry
| | - Guillaume Delaittre
- Institute of Toxicology and Genetics
- Karlsruhe Institute of Technology (KIT)
- 76344 Eggenstein-Leopoldshafen
- Germany
- Preparative Macromolecular Chemistry
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11
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Yoshida K, Osuka A. Peripherally Hexasulfanylated Subporphyrins. Chem Asian J 2015; 10:1526-34. [DOI: 10.1002/asia.201500225] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/09/2015] [Indexed: 11/09/2022]
Affiliation(s)
- Kota Yoshida
- 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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12
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Ahrens T, Kohlmann J, Ahrens M, Braun T. Functionalization of fluorinated molecules by transition-metal-mediated C-F bond activation to access fluorinated building blocks. Chem Rev 2014; 115:931-72. [PMID: 25347593 DOI: 10.1021/cr500257c] [Citation(s) in RCA: 610] [Impact Index Per Article: 61.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Affiliation(s)
- Theresia Ahrens
- Humboldt-Universität zu Berlin , Department of Chemistry, Brook-Taylor-Straße 2, 12489 Berlin, Germany
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13
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Müller D, Adelsberger K, Imming P. Organic Preparations with Molar Amounts of Volatile Malodorous Thiols. SYNTHETIC COMMUN 2013. [DOI: 10.1080/00397911.2011.640968] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
Affiliation(s)
- Diana Müller
- a Institut für Pharmazie, Martin-Luther-Universität , Halle , Germany
| | - Klaus Adelsberger
- b Luft- und Thermotechnik Bayreuth GmbH & Co. , Goldkronach , Germany
| | - Peter Imming
- a Institut für Pharmazie, Martin-Luther-Universität , Halle , Germany
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14
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Farrugia LJ, Gall JH, MacNicol DD. 1,2,4,5-Tetrakis(phenylsulfonyl)benzene: a novel quadruped host with D2 symmetry having ordered sulfolane and cycloheptanone guests. Chem Commun (Camb) 2012; 48:10600-2. [PMID: 22936121 DOI: 10.1039/c2cc35647c] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
Abstract
The title tetrasulfone 1, in common with higher members of the multi-armed aromatic hosts, forms host-guest complexes with polar guest molecules. In the sulfolane and cycloheptanone complexes the host molecule possesses an abab conformation with exact C(2,) and approximate D(2) symmetry with deviations owing to crystal packing forces. The conformation of the well-ordered cycloheptanone molecule, which normally undergoes facile pseudorotation, is unambiguously defined in the voids of the crystalline inclusion compound.
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Affiliation(s)
- Louis J Farrugia
- School of Chemistry, University of Glasgow, Glasgow G12 8QQ, Scotland, UK.
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15
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Ghalib RM, Hashim R, Alshahateet SF, Mehdi SH, Sulaiman O, Murugaiyah V, Aruldass CA. Synthesis, supramolecularity and in vitro antimicrobial activity of 3a,8a-dihydroxy-2-thioxo-1,3,3a,8a-tetrahydroindeno[1,2-d]imidazol-8(2H)-one. J Mol Struct 2011. [DOI: 10.1016/j.molstruc.2011.08.042] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/17/2022]
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16
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Del Rosso PG, Almassio MF, Bruno M, Garay RO. Mild persubstitution of di- and tetrabrominated arenes with arylthiolate nucleophiles. Tetrahedron Lett 2010. [DOI: 10.1016/j.tetlet.2010.10.069] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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17
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Mitamura T, Ogawa A. Palladium-catalyzed alkynylselenation of acetylenedicarboxylates leading to enyne selenides and application to synthesis of multisubstituted aryl selenides. Tetrahedron Lett 2010. [DOI: 10.1016/j.tetlet.2010.04.125] [Citation(s) in RCA: 21] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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18
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Affiliation(s)
- Masaichi Saito
- a Department of Chemistry , Graduate School of Science and Engineering, Saitama University , Shimo-okubo, Saitama-city, Saitama, 338-8570, Japan
| | - Yoshihiko Kanatomi
- a Department of Chemistry , Graduate School of Science and Engineering, Saitama University , Shimo-okubo, Saitama-city, Saitama, 338-8570, Japan
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19
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Affiliation(s)
- Hideki Amii
- Department of Chemistry, Graduate School of Science, Kobe University, Kobe 657-8501, Japan, and Department of Applied Chemistry, Faculty of Engineering, Okayama Univeristy, Okayama 700-8530, Japan
| | - Kenji Uneyama
- Department of Chemistry, Graduate School of Science, Kobe University, Kobe 657-8501, Japan, and Department of Applied Chemistry, Faculty of Engineering, Okayama Univeristy, Okayama 700-8530, Japan
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20
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Seed A. Synthesis of self-organizing mesogenic materials containing a sulfur-based five-membered heterocyclic core. Chem Soc Rev 2007; 36:2046-69. [PMID: 17982521 DOI: 10.1039/b612666a] [Citation(s) in RCA: 83] [Impact Index Per Article: 4.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
The majority of low molar mass calamitic mesogenic systems in the literature contain linear cores based on the 1,4-disubstituted phenyl ring. Heterocyclic cores such as thiophene impart unique physical properties as their slightly bent structure leads to features including a reduced packing ability (generally giving rise to lower melting points than their phenyl counterparts), a medium to strong lateral dipole, high anisotropy of the polarizability, low viscosity etc. This critical review describes the most recent synthetic methodology that has been used to prepare thiophene, 1,3-thiazole, and 1,3,4-thiadiazole-based mesogenic materials.
