1
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Thiele M, Octa-Smolin F, Thölke S, Wölper C, Linders J, Mayer C, Haberhauer G, Niemeyer J. A supramolecular double-helix based on complementary phosphate-guanidinium pairing. Chem Commun (Camb) 2021; 57:9842-9845. [PMID: 34487128 DOI: 10.1039/d1cc04644f] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
A double-helical supramolecular structure was formed by self-assembly of 1,1'-binaphthyl-based bisguanidines and bisphosphoric acids. Interestingly the homochiral (S,S) + (S,S)-pair forms a left-handed double-helix, while the heterochiral (S,S) + (R,R)-pair forms a non-helical dimer.
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Affiliation(s)
- Maike Thiele
- Faculty of Chemistry, Organic Chemistry and Center for Nanointegration Duisburg-Essen (CENIDE), University of Duisburg-Essen, Universitätsstrasse 7, 45141 Essen, Germany.
| | - Frescilia Octa-Smolin
- Faculty of Chemistry, Organic Chemistry and Center for Nanointegration Duisburg-Essen (CENIDE), University of Duisburg-Essen, Universitätsstrasse 7, 45141 Essen, Germany.
| | - Simon Thölke
- Faculty of Chemistry, Organic Chemistry and Center for Nanointegration Duisburg-Essen (CENIDE), University of Duisburg-Essen, Universitätsstrasse 7, 45141 Essen, Germany.
| | - Christoph Wölper
- Faculty of Chemistry, Inorganic Chemistry, University of Duisburg-Essen, Germany
| | - Jürgen Linders
- Faculty of Chemistry, Physical Chemistry, University of Duisburg-Essen, Germany
| | - Christian Mayer
- Faculty of Chemistry, Physical Chemistry, University of Duisburg-Essen, Germany
| | - Gebhard Haberhauer
- Faculty of Chemistry, Organic Chemistry and Center for Nanointegration Duisburg-Essen (CENIDE), University of Duisburg-Essen, Universitätsstrasse 7, 45141 Essen, Germany.
| | - Jochen Niemeyer
- Faculty of Chemistry, Organic Chemistry and Center for Nanointegration Duisburg-Essen (CENIDE), University of Duisburg-Essen, Universitätsstrasse 7, 45141 Essen, Germany.
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2
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Ueta K, Umetani M, Osuka A, Pantoş GD, Tanaka T. Single- and double-helices of α,α'-dibenzylaminotripyrrin: solution and solid state studies. Chem Commun (Camb) 2021; 57:2617-2620. [PMID: 33587742 DOI: 10.1039/d1cc00208b] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/05/2023]
Abstract
The dimeric association of α,α'-di(benzylamino)tripyrrin in chloroform was found to be 40 times less effective than that of previously reported α,α'-dianilinotripyrrin, which, however, led us to observe the co-crystal structure of single and double helix forms. Attachment of chiral phenylethylamines on the same tripyrrin platform was also performed to induce helical chirality.
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Affiliation(s)
- Kento Ueta
- Department of Chemistry, Graduate School of Science, Kyoto University, Japan.
| | - Masataka Umetani
- Department of Chemistry, Graduate School of Science, Kyoto University, Japan.
| | - Atsuhiro Osuka
- Department of Chemistry, Graduate School of Science, Kyoto University, Japan.
| | | | - Takayuki Tanaka
- Department of Chemistry, Graduate School of Science, Kyoto University, Japan.
