1
|
|
2
|
Pommerening P, Oestreich M. Chiral Modification of the Tetrakis(pentafluorophenyl)borate Anion with Myrtanyl Groups. European J Org Chem 2019. [DOI: 10.1002/ejoc.201901434] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
Affiliation(s)
- Phillip Pommerening
- Institut für Chemie Technische Universität Berlin Straße des 17. Juni 115 10623 Berlin Germany
| | - Martin Oestreich
- Institut für Chemie Technische Universität Berlin Straße des 17. Juni 115 10623 Berlin Germany
| |
Collapse
|
3
|
Schehr M, Ianes C, Weisner J, Heintze L, Müller MP, Pichlo C, Charl J, Brunstein E, Ewert J, Lehr M, Baumann U, Rauh D, Knippschild U, Peifer C, Herges R. 2-Azo-, 2-diazocine-thiazols and 2-azo-imidazoles as photoswitchable kinase inhibitors: limitations and pitfalls of the photoswitchable inhibitor approach. Photochem Photobiol Sci 2019; 18:1398-1407. [PMID: 30924488 DOI: 10.1039/c9pp00010k] [Citation(s) in RCA: 44] [Impact Index Per Article: 8.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/03/2023]
Abstract
In photopharmacology, photoswitchable compounds including azobenzene or other diarylazo moieties exhibit bioactivity against a target protein typically in the slender E-configuration, whereas the rather bulky Z-configuration usually is pharmacologically less potent. Herein we report the design, synthesis and photochemical/inhibitory characterization of new photoswitchable kinase inhibitors targeting p38α MAPK and CK1δ. A well characterized inhibitor scaffold was used to attach arylazo- and diazocine moieties. When the isolated isomers, or the photostationary state (PSS) of isomers, were tested in commonly used in vitro kinase assays, however, only small differences in activity were observed. X-ray analyses of ligand-bound p38α MAPK and CK1δ complexes revealed dynamic conformational adaptations of the protein with respect to both isomers. More importantly, irreversible reduction of the azo group to the corresponding hydrazine was observed. Independent experiments revealed that reducing agents such as DTT (dithiothreitol) and GSH (glutathione) that are typically used for protein stabilization in biological assays were responsible. Two further sources of error are the concentration dependence of the E-Z-switching efficiency and artefacts due to incomplete exclusion of light during testing. Our findings may also apply to a number of previously investigated azobenzene-based photoswitchable inhibitors.
Collapse
Affiliation(s)
- Miriam Schehr
- Otto Diels-Institute of Organic Chemistry, Christian Albrechts University Kiel, Otto-Hahn-Platz 4, 24118 Kiel, Germany.
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
Collapse
|
4
|
Zhang Q, Lv J, Luo S. Enantioselective Diels-Alder reaction of anthracene by chiral tritylium catalysis. Beilstein J Org Chem 2019; 15:1304-1312. [PMID: 31293679 PMCID: PMC6604712 DOI: 10.3762/bjoc.15.129] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/12/2019] [Accepted: 05/24/2019] [Indexed: 11/26/2022] Open
Abstract
The combination of the trityl cation and a chiral weakly coordinating Fe(III)-based bisphosphate anion was used to develop a new type of a highly active carbocation Lewis acid catalyst. The stereocontrol potential of the chiral tritylium ion pair was demonstrated by its application in an enantioselective Diels–Alder reaction of anthracene.