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Affiliation(s)
- Alexander Seed
- Department of Chemistry, Kent State University, Kent, Ohio 44242-0001, USA.
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21
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Li K, Huang G, Xu Z, Carroll PJ. Distinct host–guest interaction and subdued fluorescence in a coordination network of 2,3,6,7,10,11-hexakis(phenylthio)triphenylene and silver(I) triflate. J SOLID STATE CHEM 2006. [DOI: 10.1016/j.jssc.2006.08.005] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
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22
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Spychała J. Synthesis of Novel Polycationic Quaternary Di‐ and Trispirocyclic Benzenes. SYNTHETIC COMMUN 2006. [DOI: 10.1080/00397910500278511] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
Affiliation(s)
- Jarosław Spychała
- a Adam Mickiewicz University, Department of Chemistry , Poznań , Poland
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23
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Abstract
Persulfurated arenes have been known for about 50 years but they were underexploited in chemistry in spite of facile, mild, and high-yielding syntheses. Their properties (redox potentials, UV/Vis absorption, conductivity, nonlinear optical properties, etc.) are mainly due to the aromaticity of the ring with sp2-hybridized carbon atoms and to the electronic contribution from numerous divalent sulfur ligands, which also stabilize negative or positive charges. The characteristic conformational patterns of the sulfur ligands often facilitate preorganization in supramolecular assemblies, with or without thiophilic metal cations, for designing redox sensors, ion-selective membranes, clathrates, organic conductors, nonlinear optical materials, liquid crystals, coordination polymers, and bioinorganic systems. A new class of supramolecules with various molecular shapes such as asterisks, chains, wheels, and windmills were reported.
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Affiliation(s)
- Marc Gingras
- Chemistry Laboratory of Organic and Metallic Materials (CMOM), Faculty of Sciences, University of Nice-Sophia Antipolis, France.
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24
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25
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Li K, Xu Z, Xu H, Carroll PJ, Fettinger JC. Three-Dimensional Nets from Star-Shaped Hexakis(arylthio)triphenylene Molecules and Silver(I) Salts. Inorg Chem 2006; 45:1032-7. [PMID: 16441110 DOI: 10.1021/ic051135e] [Citation(s) in RCA: 28] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
This article reports a number of functional 3D networks based on the coordination bonds between the silver(I) ion and polycyclic aromatic 2,3,6,7,10,11-hexakis(organylthio)triphenylene (HRTT) molecules. First, 2,3,6,7,10,11-hexakis(phenylthio)triphenylene (HPhTT) chelates with AgBF4 (or AgTf, where Tf is triflate) in the presence of hexafluorobenzene to form a 3D network (composition, HPhTT x AgBF4; space group, I4), where each Ag(I) atom is bonded to three HPhTT molecules and acts as a three-connected node that interconnects the trigonal HPhTT ligands. In addition to the relatively rare 8(2) x 10-a topology, the network features distinct channel-like domains that incorporate various solvent molecules (e.g., acetone and tetrahydrofuran). The solvent molecules can be evacuated to produce a stable and crystalline apohost network, in which the solvent-accessible fraction of the cell volume is calculated to be about 16%. Second, chelation of 2,3,6,7,10,11-hexakis(4-methoxyphenylthio)triphenylene (HMOPhTT) and AgSbF6 in a 1:1 ratio results in a 3D network featuring a similar 8(2) x 10-a topology and Ag(I) coordination environment. However, the crystallographic symmetry (space group Cc) is lowered, and the feature of porosity is much less distinct. The 3D networks show strong room-temperature fluorescence bands with lambda(F,max) = 450 nm, due to the pi-electron fragment of the triphenylene group.