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3
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Ousaka N, Itakura M, Nagasaka A, Ito M, Hattori T, Taura D, Ikai T, Yashima E. Water-Mediated Reversible Control of Three-State Double-Stranded Titanium(IV) Helicates. J Am Chem Soc 2021; 143:4346-4358. [PMID: 33688731 DOI: 10.1021/jacs.0c13351] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Abstract
A stimuli-responsible reversible structural transformation is of key importance in biological systems. We now report a unique water-mediated reversible transformation among three discrete double-stranded dinuclear titanium(IV) achiral meso- and chiral rac-helicates linked by a mono(μ-oxo) or a bis(μ-hydroxo) bridge between the titanium ions through hydration/dehydration or its combination with a water-mediated dynamic cleavage/re-formation of the titanium-phenoxide (Ti-OPh) bonds. The bis(μ-hydroxo) bridged titanium(IV) meso-helicate prepared from two tetraphenol strands with titanium(IV) oxide was readily dehydrated in CD3CN containing a small amount of water upon heating, accompanied by Ti-OPh bond cleavage/re-formation catalyzed by water, resulting in the formation of the mono(μ-oxo)-bridged rac-helicate, which reverted back to the original bis(μ-hydroxo)-bridged meso-helicate upon hydration in aqueous CD3CN. These reversible transformations between the meso- and rac-helicates were also promoted in the presence of a catalytic amount of an acid, which remarkably accelerated the reactions at lower temperature. Interestingly, in anhydrous CD3CN, the bis(μ-hydroxo)-bridged meso-helicate was further slowly converted to a different helicate, while its meso-helicate framework was maintained, namely the mono(μ-oxo)-bridged meso-helicate, through dehydration upon heating and its meso to meso transformation was significantly accelerated in the presence of cryptand[2.2.1], which contributes to removing Na+ ions coordinated to the helicate. Upon cooling, the backward meso to meso transformation took place via hydration. Hence, three different, discrete double-stranded chiral rac- and achiral meso-titanium(IV) helicates linked by a mono(μ-oxo) or a bis(μ-hydroxo) bridge were successfully generated in a controllable manner by a change in the water content of the reaction media.
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Affiliation(s)
- Naoki Ousaka
- Department of Molecular and Macromolecular Chemistry, Graduate School of Engineering, Nagoya University, Chikusa-ku, Nagoya 464-8603, Japan.,Department of Molecular Design and Engineering, Graduate School of Engineering, Nagoya University, Chikusa-ku, Nagoya 464-8603, Japan
| | - Manabu Itakura
- Department of Molecular and Macromolecular Chemistry, Graduate School of Engineering, Nagoya University, Chikusa-ku, Nagoya 464-8603, Japan
| | - Akira Nagasaka
- Department of Molecular Design and Engineering, Graduate School of Engineering, Nagoya University, Chikusa-ku, Nagoya 464-8603, Japan
| | - Masaki Ito
- Department of Molecular and Macromolecular Chemistry, Graduate School of Engineering, Nagoya University, Chikusa-ku, Nagoya 464-8603, Japan
| | - Tomonari Hattori
- Department of Molecular Design and Engineering, Graduate School of Engineering, Nagoya University, Chikusa-ku, Nagoya 464-8603, Japan
| | - Daisuke Taura
- Department of Molecular and Macromolecular Chemistry, Graduate School of Engineering, Nagoya University, Chikusa-ku, Nagoya 464-8603, Japan.,Department of Molecular Design and Engineering, Graduate School of Engineering, Nagoya University, Chikusa-ku, Nagoya 464-8603, Japan
| | - Tomoyuki Ikai
- Department of Molecular and Macromolecular Chemistry, Graduate School of Engineering, Nagoya University, Chikusa-ku, Nagoya 464-8603, Japan
| | - Eiji Yashima
- Department of Molecular and Macromolecular Chemistry, Graduate School of Engineering, Nagoya University, Chikusa-ku, Nagoya 464-8603, Japan.,Department of Molecular Design and Engineering, Graduate School of Engineering, Nagoya University, Chikusa-ku, Nagoya 464-8603, Japan
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4
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Ousaka N, Yashima E. Stimuli-responsive Molecular Springs Based on Single- and Multi-stranded Helical Structures. CHEM LETT 2021. [DOI: 10.1246/cl.200737] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Affiliation(s)
- Naoki Ousaka
- Molecular Engineering Institute, Kyushu Institute of Technology, Tobata-ku, Kitakyushu, Fukuoka 804-8550, Japan
| | - Eiji Yashima
- Department of Molecular and Macromolecular Chemistry, Graduate School of Engineering, Nagoya University, Chikusa-ku, Nagoya, Aichi 464-8603, Japan
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5
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Abstract
This review surveys recent progress towards robust chiral nanostructure fabrication techniques using synthetic helical polymers, the unique inferred properties that these materials possess, and their intricate connection to natural, biological chirality.