Collapse
Affiliation(s)
- Qichao Zhang
- Key Laboratory of Molecular Recognition and Function, Institute of Chemistry, Chinese Academy of Sciences, 100190, Beijing, China
| | - Jian Lv
- Key Laboratory of Molecular Recognition and Function, Institute of Chemistry, Chinese Academy of Sciences, 100190, Beijing, China.,State Key Laboratory Base of Eco-Chemical Engineering, College of Chemistry and Molecular Engineering, Qingdao University of Science & Technology, 266042, Qingdao, China
| | - Sanzhong Luo
- Key Laboratory of Molecular Recognition and Function, Institute of Chemistry, Chinese Academy of Sciences, 100190, Beijing, China.,Center of Basic Molecular Science (CBMS), Department of Chemistry, Tsinghua University, 100084, Beijing, China
| |
Collapse
|
5
|
Sakamoto N, Ohta M, Kokado K, Sada K. Synthesis of pyramidal tetraarylborate pentads. NEW J CHEM 2019. [DOI: 10.1039/c9nj01772k] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Tetrahedral tetraarylborate pentads were synthesized by a typical click reaction, copper-catalyzed azide–alkyne cyclization, which exhibited interesting ionic dissociation in low polar organic solvents.
Collapse
Affiliation(s)
- Nobuhito Sakamoto
- Graduate School of Chemical Sciences and Engineering and Faculty of Science
- Hokkaido University
- Sapporo
- Japan
| | - Masahiko Ohta
- Graduate School of Chemical Sciences and Engineering and Faculty of Science
- Hokkaido University
- Sapporo
- Japan
| | - Kenta Kokado
- Graduate School of Chemical Sciences and Engineering and Faculty of Science
- Hokkaido University
- Sapporo
- Japan
| | - Kazuki Sada
- Graduate School of Chemical Sciences and Engineering and Faculty of Science
- Hokkaido University
- Sapporo
- Japan
| |
Collapse
|
6
|
Hammer BAG, Müllen K. Expanding the limits of synthetic macromolecular chemistry through Polyphenylene Dendrimers. JOURNAL OF NANOPARTICLE RESEARCH : AN INTERDISCIPLINARY FORUM FOR NANOSCALE SCIENCE AND TECHNOLOGY 2018; 20:262. [PMID: 30363718 PMCID: PMC6182379 DOI: 10.1007/s11051-018-4364-6] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 03/28/2018] [Accepted: 08/17/2018] [Indexed: 06/08/2023]
Abstract
Polyphenylene dendrimers (PPDs) are a unique class of macromolecules because their backbone is made from twisted benzene repeat units that result in a rigid, shape-persistent architecture as reported by Hammer et al. (Chem Soc Rev 44:4072-4090, 2015) and Hammer and Müllen (Chem Rev 116:2103-210, 2016) These dendrimers can be synthetically tailored at their core, scaffold, and surface to introduce a wide range of chemical functionalities that influence their applications. It is the balance between the macromolecular properties of polyphenylene dendrimers with grandiose synthetic ingenuity that presents a template for the next generation of synthetic dendrimers to achieve complex structures other chemistry fields cannot. This perspective will look at how advances in synthetic chemistry have led to an explosion in the properties of polyphenylene dendrimers from their initial stage, as PPDs that were used as precursors for nanographenes, to next-generation dendrimers for organic electronic devices, sensors for volatile organic compounds (VOCs), nanocarriers for small molecules, and even as complexes with therapeutic drugs and viruses, among others. Ideally, this perspective will illustrate how the evolution of synthetic chemistry has influenced the possible structures and properties of PPDs and how these chemical modifications have opened the door to unprecedented applications.