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Affiliation(s)
- Kunhao Li
- Department of Chemistry, George Washington University, 725 21st Street NW, Washington, DC 20052, USA
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26
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Wen-Sheng G, He-Nan X, Fang G, Jian T. Design, Synthesis and Inclusion Properties of Butterfly-shaped Hosts. CHINESE J CHEM 2005. [DOI: 10.1002/cjoc.200590272] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
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27
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Li K, Xu Z, Fettinger JC. Fluorescent Coordination Networks of 2,3,6,7,10,11-Hexakis(phenylthio)triphenylene and Silver(I) Triflate. Inorg Chem 2004; 43:8018-22. [PMID: 15578840 DOI: 10.1021/ic048917c] [Citation(s) in RCA: 15] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
The polycyclic aromatic ligand 2,3,6,7,10,11-hexakis(phenylthio)triphenylene (HPhTT) coordinates with AgTf (Tf = trifluoromethylsulfonate) to form 1D networks with various solvent molecules included. In particular, the crystal structures and photoluminescent properties of compound 1 (formula = 2HPhTT.3AgTf.3toluene) and compound 2 (formula = 2HPhTT.3AgTf.2THF) are described. Both 1 and 2 feature similar network connectivity as well as similar local coordination environments around the silver(I) atoms. The organizations of the guest molecules in the two structures are, however, quite different: In 1, the toluene molecules are enclathrated in isolated cavities by the host network; in 2, the THF molecules are confined in continuous 1D channels. Because of the large aromatic system of the triphenylene moiety, strong fluorescent bands (room temperature) are observed for HPhTT, 1 and 2, with lambda(F,max) = 447 nm for HPhTT and lambda(F,max) = 440 nm for both 1 and 2.
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Affiliation(s)
- Kunhao Li
- Department of Chemistry, The George Washington University, 725 21st Street NW, Washington, DC 20052, USA
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An efficient synthesis and structural aspects of hexakis(arylseleno)benzenes and hexakis(arylselenomethyl)benzenes. Tetrahedron Lett 2004. [DOI: 10.1016/j.tetlet.2004.07.020] [Citation(s) in RCA: 15] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
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Lowe JN, Fulton DA, Chiu SH, Elizarov AM, Cantrill SJ, Rowan SJ, Stoddart JF. Polyvalent Interactions in Unnatural Recognition Processes. J Org Chem 2004; 69:4390-402. [PMID: 15202894 DOI: 10.1021/jo030283o] [Citation(s) in RCA: 20] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
The synthesis of two cluster compounds, one containing six secondary dialkylammonium ion centers and the other possessing six benzo-m-phenylene[25]crown-8 (BMP25C8) macrocycles, both appended to hexakis(thiophenyl)benzene cores, is described. The binding of these clusters with complementary mono- and divalent ligands is investigated with NMR spectroscopy to probe polyvalency in these unnatural recognition systems. The ability of the two different families of clusters to bind complementary monovalent ligands is compared with that of the monovalent receptor pair, namely the dibenzylammonium ion and BMP25C8. This comparison is made possible by determining an average association constant (K(AVE)) for the binding of each recognition site on the cluster with the corresponding monovalent ligand. We have found that the clustering of recognition sites together in one molecule is detrimental to their individual abilities to bind monovalent ligands. In the case of the polyvalent interaction between the hexakisBMP25C8 cluster and divalent dialkylammonium ions, an association constant, K(POLY), was calculated from the value of K(AVE) determined for the complexation of the individual component recognition sites. This polyvalent interaction is significantly stronger than that associated with the averaged monovalent interactions.
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Affiliation(s)
- James N Lowe
- Department of Chemistry and Biochemistry, University of California, Los Angeles, 405 Hilgard Avenue, Los Angeles, California 90095, USA
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Menger FM, Azov VA. Synthesis and properties of water-soluble asterisk molecules. J Am Chem Soc 2002; 124:11159-66. [PMID: 12224964 DOI: 10.1021/ja0206238] [Citation(s) in RCA: 30] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
An asterisk is comprised of six semirigid arms projecting from a benzene nucleus. In the case at hand, asterisks were synthesized with one, two, or three aromatic rings (connected by sulfur atoms) in each of the six arms. A phosphomonoester at the termini of each arm solubilized the asterisks in water. The colloidal properties of these amphiphilic molecules were investigated by UV-vis and fluorescence spectroscopy, calorimetry, light scattering, surface tensiometry, and pulse-gradient spin-echo NMR. Solubility, solubilization, metal binding, and micelle "seeding" experiments were also carried out. Chain-conformation and supramolecular assembly into remarkable molecular "scrolls" were investigated by X-ray analysis and electron microscopy, respectively. One of the more interesting properties of the asterisks is that they remain monomeric in water despite having as many as 19 hydrophobic aromatic rings exposed to the water. The reasons for this behavior, and the possibility of exploiting it for constructing enzyme models free from aggregation equilibria, are discussed.