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Affiliation(s)
| | - James F. Reuther
- Department of Chemistry
- University of Massachusetts Lowell
- Lowell
- USA
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6
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Kaiser K, Ganesamoorthy C, Wölper C, Schulz S. Metal Complexes of Donor‐functionalized Fluorinated
β
‐Ketoiminates – Synthesis, Structure, and CVD Application. Z Anorg Allg Chem 2019. [DOI: 10.1002/zaac.201900239] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Affiliation(s)
- Kevin Kaiser
- Institute for Inorganic Chemistry and Center for Nanointegration Duisburg‐Essen (Cenide) University of Duisburg‐Essen Universitätsstraße 5–7 45117 Essen Germany
| | - Chelladurai Ganesamoorthy
- Institute for Inorganic Chemistry and Center for Nanointegration Duisburg‐Essen (Cenide) University of Duisburg‐Essen Universitätsstraße 5–7 45117 Essen Germany
| | - Christoph Wölper
- Institute for Inorganic Chemistry and Center for Nanointegration Duisburg‐Essen (Cenide) University of Duisburg‐Essen Universitätsstraße 5–7 45117 Essen Germany
| | - Stephan Schulz
- Institute for Inorganic Chemistry and Center for Nanointegration Duisburg‐Essen (Cenide) University of Duisburg‐Essen Universitätsstraße 5–7 45117 Essen Germany
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7
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Umetani M, Tanaka T, Osuka A. Conjugated double helices via self-dimerization of α,α'-dianilinotripyrrins. Chem Sci 2018; 9:6853-6859. [PMID: 30310618 PMCID: PMC6114996 DOI: 10.1039/c8sc02739k] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/22/2018] [Accepted: 07/16/2018] [Indexed: 01/25/2023] Open
Abstract
A new motif for artificial double helices was developed on the basis of α,α'-disubstituted tripyrrin. α,α'-Dibromotripyrrin 3 was prepared by gentle bromination at the pyrrolic α-positions of 5,10-diphenyltripyrrane followed by oxidation with DDQ. Nucleophilic substitution reactions of 3 with anilines proceeded efficiently to furnish a series of α,α'-dianilinotripyrrins 4-11, which displayed monomeric and dimeric forms depending upon the solvent used for crystallization and the structures of the substituted anilines. Dimeric forms show double helical structures with smooth π-conjugation as indicated by their absorption spectra. van't-Hoff plot analyses revealed that the dimerizations in CDCl3 are enthalpy-driven. Larger association constants of the dimerization are attained for 3,5-di-t-butylanilino- and 3,5-bis(trifluoromethyl)anilino-substituted tripyrrins (7 and 8) via additional multiple intermolecular interactions. In a nonpolar and aprotic solvent, tripyrrins (9 and 10) bearing bulkier 1-naphthylamino and mesitylamino groups do not dimerize but undergo unique tautomerization.
