1
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Nieland E, Voss J, Schmidt BM. Photoresponsive Supramolecular Cages and Macrocycles. Chempluschem 2023; 88:e202300353. [PMID: 37638597 DOI: 10.1002/cplu.202300353] [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: 07/08/2023] [Revised: 08/27/2023] [Accepted: 08/28/2023] [Indexed: 08/29/2023]
Abstract
The utilisation of light to achieve precise manipulation and control over the structure and function of supramolecular assemblies has emerged as a highly promising approach in the development of complex, configurable, or multifunctional systems and nanoscopic machine-like entities. In this minireview, we highlight recent examples of self-assembled and covalently bound cages and macrocycles with a focus on the external and internal functionalisation of a structure with a photoswitchable unit or the embedment of a photoswitch into the framework of a structure. Functionalising the interior or exterior of a supramolecular cage or macrocycle with a photoresponsive group enables control over different properties, such as guest binding or assembly in the solid-state, while the overall shape of the assembly often undergoes no significant change. By directly integrating a photoswitchable unit into the framework of a supramolecular structure, the isomerisation can either induce a geometry change, the disassembly, or the disassembly and reassembly of the structure. Historical and recent examples covered in this review are based on azobenzene, diarylethene, stilbene photoswitches, or alkene motors that were incorporated into macrocycles and cages constructed by metal-organic, dynamic covalent, or covalent bonds.
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Affiliation(s)
- Esther Nieland
- Institut für Organische Chemie und Makromolekulare Chemie, Heinrich-Heine-Universität Düsseldorf, Universitätsstraße 1, 40225, Düsseldorf, Germany
| | - Jona Voss
- Institut für Organische Chemie und Makromolekulare Chemie, Heinrich-Heine-Universität Düsseldorf, Universitätsstraße 1, 40225, Düsseldorf, Germany
| | - Bernd M Schmidt
- Institut für Organische Chemie und Makromolekulare Chemie, Heinrich-Heine-Universität Düsseldorf, Universitätsstraße 1, 40225, Düsseldorf, Germany
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2
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Kumar P, Gupta D, Grewal S, Srivastava A, Kumar Gaur A, Venkataramani S. Multiple Azoarenes Based Systems - Photoswitching, Supramolecular Chemistry and Application Prospects. CHEM REC 2022; 22:e202200074. [PMID: 35860915 DOI: 10.1002/tcr.202200074] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/31/2022] [Revised: 06/16/2022] [Indexed: 11/05/2022]
Abstract
In the recent decades, the investigations on photoresponsive molecular systems with multiple azoarenes are quite popular in diverse perspectives ranging from fundamental understanding of multiple photoswitches, supramolecular chemistry, and various application prospects. In fact, several insightful and conceptual designs of such systems were investigated with architectural distinctions. In particular, the demonstration of applications such as data storage with the help of multistate or orthogonal photoswitches, light modulation of catalysis via cooperative switching, sensors using supramolecular host-guest interactions, and materials such as liquid crystals, grating, actuators, etc. are some of the milestones in this area. Herein, we cover the recent advancements in the research areas of multiazoarenes containing systems that have been classified into Type-1 {linear, non-linear, and core-based (A)}, Type-2 {tripodal C3 -symmetric (C3)} and Type-3 {macrocyclic (M)} structural motifs.