Collapse
Affiliation(s)
- Brenton A. G. Hammer
- Department of Chemistry and Biochemistry, California State University Northridge, 18111 Nordhoff St. 91330, Northridge, CA USA
| | - Klaus Müllen
- Max Planck Institute for Polymer Research, Ackermannweg 10, 55128 Mainz, Germany
| |
Collapse
|
7
|
Riddlestone IM, Kraft A, Schaefer J, Krossing I. Die Schöne (WCA) und das (kationische) Biest: Neues aus der Chemie von und mit schwach koordinierenden Anionen. Angew Chem Int Ed Engl 2018. [DOI: 10.1002/ange.201710782] [Citation(s) in RCA: 85] [Impact Index Per Article: 14.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/09/2023]
Affiliation(s)
- Ian M. Riddlestone
- Institut für Anorganische und Analytische Chemie; Freiburger Materialforschungszentrum (FMF); Universität Freiburg; Albertstraße 21 79104 Freiburg Deutschland
| | - Anne Kraft
- Institut für Anorganische und Analytische Chemie; Freiburger Materialforschungszentrum (FMF); Universität Freiburg; Albertstraße 21 79104 Freiburg Deutschland
| | - Julia Schaefer
- Institut für Anorganische und Analytische Chemie; Freiburger Materialforschungszentrum (FMF); Universität Freiburg; Albertstraße 21 79104 Freiburg Deutschland
| | - Ingo Krossing
- Institut für Anorganische und Analytische Chemie; Freiburger Materialforschungszentrum (FMF); Universität Freiburg; Albertstraße 21 79104 Freiburg Deutschland
| |
Collapse
|
8
|
Riddlestone IM, Kraft A, Schaefer J, Krossing I. Taming the Cationic Beast: Novel Developments in the Synthesis and Application of Weakly Coordinating Anions. Angew Chem Int Ed Engl 2018; 57:13982-14024. [PMID: 29266644 DOI: 10.1002/anie.201710782] [Citation(s) in RCA: 251] [Impact Index Per Article: 41.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/19/2017] [Indexed: 12/11/2022]
Abstract
This Review gives a comprehensive overview of the most topical weakly coordinating anions (WCAs) and contains information on WCA design, stability, and applications. As an update to the 2004 review, developments in common classes of WCA are included. Methods for the incorporation of WCAs into a given system are discussed and advice given on how to best choose a method for the introduction of a particular WCA. A series of starting materials for a large number of WCA precursors and references are tabulated as a useful resource when looking for procedures to prepare WCAs. Furthermore, a collection of scales that allow the performance of a WCA, or its underlying Lewis acid, to be judged is collated with some advice on how to use them. The examples chosen to illustrate WCA developments are taken from a broad selection of topics where WCAs play a role. In addition a section focusing on transition metal and catalysis applications as well as supporting electrolytes is also included.
Collapse
Affiliation(s)
- Ian M Riddlestone
- Institut für Anorganische und Analytische Chemie and Freiburger Materialforschungszentrum (FMF), Universität Freiburg, Albertstrasse 21, 79104, Freiburg, Germany
| | - Anne Kraft
- Institut für Anorganische und Analytische Chemie and Freiburger Materialforschungszentrum (FMF), Universität Freiburg, Albertstrasse 21, 79104, Freiburg, Germany
| | - Julia Schaefer
- Institut für Anorganische und Analytische Chemie and Freiburger Materialforschungszentrum (FMF), Universität Freiburg, Albertstrasse 21, 79104, Freiburg, Germany
| | - Ingo Krossing
- Institut für Anorganische und Analytische Chemie and Freiburger Materialforschungszentrum (FMF), Universität Freiburg, Albertstrasse 21, 79104, Freiburg, Germany
| |
Collapse
|
9
|
Iseda K, Kokado K, Sada K. Direct Detection of the Ion Pair to Free Ions Transformation upon Complexation with an Ion Receptor in Non-Polar Solvents by using Conductometry. ChemistryOpen 2018; 7:269-274. [PMID: 29610717 PMCID: PMC5878105 DOI: 10.1002/open.201800014] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/29/2018] [Indexed: 11/29/2022] Open
Abstract
In this study, we performed conductometry in various organic solvents to directly detect the transformation from tetrabutylammonium chloride (TBACl) ion‐pair salt to the free ions through complexation with meso‐octamethylcalix[4]pyrrole (CP), which is a well‐known receptor for chloride anions. In the presence of CP, the conductivity of TBACl increases in various non‐polar solvents, indicating that complexation with CP enhances the ionic dissociation of TBACl in such non‐polar solvents. In other words, CP recognizes chloride as an ion‐paired salt as well as a free anion in non‐polar solvents. Additionally, the TBA(CP–Cl) complex exhibited a considerably lower ion‐pairing constant (Kip) than TBACl in non‐polar solvents, resulting in enhanced conductivity. Based on these findings, we can conclude that complexation of an anion with a hydrophobic anion receptor will be useful for creating functional and stimuli‐responsive soft materials in organic solvents using coulombic forces.