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Affiliation(s)
- Masataka Umetani
- Department of Chemistry , Graduate School of Science , Kyoto University , Japan
| | - Takayuki Tanaka
- Department of Chemistry , Graduate School of Science , Kyoto University , Japan
| | - Atsuhiro Osuka
- Department of Chemistry , Graduate School of Science , Kyoto University , Japan
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8
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Lang C, Deng X, Yang F, Yang B, Wang W, Qi S, Zhang X, Zhang C, Dong Z, Liu J. Highly Selective Artificial Potassium Ion Channels Constructed from Pore‐Containing Helical Oligomers. Angew Chem Int Ed Engl 2017; 56:12668-12671. [DOI: 10.1002/anie.201705048] [Citation(s) in RCA: 46] [Impact Index Per Article: 6.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/16/2017] [Revised: 07/20/2017] [Indexed: 01/22/2023]
Affiliation(s)
- Chao Lang
- State Key Laboratory of Supramolecular Structure and Materials College of Chemistry Jilin University 2699 Qianjin Street Changchun 130012 P. R. China
| | - Xiaoli Deng
- State Key Laboratory of Supramolecular Structure and Materials College of Chemistry Jilin University 2699 Qianjin Street Changchun 130012 P. R. China
| | - Feihu Yang
- State Key Laboratory of Supramolecular Structure and Materials College of Chemistry Jilin University 2699 Qianjin Street Changchun 130012 P. R. China
| | - Bing Yang
- State Key Laboratory of Supramolecular Structure and Materials College of Chemistry Jilin University 2699 Qianjin Street Changchun 130012 P. R. China
| | - Wei Wang
- State Key Laboratory of Supramolecular Structure and Materials College of Chemistry Jilin University 2699 Qianjin Street Changchun 130012 P. R. China
| | - Shuaiwei Qi
- State Key Laboratory of Supramolecular Structure and Materials College of Chemistry Jilin University 2699 Qianjin Street Changchun 130012 P. R. China
| | - Xin Zhang
- State Key Laboratory of Supramolecular Structure and Materials College of Chemistry Jilin University 2699 Qianjin Street Changchun 130012 P. R. China
| | - Chenyang Zhang
- State Key Laboratory of Supramolecular Structure and Materials College of Chemistry Jilin University 2699 Qianjin Street Changchun 130012 P. R. China
| | - Zeyuan Dong
- State Key Laboratory of Supramolecular Structure and Materials College of Chemistry Jilin University 2699 Qianjin Street Changchun 130012 P. R. China
| | - Junqiu Liu
- State Key Laboratory of Supramolecular Structure and Materials College of Chemistry Jilin University 2699 Qianjin Street Changchun 130012 P. R. China
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9
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Lang C, Deng X, Yang F, Yang B, Wang W, Qi S, Zhang X, Zhang C, Dong Z, Liu J. Highly Selective Artificial Potassium Ion Channels Constructed from Pore‐Containing Helical Oligomers. Angew Chem Int Ed Engl 2017. [DOI: 10.1002/ange.201705048] [Citation(s) in RCA: 23] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/04/2023]
Affiliation(s)
- Chao Lang
- State Key Laboratory of Supramolecular Structure and Materials College of Chemistry Jilin University 2699 Qianjin Street Changchun 130012 P. R. China
| | - Xiaoli Deng
- State Key Laboratory of Supramolecular Structure and Materials College of Chemistry Jilin University 2699 Qianjin Street Changchun 130012 P. R. China
| | - Feihu Yang
- State Key Laboratory of Supramolecular Structure and Materials College of Chemistry Jilin University 2699 Qianjin Street Changchun 130012 P. R. China
| | - Bing Yang