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Affiliation(s)
- Pravesh Kumar
- Department of Chemical Sciences, Indian Institute of Science Education and Research (IISER) Mohali, Sector 81, Knowledge City, SAS Nagar, Manauli (PO), Punjab, 140306, INDIA
| | - Debapriya Gupta
- Department of Chemical Sciences, Indian Institute of Science Education and Research (IISER) Mohali, Sector 81, Knowledge City, SAS Nagar, Manauli (PO), Punjab, 140306, INDIA
| | - Surbhi Grewal
- Department of Chemical Sciences, Indian Institute of Science Education and Research (IISER) Mohali, Sector 81, Knowledge City, SAS Nagar, Manauli (PO), Punjab, 140306, INDIA
| | - Anjali Srivastava
- Department of Chemical Sciences, Indian Institute of Science Education and Research (IISER) Mohali, Sector 81, Knowledge City, SAS Nagar, Manauli (PO), Punjab, 140306, INDIA
| | - Ankit Kumar Gaur
- Department of Chemical Sciences, Indian Institute of Science Education and Research (IISER) Mohali, Sector 81, Knowledge City, SAS Nagar, Manauli (PO), Punjab, 140306, INDIA
| | - Sugumar Venkataramani
- Department of Chemical Sciences, Indian Institute of Science Education and Research (IISER) Mohali, Sector 81, Knowledge City, SAS Nagar, Manauli (PO), Punjab, 140306, INDIA
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3
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Sokołowska P, Dąbrowa K, Jarosz S. Visible-Light Responsive Sucrose-Containing Macrocyclic Host for Cations. Org Lett 2021; 23:2687-2692. [PMID: 33729804 PMCID: PMC8041374 DOI: 10.1021/acs.orglett.1c00590] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Abstract
Chiral photoresponsive host 1 was prepared by a high-yield Cs2CO3-templated macrocyclization. Trans-1 transforms into long-lived cis-1 (25 days) upon irradiation with green light, and the backward transformation is triggered by blue light. Both isomers prefer potassium among alkali metal cations, and cis-1 binds cations stronger than trans-1 (Kcis/Ktrans ≤ 4.1). 1H NMR titration experiments as well as density functional theory studies reveal that sucrose ring oxygen residues and azobenzene nitrogen atoms in 1 contribute to cation coordination.
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Affiliation(s)
- Patrycja Sokołowska
- Institute of Organic Chemistry, Polish Academy of Sciences, Kasprzaka 44/52, 01-224 Warsaw, Poland
| | - Kajetan Dąbrowa
- Institute of Organic Chemistry, Polish Academy of Sciences, Kasprzaka 44/52, 01-224 Warsaw, Poland
| | - Sławomir Jarosz
- Institute of Organic Chemistry, Polish Academy of Sciences, Kasprzaka 44/52, 01-224 Warsaw, Poland
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4
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Gupta D, Gaur AK, Kumar P, Kumar H, Mahadevan A, Devi S, Roy S, Venkataramani S. Tuning of Bistability, Thermal Stability of the Metastable States, and Application Prospects in the C 3 -Symmetric Designs of Multiple Azo(hetero)arenes Systems. Chemistry 2021; 27:3463-3472. [PMID: 33107995 DOI: 10.1002/chem.202004620] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/19/2020] [Indexed: 12/15/2022]
Abstract
Light-responsive molecular systems with multiple photoswitches in C3 -symmetric designs have enormous application potential. The design part of such molecular systems is critical due to its influence in several properties associated with the photoswitches. In order to tune, and in the evaluation of the design-property relationship, we synthesized 18 tripodal systems with variations in the core, linkers, connectivity, and azo(hetero)arene photoswitches. Through extensive spectroscopic and computational studies, we envisaged the factors controlling near-quantitative photoisomerization in both the directions (bistability) and the thermal stability of the metastable states. Furthermore, we also evaluated the impact of designs in obtaining reversible photo-responsive sol-gel phase transitions, solvatochromism, photo- and thermochromism.