Collapse
Affiliation(s)
- Kazuya Iseda
- Department of Chemistry, Faculty of Science and Graduate School of Chemical Sciences and Engineering Hokkaido University Kita10 Nishi8, Kita-ku, Sapporo Hokkaido 060-0810 Japan
| | - Kenta Kokado
- Department of Chemistry, Faculty of Science and Graduate School of Chemical Sciences and Engineering Hokkaido University Kita10 Nishi8, Kita-ku, Sapporo Hokkaido 060-0810 Japan
| | - Kazuki Sada
- Department of Chemistry, Faculty of Science and Graduate School of Chemical Sciences and Engineering Hokkaido University Kita10 Nishi8, Kita-ku, Sapporo Hokkaido 060-0810 Japan
| |
Collapse
|
10
|
Abstract
Complexation of metal ion controls the photoswitching of a push–pull azobenzene derivative.
Collapse
Affiliation(s)
- Yu Ouyang
- School of Chemistry
- Sun Yat-Sen University
- Guangzhou 510275
- China
| | - Ziyong Yuan
- School of Chemistry
- Sun Yat-Sen University
- Guangzhou 510275
- China
| | - Jiaobing Wang
- School of Chemistry
- Sun Yat-Sen University
- Guangzhou 510275
- China
| |
Collapse
|
11
|
Li Z, Yuan X, Feng Y, Chen Y, Zhao Y, Wang H, Xu Q, Wang J. A reversible conductivity modulation of azobenzene-based ionic liquids in aqueous solutions using UV/vis light. Phys Chem Chem Phys 2018; 20:12808-12816. [DOI: 10.1039/c8cp01617h] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/02/2023]
Abstract
The conductivity of azobenzene-based ionic liquids in water can be reversibly and efficiently modulated using UV/vis light irradiation.
Collapse
Affiliation(s)
- Zhiyong Li
- Collaborative Innovation Center of Henan Province for Green Manufacturing of Fine Chemicals
- Key Laboratory of Green Chemical Media and Reactions
- Ministry of Education
- School of Chemistry and Chemical Engineering
- Henan Normal University
| | - Xiaoqing Yuan
- Collaborative Innovation Center of Henan Province for Green Manufacturing of Fine Chemicals
- Key Laboratory of Green Chemical Media and Reactions
- Ministry of Education
- School of Chemistry and Chemical Engineering
- Henan Normal University
| | - Ying Feng
- Collaborative Innovation Center of Henan Province for Green Manufacturing of Fine Chemicals
- Key Laboratory of Green Chemical Media and Reactions
- Ministry of Education
- School of Chemistry and Chemical Engineering
- Henan Normal University
| | - Yongkui Chen
- Collaborative Innovation Center of Henan Province for Green Manufacturing of Fine Chemicals
- Key Laboratory of Green Chemical Media and Reactions
- Ministry of Education
- School of Chemistry and Chemical Engineering
- Henan Normal University
| | - Yuling Zhao
- Collaborative Innovation Center of Henan Province for Green Manufacturing of Fine Chemicals
- Key Laboratory of Green Chemical Media and Reactions
- Ministry of Education
- School of Chemistry and Chemical Engineering
- Henan Normal University
| | - Huiyong Wang
- Collaborative Innovation Center of Henan Province for Green Manufacturing of Fine Chemicals
- Key Laboratory of Green Chemical Media and Reactions
- Ministry of Education
- School of Chemistry and Chemical Engineering
- Henan Normal University
| | - Qingli Xu
- Collaborative Innovation Center of Henan Province for Green Manufacturing of Fine Chemicals
- Key Laboratory of Green Chemical Media and Reactions
- Ministry of Education
- School of Chemistry and Chemical Engineering
- Henan Normal University
| | - Jianji Wang
- Collaborative Innovation Center of Henan Province for Green Manufacturing of Fine Chemicals
- Key Laboratory of Green Chemical Media and Reactions
- Ministry of Education
- School of Chemistry and Chemical Engineering
- Henan Normal University
| |
Collapse
|
12
|
Zhao JP, Xu J, Han SD, Wang QL, Bu XH. A Niccolite Structural Multiferroic Metal-Organic Framework Possessing Four Different Types of Bistability in Response to Dielectric and Magnetic Modulation. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2017; 29:1606966. [PMID: 28401592 DOI: 10.1002/adma.201606966] [Citation(s) in RCA: 82] [Impact Index Per Article: 11.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/26/2016] [Revised: 02/14/2017] [Indexed: 06/07/2023]
Abstract