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Affiliation(s)
- Fredric M Menger
- Contribution from the Department of Chemistry, Emory University, 1515 Pierce Drive, Atlanta, Georgia 30322, USA.
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Fabre B, Hapiot P, Simonet J. Electron Transfer-Induced Conformational Changes of Highly Hindered Aromatic Compounds. The Case of Hexakis(alkylsulfonyl)benzenes. J Phys Chem A 2002. [DOI: 10.1021/jp025510p] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Bruno Fabre
- Laboratoire d'Electrochimie Moléculaire et Macromoléculaire (Synthèse et Electrosynthèse OrganiqueUnité Mixte de Recherche no. 6510 associée au CNRS), Université de Rennes 1, Campus de Beaulieu, 35042 Rennes Cedex, France
| | - Philippe Hapiot
- Laboratoire d'Electrochimie Moléculaire et Macromoléculaire (Synthèse et Electrosynthèse OrganiqueUnité Mixte de Recherche no. 6510 associée au CNRS), Université de Rennes 1, Campus de Beaulieu, 35042 Rennes Cedex, France
| | - Jacques Simonet
- Laboratoire d'Electrochimie Moléculaire et Macromoléculaire (Synthèse et Electrosynthèse OrganiqueUnité Mixte de Recherche no. 6510 associée au CNRS), Université de Rennes 1, Campus de Beaulieu, 35042 Rennes Cedex, France
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Sritana-Anant Y, Seiders TJ, Siegel JS. Design of Novel Aromatics using the Loschmidt Replacement on Graphs. Top Curr Chem (Cham) 1998. [DOI: 10.1007/3-540-69691-1_1] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/04/2022]
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Mayor M, Lehn JM. Potassium Cryptate of a Macrobicyclic Ligand Featuring a Reducible hexakis(phenylthio)benzene electron-acceptor site. Helv Chim Acta 1997. [DOI: 10.1002/hlca.19970800802] [Citation(s) in RCA: 14] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
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Are strongly bulky hexa[alkylsulfonyl] benzenes able to lead reversibly to the corresponding anion radicals? J Electroanal Chem (Lausanne) 1997. [DOI: 10.1016/s0022-0728(96)04937-6] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
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Conformational Analysis of Saturated Six-Membered Oxygen-Containing Heterocyclic Rings. ADVANCES IN HETEROCYCLIC CHEMISTRY 1997. [DOI: 10.1016/s0065-2725(08)60083-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 03/12/2023]
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37
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Bock H, Rauschenbach A, Näther C, Kleine M, Havlas Z. Wechselwirkungen in Molekülkristallen, 111. Kristallzüchtung und Strukturbestimmung von Donator/Akzeptor-Komplexen aus 1,2,4,5-Tetrakis(alkylthio)benzolen und Brom oder Iod. European J Org Chem 1996. [DOI: 10.1002/jlac.199619961232] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
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Tiecco M, Testaferri L, Tingoli M, Chianelli D, Bartoli D, Balducci R. The synthesis of bis(phenylselenenyl), b1s(alkylselenenyl)pyridines and of pyridylselenolate anions. Tetrahedron 1988. [DOI: 10.1016/s0040-4020(01)86193-7] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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Gilmore CJ, MacNicol DD, Mallinson PR, Murphy A, Russell MA. Crystal structure analysis of the carbon tetrabromide clathrate of hexakis(phenylseleno)benzene. J INCL PHENOM MACRO 1984. [DOI: 10.1007/bf00656763] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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41
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Gilmore CJ, MacNicol DD, Murphy A, Russell MA. Discovery and x-ray crystal structure of a new host compound: 1,3,4-tris(phenylthio)[1]benzothieno[3,2-]pyridine. Tetrahedron Lett 1984. [DOI: 10.1016/s0040-4039(01)81423-4] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/17/2022]
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42
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Synthesis of hexakis(aryloxy)benzenes: x-ray analysis of hexakis (phenyloxy) benzene and of the acetonitrile clathrate of hexakis (3,5-dimethylphenyloxy) benzene. Tetrahedron Lett 1983. [DOI: 10.1016/s0040-4039(00)88154-x] [Citation(s) in RCA: 24] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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