- State Key Laboratory of Supramolecular Structure and Materials College of Chemistry Jilin University 2699 Qianjin Street Changchun 130012 P. R. China
| | - Wei Wang
- State Key Laboratory of Supramolecular Structure and Materials College of Chemistry Jilin University 2699 Qianjin Street Changchun 130012 P. R. China
| | - Shuaiwei Qi
- State Key Laboratory of Supramolecular Structure and Materials College of Chemistry Jilin University 2699 Qianjin Street Changchun 130012 P. R. China
| | - Xin Zhang
- State Key Laboratory of Supramolecular Structure and Materials College of Chemistry Jilin University 2699 Qianjin Street Changchun 130012 P. R. China
| | - Chenyang Zhang
- State Key Laboratory of Supramolecular Structure and Materials College of Chemistry Jilin University 2699 Qianjin Street Changchun 130012 P. R. China
| | - Zeyuan Dong
- State Key Laboratory of Supramolecular Structure and Materials College of Chemistry Jilin University 2699 Qianjin Street Changchun 130012 P. R. China
| | - Junqiu Liu
- State Key Laboratory of Supramolecular Structure and Materials College of Chemistry Jilin University 2699 Qianjin Street Changchun 130012 P. R. China
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10
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Ousaka N, Yamamoto S, Hayashi N, Li MC, Ho RM, Yashima E. Alkali Metal Ion-enhanced Threading of a Perylenediimide-bound Polymer Chain through a Double-stranded Spiroborate Helicate with a Bisporphyrin Unit. CHEM LETT 2017. [DOI: 10.1246/cl.170271] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
Affiliation(s)
- Naoki Ousaka
- Department of Molecular Design and Engineering, Graduate School of Engineering, Nagoya University, Chikusa-ku, Nagoya, Aichi 464-8603
| | - Shinya Yamamoto
- Department of Molecular Design and Engineering, Graduate School of Engineering, Nagoya University, Chikusa-ku, Nagoya, Aichi 464-8603
| | - Naoki Hayashi
- Department of Molecular Design and Engineering, Graduate School of Engineering, Nagoya University, Chikusa-ku, Nagoya, Aichi 464-8603
| | - Ming-Chia Li
- Department of Biological Science and Technology, National Chiao Tung University, Hsinchu 30010, Taiwan
| | - Rong-Ming Ho
- Department of Chemical Engineering, National Tsing Hua University, Hsinchu 30013, Taiwan
| | - Eiji Yashima
- Department of Molecular Design and Engineering, Graduate School of Engineering, Nagoya University, Chikusa-ku, Nagoya, Aichi 464-8603
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11
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Romero MJ, Suárez V, Fernández-Fariña S, Maneiro M, Martínez-Núñez E, Zaragoza G, González-Noya AM, Pedrido R. Effect of the Metal Ion on the Enantioselectivity and Linkage Isomerization of Thiosemicarbazone Helicates. Chemistry 2017; 23:4884-4892. [PMID: 28207181 DOI: 10.1002/chem.201700195] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/13/2017] [Indexed: 11/11/2022]
Abstract
The effect of the metal ion and ligand design on the enantioselectivity and linkage isomerization of neutral cobalt and zinc bisthiosemicarbazone metallohelicates has been investigated in this work. The electrochemical synthesis has afforded the enantioselective formation of chirally pure cobalt helicates, and the ΛΛ isomer of a single enantiomer has been crystallized as only product for the cobalt methyl-substituted thiosemicarbazone helicate. Interestingly linkage isomers have been formed from zinc ethyl-substituted thiosemicarbazone helicate enantiomers for the first time. The co-existence of these isomers has been evaluated from the point of view of both experimental results and computational calculations.