Multiple switchable physical properties have been demonstrated in one single niccolite structural metal-organic framework, [(CH3 CH2 )2 NH2 ][FeIII FeII (HCOO)6 ] (1), including (i) a reversible ferroelastic phase transition triggered by freezing the disordered (CH3 CH2 )2 NH2+ cations, (ii) a thermally switchable dielectric constant transition accompanied by phase transition, and (iii) thermal and positive magnetic field driven magnetic poles reversal at low temperatures, attributed to different responses of the magnetization of FeII and FeIII sublattices to external stimuli. More interestingly, the exchange anisotropy between the two sublattices can also give rise to tunable positive and negative exchange bias fields. Straightforwardly, such diverse demonstrations of bistability in one single material (depending on the specific tuning way) will provide extra freedom and flexibility for the design of switcher devices.
Collapse
Affiliation(s)
- Jiong-Peng Zhao
- State Key Laboratory of Elemento-Organic Chemistry, College of Chemistry, Nankai University, Tianjin, 300071, China
- School of Chemistry and Chemical Engineering, TKL of Organic Solar Cells and Photochemical Conversion, Tianjin University of Technology, Tianjin, 300387, China
| | - Jian Xu
- School of Materials Science and Engineering, TKL of Metal and Molecule-Based Material Chemistry, Collaborative Innovation Center of Chemical Science and Engineering (Tianjin), Nankai University, Tianjin, 300350, China
| | - Song-De Han
- State Key Laboratory of Elemento-Organic Chemistry, College of Chemistry, Nankai University, Tianjin, 300071, China
| | - Qing-Lun Wang
- State Key Laboratory of Elemento-Organic Chemistry, College of Chemistry, Nankai University, Tianjin, 300071, China
| | - Xian-He Bu
- State Key Laboratory of Elemento-Organic Chemistry, College of Chemistry, Nankai University, Tianjin, 300071, China
- School of Materials Science and Engineering, TKL of Metal and Molecule-Based Material Chemistry, Collaborative Innovation Center of Chemical Science and Engineering (Tianjin), Nankai University, Tianjin, 300350, China
| |
Collapse
|
13
|
Pommerening P, Mohr J, Friebel J, Oestreich M. Synthesis of a Chiral Borate Counteranion, Its Trityl Salt, and Application Thereof in Lewis‐Acid Catalysis. European J Org Chem 2017. [DOI: 10.1002/ejoc.201700239] [Citation(s) in RCA: 24] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/13/2023]
Affiliation(s)
- Phillip Pommerening
- Institut für Chemie Technische Universität Berlin Straße des 17. Juni 115 10623 Berlin Germany
| | - Jens Mohr
- Institut für Chemie Technische Universität Berlin Straße des 17. Juni 115 10623 Berlin Germany
| | - Jonas Friebel
- Institut für Chemie Technische Universität Berlin Straße des 17. Juni 115 10623 Berlin Germany
| | - Martin Oestreich
- Institut für Chemie Technische Universität Berlin Straße des 17. Juni 115 10623 Berlin Germany
| |
Collapse
|
14
|
Basak S, Nandi N, Bhattacharyya K, Datta A, Banerjee A. Fluorescence from an H-aggregated naphthalenediimide based peptide: photophysical and computational investigation of this rare phenomenon. Phys Chem Chem Phys 2016; 17:30398-403. [PMID: 26508537 DOI: 10.1039/c5cp05236j] [Citation(s) in RCA: 35] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Abstract
Fluorescence associated with J-aggregated naphthalenediimides (NDIs) is common. However, in this study an NDI based synthetic peptide molecule is found to form a fluorescent H-aggregate in a chloroform (CHCl3)-methylcyclohexane (MCH) mixture. An attempt has been made to explain the unusual fluorescence property of this H-aggregated NDI derivative. Time correlated single photon counting (TCSPC) shows that the average lifetime of the NDI based molecule is on the order of a few nanoseconds. It is revealed from the computational study that the transition from the second exited state (S2) to the ground energy state (S0) is responsible for the fluorescence as S1 is a dark state. Such rare violation of Kasha's rule accounts for the unusual fluorescence properties of this type of NDI molecule in the H-aggregated state.