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Affiliation(s)
- Debapriya Gupta
- Department of Chemical Sciences, Indian Institute of Science Education and Research (IISER) Mohali, Sector 81, SAS Nagar, Knowledge City, Manauli, 140306, Punjab, India
| | - Ankit Kumar Gaur
- Department of Chemical Sciences, Indian Institute of Science Education and Research (IISER) Mohali, Sector 81, SAS Nagar, Knowledge City, Manauli, 140306, Punjab, India
| | - Pravesh Kumar
- Department of Chemical Sciences, Indian Institute of Science Education and Research (IISER) Mohali, Sector 81, SAS Nagar, Knowledge City, Manauli, 140306, Punjab, India
| | - Himanshu Kumar
- Department of Chemical Sciences, Indian Institute of Science Education and Research (IISER) Mohali, Sector 81, SAS Nagar, Knowledge City, Manauli, 140306, Punjab, India
| | - Anjali Mahadevan
- Department of Chemical Sciences, Indian Institute of Science Education and Research (IISER) Mohali, Sector 81, SAS Nagar, Knowledge City, Manauli, 140306, Punjab, India
| | - Sudha Devi
- Department of Chemical Sciences, Indian Institute of Science Education and Research (IISER) Mohali, Sector 81, SAS Nagar, Knowledge City, Manauli, 140306, Punjab, India
| | - Saonli Roy
- Department of Chemical Sciences, Indian Institute of Science Education and Research (IISER) Mohali, Sector 81, SAS Nagar, Knowledge City, Manauli, 140306, Punjab, India
| | - Sugumar Venkataramani
- Department of Chemical Sciences, Indian Institute of Science Education and Research (IISER) Mohali, Sector 81, SAS Nagar, Knowledge City, Manauli, 140306, Punjab, India
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5
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Oshchepkov AS, Namashivaya SSR, Khrustalev VN, Hampel F, Laikov DN, Kataev EA. Control of Photoisomerization of an Azoazacryptand by Anion Binding and Cucurbit[8]uril Encapsulation in an Aqueous Solution. J Org Chem 2020; 85:9255-9263. [PMID: 32584036 DOI: 10.1021/acs.joc.0c01260] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
Control of isomerization of a receptor bearing multiple light-switchable subunits in a confined space is critical for the design of synthetic molecular machines. Toward this goal, a new azacryptand containing three azobenzene subunits has been developed, and its photoisomerization in an aqueous solution has been studied depending on anion coordination and recognition by a larger host-cucurbit[8]uril (CB[8]). The cryptand in its hexaprotonated form shows considerable affinity for fluoride and perchlorate, which in turn affects the isomer distribution of the receptor under UV-light irradiation, stabilizing the isomers of the cryptand with Z-configurations. CB[8] was found to be able to encapsulate the isomers of the cryptand by forming a Matryoshka-type complex. The irradiation of a 10:1 CB[8]-cryptand mixture has led to a selective conversion of the cryptand to the E,E,Z isomer inside CB[8]. It has been demonstrated that the addition of fluoride to the resulted complex induces the release of the cryptand as a major E,E,E isomer, while other studied anions were ineffective in this reaction. To our knowledge, this work presents a first example of a host-controlled photoisomerization of an anion receptor bearing multiple switching azobenzenes that model the function of naturally occurring chaperones.
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Affiliation(s)
| | - Siva S R Namashivaya
- Faculty of Natural Sciences, Technische Universität Chemnitz, 09107 Chemnitz, Germany
| | - Victor N Khrustalev
- Peoples' Friendship University of Russia (RUDN University), 117198 Moscow, Russia
| | - Frank Hampel
- Department of Chemistry and Pharmacy, University Erlangen-Nürnberg, Nikolaus-Fiebiger-Str. 10, 91058 Erlangen, Germany
| | - Dimitri N Laikov
- Chemistry Department, Moscow State University, Leninskie Gory, Building 1/3, GSP-1, Moscow 119991, Russia
| | - Evgeny A Kataev
- Department of Chemistry and Pharmacy, University Erlangen-Nürnberg, Nikolaus-Fiebiger-Str. 10, 91058 Erlangen, Germany
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6
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Heindl AH, Becker J, Wegner HA. Selective switching of multiple azobenzenes. Chem Sci 2019; 10:7418-7425. [PMID: 31489164 PMCID: PMC6713861 DOI: 10.1039/c9sc02347j] [Citation(s) in RCA: 33] [Impact Index Per Article: 6.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/14/2019] [Accepted: 06/21/2019] [Indexed: 12/13/2022] Open
Abstract
Multi-state photoswitchable compounds are highly attractive for application in data storage or multi-responsive materials. Herein, a trisazobenzene macrocycle is presented, which can be switched selectively into three individual states.
Multi-state photoswitchable compounds are highly attractive for application in data storage or multi-responsive materials. In this work, a trisazobenzene macrocycle capable of three-state isomerization is presented. The compound can be switched into each of the states with more than 70% of the isomer solely by light and heat as stimuli representing the first example for an oligo-azobenzene containing identical photochromic units which can be selectively adressed. Detailed spectroscopic, crystallographic, HPLC as well as computational investigations and the comparison to a less and a higher strained derivative revealed macrocyclic ring strain to be responsible for the compounds unique isomerization behavior.