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Affiliation(s)
- María J Romero
- Departamento de Química Inorgánica, Facultade de Química, Campus Vida, Universidade de Santiago de Compostela, Santiago de Compostela, Galicia, 15782, Spain
| | - Vanesa Suárez
- Departamento de Química Inorgánica, Facultade de Química, Campus Vida, Universidade de Santiago de Compostela, Santiago de Compostela, Galicia, 15782, Spain
| | - Sandra Fernández-Fariña
- Departamento de Química Inorgánica, Facultade de Química, Campus Vida, Universidade de Santiago de Compostela, Santiago de Compostela, Galicia, 15782, Spain
| | - Marcelino Maneiro
- Departamento de Química Inorgánica, Facultade de Ciencias, Universidade de Santiago de Compostela, 27002, Lugo, Spain
| | - Emilio Martínez-Núñez
- Departamento de Química Física, Facultade de Química, Campus Vida, Universidade de Santiago de Compostela, Santiago de Compostela, Galicia, 15782, Spain
| | - Guillermo Zaragoza
- Unidade de Difracción de Raios X, Edificio CACTUS, Universidade de Santiago de Compostela, Campus Sur, Santiago de Compostela, Galicia, 15782, Spain
| | - Ana M González-Noya
- Departamento de Química Inorgánica, Facultade de Química, Campus Vida, Universidade de Santiago de Compostela, Santiago de Compostela, Galicia, 15782, Spain
| | - Rosa Pedrido
- Departamento de Química Inorgánica, Facultade de Química, Campus Vida, Universidade de Santiago de Compostela, Santiago de Compostela, Galicia, 15782, Spain
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12
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Ousaka N, Yashima E. Development of Helical Oligomers and Polymers Capable of Extension and Contraction Motions. J SYN ORG CHEM JPN 2017. [DOI: 10.5059/yukigoseikyokaishi.75.466] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Affiliation(s)
- Naoki Ousaka
- Graduate School of Engineering, Nagoya University
| | - Eiji Yashima
- Graduate School of Engineering, Nagoya University
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13
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Yashima E, Ousaka N, Taura D, Shimomura K, Ikai T, Maeda K. Supramolecular Helical Systems: Helical Assemblies of Small Molecules, Foldamers, and Polymers with Chiral Amplification and Their Functions. Chem Rev 2016; 116:13752-13990. [PMID: 27754649 DOI: 10.1021/acs.chemrev.6b00354] [Citation(s) in RCA: 1198] [Impact Index Per Article: 149.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/12/2023]
Abstract
In this review, we describe the recent advances in supramolecular helical assemblies formed from chiral and achiral small molecules, oligomers (foldamers), and helical and nonhelical polymers from the viewpoints of their formations with unique chiral phenomena, such as amplification of chirality during the dynamic helically assembled processes, properties, and specific functionalities, some of which have not been observed in or achieved by biological systems. In addition, a brief historical overview of the helical assemblies of small molecules and remarkable progress in the synthesis of single-stranded and multistranded helical foldamers and polymers, their properties, structures, and functions, mainly since 2009, will also be described.
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Affiliation(s)
- Eiji Yashima
- Department of Molecular Design and Engineering, Graduate School of Engineering, Nagoya University , Chikusa-ku, Nagoya 464-8603, Japan
| | - Naoki Ousaka
- Department of Molecular Design and Engineering, Graduate School of Engineering, Nagoya University , Chikusa-ku, Nagoya 464-8603, Japan
| | - Daisuke Taura
- Department of Molecular Design and Engineering, Graduate School of Engineering, Nagoya University , Chikusa-ku, Nagoya 464-8603, Japan
| | - Kouhei Shimomura
- Department of Molecular Design and Engineering, Graduate School of Engineering, Nagoya University , Chikusa-ku, Nagoya 464-8603, Japan
| | - Tomoyuki Ikai
- Graduate School of Natural Science and Technology, Kanazawa University , Kakuma-machi, Kanazawa 920-1192, Japan
| | - Katsuhiro Maeda
- Graduate School of Natural Science and Technology, Kanazawa University , Kakuma-machi, Kanazawa 920-1192, Japan
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14
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Yang JP, Wu XY, Wang WJ, Huang ZG, Jiang B. Spiroborate-based dimeric assembly of oligo(ethylene glycol) end-capped with phenolic gallates. Tetrahedron Lett 2016. [DOI: 10.1016/j.tetlet.2016.05.008] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