Collapse
Affiliation(s)
- Shibaji Basak
- Department of Biological Chemistry, Indian Association for the Cultivation of Science, Jadavpur, Kolkata - 700 032, India.
| | - Nibedita Nandi
- Department of Biological Chemistry, Indian Association for the Cultivation of Science, Jadavpur, Kolkata - 700 032, India.
| | - Kalishankar Bhattacharyya
- Department of Spectroscopy, Indian Association for the Cultivation of Science, Jadavpur, Kolkata - 700 032, India.
| | - Ayan Datta
- Department of Spectroscopy, Indian Association for the Cultivation of Science, Jadavpur, Kolkata - 700 032, India.
| | - Arindam Banerjee
- Department of Biological Chemistry, Indian Association for the Cultivation of Science, Jadavpur, Kolkata - 700 032, India.
| |
Collapse
|
15
|
Zhang X, Hou L, Samorì P. Coupling carbon nanomaterials with photochromic molecules for the generation of optically responsive materials. Nat Commun 2016; 7:11118. [PMID: 27067387 PMCID: PMC4832057 DOI: 10.1038/ncomms11118] [Citation(s) in RCA: 119] [Impact Index Per Article: 14.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/08/2015] [Accepted: 02/18/2016] [Indexed: 02/08/2023] Open
Abstract
Multifunctional carbon-based nanomaterials offer routes towards the realization of smart and high-performing (opto)electronic (nano)devices, sensors and logic gates. Meanwhile photochromic molecules exhibit reversible transformation between two forms, induced by the absorption of electromagnetic radiation. By combining carbon-based nanomaterials with photochromic molecules, one can achieve reversible changes in geometrical structure, electronic properties and nanoscale mechanics triggering by light. This thus enables a reversible modulation of numerous physical and chemical properties of the carbon-based nanomaterials towards the fabrication of cognitive devices. This review examines the state of the art with respect to these responsive materials, and seeks to identify future directions for investigation.
Collapse
Affiliation(s)
- Xiaoyan Zhang
- ISIS & icFRC, Université de Strasbourg & CNRS, 8 allée Gaspard Monge, Strasbourg 67000, France
| | - Lili Hou
- ISIS & icFRC, Université de Strasbourg & CNRS, 8 allée Gaspard Monge, Strasbourg 67000, France
| | - Paolo Samorì
- ISIS & icFRC, Université de Strasbourg & CNRS, 8 allée Gaspard Monge, Strasbourg 67000, France
| |
Collapse
|
16
|
Ulatowski F, Dąbrowa K, Jurczak J. Supramolecular detection of geometrical differences of azobenzene carboxylates. Tetrahedron Lett 2016. [DOI: 10.1016/j.tetlet.2016.03.043] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
|
17
|
Abstract
Azobenzene is the most extensively used class of chromophore in a large variety of applications.