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Affiliation(s)
- Andreas H Heindl
- Institute of Organic Chemistry , Justus Liebig University , Heinrich-Buff-Ring 17 , 35392 Giessen , Germany . .,Center for Materials Research (LaMa) , Justus-Liebig-University , Heinrich-Buff-Ring 16 , 35392 Giessen , Germany
| | - Jonathan Becker
- Institute of Inorganic and Analytical Chemistry , Justus Liebig University , Heinrich-Buff-Ring 17 , 35392 Giessen , Germany
| | - Hermann A Wegner
- Institute of Organic Chemistry , Justus Liebig University , Heinrich-Buff-Ring 17 , 35392 Giessen , Germany . .,Center for Materials Research (LaMa) , Justus-Liebig-University , Heinrich-Buff-Ring 16 , 35392 Giessen , Germany
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7
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Yang C, Slavov C, Wegner HA, Wachtveitl J, Dreuw A. Computational design of a molecular triple photoswitch for wavelength-selective control. Chem Sci 2018; 9:8665-8672. [PMID: 30627390 PMCID: PMC6289168 DOI: 10.1039/c8sc03379j] [Citation(s) in RCA: 27] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/30/2018] [Accepted: 09/20/2018] [Indexed: 01/10/2023] Open
Abstract
meta-Trisazobenzenes allow for wavelength-selective photo-switching of the individual azobenzene branches.
A small single molecule with multiple photoswitchable subunits, selectively and independently controllable by light of different wavelengths, is highly attractive for applications in multi-responsive materials and biological sciences. Herein, triple photoswitches are presented consisting of three independent azobenzene (AB) subunits that share a common central phenyl ring: the meta-trisazobenzenes (MTA). It is the unique meta-connectivity pattern leading to decoupling of all azo-subunits although they do overlap spatially. Based on this pattern, we design a triple MTA photoswitch, as proof-of-principle, with three different, electronically independent AB branches on the computer, which can be individually photo-excited to trigger ultra-fast E → Z isomerization at the selected AB branch.
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Affiliation(s)
- Chong Yang
- Interdisciplinary Center for Scientific Computing , Heidelberg University , Im Neuenheimer Feld 205A , 69120 Heidelberg , Germany .
| | - Chavdar Slavov
- Institute for Physical and Theoretical Chemistry , Goethe University , Max-von-Laue Str. 7 , 60438 Frankfurt am Main , Germany
| | - Hermann A Wegner
- Institute of Organic Chemistry , Justus Liebig University Giessen , Heinrich-Buff-Ring 17 , 35392 Giessen , Germany
| | - Josef Wachtveitl
- Institute for Physical and Theoretical Chemistry , Goethe University , Max-von-Laue Str. 7 , 60438 Frankfurt am Main , Germany
| | - Andreas Dreuw
- Interdisciplinary Center for Scientific Computing , Heidelberg University , Im Neuenheimer Feld 205A , 69120 Heidelberg , Germany .
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8
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Geng WC, Sun H, Guo DS. Macrocycles containing azo groups: recognition, assembly and application. J INCL PHENOM MACRO 2018. [DOI: 10.1007/s10847-018-0819-8] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/12/2023]
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9
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Wagner-Wysiecka E, Łukasik N, Biernat JF, Luboch E. Azo group(s) in selected macrocyclic compounds. J INCL PHENOM MACRO 2018; 90:189-257. [PMID: 29568230 PMCID: PMC5845695 DOI: 10.1007/s10847-017-0779-4] [Citation(s) in RCA: 57] [Impact Index Per Article: 9.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/29/2017] [Accepted: 12/26/2017] [Indexed: 01/15/2023]
Abstract
Azobenzene derivatives due to their photo- and electroactive properties are an important group of compounds finding applications in diverse fields. Due to the possibility of controlling the trans-cis isomerization, azo-bearing structures are ideal building blocks for development of e.g. nanomaterials, smart polymers, molecular containers, photoswitches, and sensors. Important role play also macrocyclic compounds well known for their interesting binding properties. In this article selected macrocyclic compounds bearing azo group(s) are comprehensively described. Here, the relationship between compounds' structure and their properties (as e.g. ability to guest complexation, supramolecular structure formation, switching and motion) is reviewed.
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Affiliation(s)
- Ewa Wagner-Wysiecka
- Department of Chemistry and Technology of Functional Materials, Faculty of Chemistry, Gdańsk University of Technology, Narutowicza Street 11/12, 80-233 Gdańsk, Poland
| | - Natalia Łukasik
- Department of Chemistry and Technology of Functional Materials, Faculty of Chemistry, Gdańsk University of Technology, Narutowicza Street 11/12, 80-233 Gdańsk, Poland
| | - Jan F Biernat
- Department of Chemistry and Technology of Functional Materials, Faculty of Chemistry, Gdańsk University of Technology, Narutowicza Street 11/12, 80-233 Gdańsk, Poland
| | - Elżbieta Luboch
- Department of Chemistry and Technology of Functional Materials, Faculty of Chemistry, Gdańsk University of Technology, Narutowicza Street 11/12, 80-233 Gdańsk, Poland
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10
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Hain J, Despras G. A two-step approach to a glycoazobenzene macrocycle with remarkable photoswitchable features. Chem Commun (Camb) 2018; 54:8563-8566. [DOI: 10.1039/c8cc03724h] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
A straightforward synthetic route provided a glycoazobenzene macrocycle showing distinct chiroptical and solubility behaviour upon photoswitching.
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Affiliation(s)
- Julia Hain
- Otto Diels Institute of Organic Chemistry Christiana Albertina University of Kiel Otto-Hahn-Platz 3/4
- 24118 Kiel
- Germany
| | - Guillaume Despras
- Otto Diels Institute of Organic Chemistry Christiana Albertina University of Kiel Otto-Hahn-Platz 3/4
- 24118 Kiel
- Germany
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Despras G, Hain J, Jaeschke SO. Photocontrol over Molecular Shape: Synthesis and Photochemical Evaluation of Glycoazobenzene Macrocycles. Chemistry 2017; 23:10838-10847. [DOI: 10.1002/chem.201701232] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/19/2017] [Indexed: 12/19/2022]
Affiliation(s)
- Guillaume Despras
- Otto Diels Institute of Organic Chemistry; Christiana Albertina University of Kiel; Otto-Hahn-Platz 3/4 24118 Kiel Germany
| | - Julia Hain
- Otto Diels Institute of Organic Chemistry; Christiana Albertina University of Kiel; Otto-Hahn-Platz 3/4 24118 Kiel Germany
| | - Sven Ole Jaeschke
- Otto Diels Institute of Organic Chemistry; Christiana Albertina University of Kiel; Otto-Hahn-Platz 3/4 24118 Kiel Germany
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12
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Kerner L, Kicková A, Filo J, Kedžuch S, Putala M. Elucidation of Photoisomerization-Related Structural Changes in an Acrylamide-Bridged Binaphthalene–Diazene Macrocyclic Chiroptical Switch by Experimental Electronic Circular Dichroism Spectra Simulation: Role of Dispersion Corrections. J Phys Chem A 2015; 119:8588-98. [DOI: 10.1021/acs.jpca.5b03474] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Lukáš Kerner
- Department of Organic Chemistry, Faculty
of Natural Sciences, Comenius University in Bratislava, Mlynská
dolina, Ilkovičova 6, 842 15 Bratislava, Slovak Republic
| | - Anna Kicková
- Department of Organic Chemistry, Faculty
of Natural Sciences, Comenius University in Bratislava, Mlynská
dolina, Ilkovičova 6, 842 15 Bratislava, Slovak Republic
| | - Juraj Filo
- Department of Organic Chemistry, Faculty
of Natural Sciences, Comenius University in Bratislava, Mlynská
dolina, Ilkovičova 6, 842 15 Bratislava, Slovak Republic
| | - Stanislav Kedžuch
- Institute
of Inorganic Chemistry, Slovak Academy of Sciences, Dúbravská
cesta 9, 845 36 Bratislava, Slovak Republic
| | - Martin Putala
- Department of Organic Chemistry, Faculty
of Natural Sciences, Comenius University in Bratislava, Mlynská
dolina, Ilkovičova 6, 842 15 Bratislava, Slovak Republic
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13
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Floß G, Saalfrank P. The Photoinduced E → Z Isomerization of Bisazobenzenes: A Surface Hopping Molecular Dynamics Study. J Phys Chem A 2015; 119:5026-37. [DOI: 10.1021/acs.jpca.5b02933] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/04/2023]
Affiliation(s)
- Gereon Floß
- Institut