Collapse
Affiliation(s)
- Estelle Léonard
- Sorbonne Universités
- Université de Technologie de Compiègne
- Ecole Supérieure de Chimie Organique et Minérale
- EA4297 Transformations Chimiques de la Matière Renouvelable
- Centre de Recherche Royallieu
| | - Floriane Mangin
- Sorbonne Universités
- Université de Technologie de Compiègne
- Ecole Supérieure de Chimie Organique et Minérale
- EA4297 Transformations Chimiques de la Matière Renouvelable
- Centre de Recherche Royallieu
| | - Carole Villette
- Sorbonne Universités
- Université de Technologie de Compiègne
- Ecole Supérieure de Chimie Organique et Minérale
- EA4297 Transformations Chimiques de la Matière Renouvelable
- Centre de Recherche Royallieu
| | - Muriel Billamboz
- Sorbonne Universités
- Université de Technologie de Compiègne
- Ecole Supérieure de Chimie Organique et Minérale
- EA4297 Transformations Chimiques de la Matière Renouvelable
- Centre de Recherche Royallieu
| | - Christophe Len
- Sorbonne Universités
- Université de Technologie de Compiègne
- Ecole Supérieure de Chimie Organique et Minérale
- EA4297 Transformations Chimiques de la Matière Renouvelable
- Centre de Recherche Royallieu
| |
Collapse
|
18
|
Hammer BAG, Müllen K. Dimensional Evolution of Polyphenylenes: Expanding in All Directions. Chem Rev 2015; 116:2103-40. [DOI: 10.1021/acs.chemrev.5b00515] [Citation(s) in RCA: 100] [Impact Index Per Article: 11.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Brenton A. G. Hammer
- Max Planck Institute for Polymer Research, Ackermannweg
10, 55128, Mainz, Germany
| | - Klaus Müllen
- Max Planck Institute for Polymer Research, Ackermannweg
10, 55128, Mainz, Germany
| |
Collapse
|
19
|
Hammer BAG, Moritz R, Stangenberg R, Baumgarten M, Müllen K. The polar side of polyphenylene dendrimers. Chem Soc Rev 2015; 44:4072-90. [DOI: 10.1039/c4cs00245h] [Citation(s) in RCA: 30] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Abstract
The site-specific functionalization of poly(phenylene) dendrimers can produce macromolecules with a range of different polarities.
Collapse
Affiliation(s)
| | - Ralf Moritz
- Max-Planck-Institut für Polymerforschung
- 55128 Mainz
- Germany
| | | | | | - Klaus Müllen
- Max-Planck-Institut für Polymerforschung
- 55128 Mainz
- Germany
| |
Collapse
|
20
|
Ishiba K, Morikawa MA, Chikara C, Yamada T, Iwase K, Kawakita M, Kimizuka N. Photoliquefiable Ionic Crystals: A Phase Crossover Approach for Photon Energy Storage Materials with Functional Multiplicity. Angew Chem Int Ed Engl 2014. [DOI: 10.1002/ange.201410184] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
|
21
|
Ishiba K, Morikawa MA, Chikara C, Yamada T, Iwase K, Kawakita M, Kimizuka N. Photoliquefiable Ionic Crystals: A Phase Crossover Approach for Photon Energy Storage Materials with Functional Multiplicity. Angew Chem Int Ed Engl 2014; 54:1532-6. [DOI: 10.1002/anie.201410184] [Citation(s) in RCA: 113] [Impact Index Per Article: 11.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/17/2014] [Indexed: 11/07/2022]
|
22
|
Müllen K. Evolution of graphene molecules: structural and functional complexity as driving forces behind nanoscience. ACS NANO 2014; 8:6531-6541. [PMID: 25012545 DOI: 10.1021/nn503283d] [Citation(s) in RCA: 104] [Impact Index Per Article: 10.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/03/2023]
Abstract
The evolution of nanoscience is based on the ability of the fields of chemistry and physics to share competencies through mutually beneficial collaborations. With this in mind, in this Perspective, I describe three classes of compounds: rylene dyes, polyphenylene dendrimers, as well as nanographene molecules and graphene nanoribbons, which have provided a superb platform to nurture these relationships. The synthesis of these complex structures is demanding but also rewarding because they stimulate unique investigations at the single-molecule level by scanning tunneling microscopy and single-molecule spectroscopy. There are close functional and structural relationships between the molecules chosen. In particular, rylenes and nanographenes can be regarded as honeycomb-type, discoid species composed of fused benzene rings. The benzene ring can thus be regarded as a universal modular building block. Polyphenylene dendrimers serve, first, as a scaffold for dyes en route to multichromophoric systems and, second, as chemical precursors for graphene synthesis. Through chemical design, it is possible to tune the properties of these systems at the single-molecule level and to achieve nanoscale control over their self-assembly to form multifunctional (nano)materials.