für Chemie, Universität Potsdam, Karl-Liebknecht-Strasse 24-25, D-14476 Potsdam, Germany
| | - Peter Saalfrank
- Institut
für Chemie, Universität Potsdam, Karl-Liebknecht-Strasse 24-25, D-14476 Potsdam, Germany
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14
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Schweighauser L, Häussinger D, Neuburger M, Wegner HA. Symmetry as a new element to control molecular switches. Org Biomol Chem 2014; 12:3371-9. [DOI: 10.1039/c4ob00230j] [Citation(s) in RCA: 30] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
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15
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Ma G, Zhou Q, Zhang X, Xu Y, Liu H. Crown ethers with spiropyran units incorporated in the ring frameworks for pH-triggered ion recognition at the air–water interface. NEW J CHEM 2014. [DOI: 10.1039/c3nj01238g] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
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16
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Estey P, Bubar A, Decken A, Calhoun L, Eisler S. Synthesis and Photochemical Isomerization of a Propeller-Shaped Molecular Switch. Chemistry 2013; 19:16204-8. [DOI: 10.1002/chem.201302879] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/23/2013] [Indexed: 11/09/2022]
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17
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Szymański W, Wu B, Poloni C, Janssen DB, Feringa BL. Azobenzene Photoswitches for Staudinger-Bertozzi Ligation. Angew Chem Int Ed Engl 2013. [DOI: 10.1002/ange.201208596] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
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18
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Szymański W, Wu B, Poloni C, Janssen DB, Feringa BL. Azobenzene Photoswitches for Staudinger-Bertozzi Ligation. Angew Chem Int Ed Engl 2013; 52:2068-72. [DOI: 10.1002/anie.201208596] [Citation(s) in RCA: 42] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/25/2012] [Revised: 12/03/2012] [Indexed: 11/07/2022]
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19
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Schweighauser L, Wegner HA. Cyclotetraazocarbazole – a multichromic molecule. Chem Commun (Camb) 2013; 49:4397-9. [DOI: 10.1039/c2cc37956b] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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20
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Moseley JD, Murray PM, Turp ER, Tyler SN, Burn RT. A mild robust generic protocol for the Suzuki reaction using an air stable catalyst. Tetrahedron 2012. [DOI: 10.1016/j.tet.2012.05.030] [Citation(s) in RCA: 23] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
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21
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Takaishi K, Muranaka A, Kawamoto M, Uchiyama M. Photoinversion of Cisoid/Transoid Binaphthyls. Org Lett 2011; 14:276-9. [DOI: 10.1021/ol203053q] [Citation(s) in RCA: 22] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/30/2023]
Affiliation(s)
- Kazuto Takaishi
- RIKEN, Hirosawa 2-1, Wako, Saitama 351-0198, Japan, Japan Science and Technology Agency (JST), PRESTO, Kawaguchi 332-0012, Japan, and Graduate School of Pharmaceutical Sciences, The University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo 113-0033, Japan
| | - Atsuya Muranaka
- RIKEN, Hirosawa 2-1, Wako, Saitama 351-0198, Japan, Japan Science and Technology Agency (JST), PRESTO, Kawaguchi 332-0012, Japan, and Graduate School of Pharmaceutical Sciences, The University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo 113-0033, Japan
| | - Masuki Kawamoto
- RIKEN, Hirosawa 2-1, Wako, Saitama 351-0198, Japan, Japan Science and Technology Agency (JST), PRESTO, Kawaguchi 332-0012, Japan, and Graduate School of Pharmaceutical Sciences, The University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo 113-0033, Japan
| | - Masanobu Uchiyama
- RIKEN, Hirosawa 2-1, Wako, Saitama 351-0198, Japan, Japan Science and Technology Agency (JST), PRESTO, Kawaguchi 332-0012, Japan, and Graduate School of Pharmaceutical Sciences, The University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo 113-0033, Japan
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