Collapse
Affiliation(s)
- Klaus Müllen
- Max-Planck-Institute for Polymer Research , Ackermannweg 10, D-55128 Mainz, Germany
| |
Collapse
|
23
|
Yu H, Schlüter AD, Zhang B. Synthesis of High Generation Dendronized Polymers and Quantification of Their Structure Perfection. Macromolecules 2014. [DOI: 10.1021/ma500821n] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/24/2023]
Affiliation(s)
- Hao Yu
- Department of Materials,
Laboratory of Polymer Chemistry, ETH Zürich, HCI G523, Vladimir-Prelog Weg 5, 8093 Zürich, Switzerland
| | - A. Dieter Schlüter
- Department of Materials,
Laboratory of Polymer Chemistry, ETH Zürich, HCI G523, Vladimir-Prelog Weg 5, 8093 Zürich, Switzerland
| | - Baozhong Zhang
- Department of Materials,
Laboratory of Polymer Chemistry, ETH Zürich, HCI G523, Vladimir-Prelog Weg 5, 8093 Zürich, Switzerland
| |
Collapse
|
24
|
Jiang X, Rodríguez-Molina B, Nazarian N, Garcia-Garibay MA. Rotation of a bulky triptycene in the solid state: toward engineered nanoscale artificial molecular machines. J Am Chem Soc 2014; 136:8871-4. [PMID: 24911467 DOI: 10.1021/ja503467e] [Citation(s) in RCA: 56] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/19/2023]
Abstract
We report the design and dynamics of a solid-state molecular rotor with a large triptycene rotator. With a cross-section and surface area that are 2 and 3 times larger than those of the phenylene rotators previously studied in the solid state, it is expected that van der Waals forces and steric hindrance will render the motion of the larger triptycene more difficult. To address this challenge, we used a rigid and shape-persistent stator in a dendritic structure that reaches ca. 3.6 nm in length. Using variable-temperature solid-state (2)H NMR spectroscopy, we determined a symmetric three-fold rotational potential with a barrier of 10.2 kcal/mol and a pre-exponential factor of 1.1 × 10(10) s(-1), which correspond to ca. 4600 Brownian jumps per second in the solid state at 300 K.
Collapse
Affiliation(s)
- Xing Jiang
- Department of Chemistry and Biochemistry, University of California , Los Angeles, California 90095-1569, United States
| | | | | | | |
Collapse
|
25
|
Arulkashmir A, Jain B, John JC, Roy K, Krishnamoorthy K. Chemically doped perylene diimide lamellae based field effect transistor with low operating voltage and high charge carrier mobility. Chem Commun (Camb) 2014; 50:326-8. [DOI: 10.1039/c3cc45391j] [Citation(s) in RCA: 27] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
|
26
|
Plamper FA. Changing Polymer Solvation by Electrochemical Means: Basics and Applications. POROUS CARBONS – HYPERBRANCHED POLYMERS – POLYMER SOLVATION 2014. [DOI: 10.1007/12_2014_284] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
|
27
|
Binder K, Butt HJ, Floudas G, Frey H, Hsu HP, Landfester K, Kolb U, Kühnle A, Maskos M, Müllen K, Paul W, Schmidt M, Spiess HW, Virnau P. Structure Formation of Polymeric Building Blocks: Complex Polymer Architectures. FROM SINGLE MOLECULES TO NANOSCOPICALLY STRUCTURED MATERIALS 2013. [DOI: 10.1007/12_2013_230] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/03/2022]
|