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15
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Suzuki Y, Nakamura T, Iida H, Ousaka N, Yashima E. Allosteric Regulation of Unidirectional Spring-like Motion of Double-Stranded Helicates. J Am Chem Soc 2016; 138:4852-9. [DOI: 10.1021/jacs.6b00787] [Citation(s) in RCA: 50] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
Affiliation(s)
- Yoshimasa Suzuki
- Department
of Molecular Design
and Engineering, Graduate School of Engineering, Nagoya University, Chikusa-ku, Nagoya 464-8603, Japan
| | - Taiki Nakamura
- Department
of Molecular Design
and Engineering, Graduate School of Engineering, Nagoya University, Chikusa-ku, Nagoya 464-8603, Japan
| | - Hiroki Iida
- Department
of Molecular Design
and Engineering, Graduate School of Engineering, Nagoya University, Chikusa-ku, Nagoya 464-8603, Japan
| | - Naoki Ousaka
- Department
of Molecular Design
and Engineering, Graduate School of Engineering, Nagoya University, Chikusa-ku, Nagoya 464-8603, Japan
| | - Eiji Yashima
- Department
of Molecular Design
and Engineering, Graduate School of Engineering, Nagoya University, Chikusa-ku, Nagoya 464-8603, Japan
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16
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Taura D, Min H, Katan C, Yashima E. Synthesis of a double-stranded spiroborate helicate bearing stilbene units and its photoresponsive behaviour. NEW J CHEM 2015. [DOI: 10.1039/c4nj01669f] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
The sodium ion-triggered extension and contraction motions along with photo-induced cis–trans isomerisation of a photoresponsive spiroborate-based double-stranded helicate were investigated.
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Affiliation(s)
- Daisuke Taura
- Department of Molecular Design and Engineering
- Graduate School of Engineering
- Nagoya University
- Chikusa-ku
- Japan
| | - Heejun Min
- Department of Molecular Design and Engineering
- Graduate School of Engineering
- Nagoya University
- Chikusa-ku
- Japan
| | - Claudine Katan
- Institut des Sciences Chimiques de Rennes
- UMR 6226 CNRS-Université de Rennes 1
- France
| | - Eiji Yashima
- Department of Molecular Design and Engineering
- Graduate School of Engineering
- Nagoya University
- Chikusa-ku
- Japan
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17
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Horie M, Ousaka N, Taura D, Yashima E. Chiral tether-mediated stabilization and helix-sense control of complementary metallo-double helices. Chem Sci 2015; 6:714-723. [PMID: 28706634 PMCID: PMC5494540 DOI: 10.1039/c4sc02275k] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/30/2014] [Accepted: 09/10/2014] [Indexed: 11/21/2022] Open
Abstract
A series of novel PtII-linked double helices were prepared by inter- or intrastrand ligand-exchange reactions of the complementary duplexes composed of chiral or achiral amidine dimer and achiral carboxylic acid dimer strands joined by trans-PtII-acetylide complexes with PPh3 ligands using chiral and achiral chelating diphosphines. The structure and stability of the PtII-linked double helices were highly dependent on the diphosphine structures. An interstrand ligand exchange took place with chiral and achiral 1,3-diphosphine-based ligands, resulting in trans-PtII-bridged double helices, whose helical structures were quite stable even in dimethyl sulfoxide (DMSO) due to the interstrand cross-link, whereas a 1,2-diphosphine-based ligand produced non-cross-linked cis-PtII-linked duplexes, resulting from an intrastrand ligand-exchange that readily dissociated into single strands in DMSO. When enantiopure 1,3-diphosphine-based ligands were used, the resulting trans-PtII-bridged double helices adopted a preferred-handed helical sense biased by the chirality of the bridged diphosphines. Interestingly, the interstrand ligand exchange with racemic 1,3-diphosphine toward an optically-active PtII-linked duplex, composed of chiral amidine and achiral carboxylic acid strands, was found to proceed in a diastereoselective manner, thus forming complete homochiral trans-PtII-bridged double helices via a unique chiral self-sorting.
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Affiliation(s)
- Miki Horie
- Department of Molecular Design and Engineering , Graduate School of Engineering , Nagoya University , Chikusa-ku , Nagoya 464-8603 , Japan .
| | - Naoki Ousaka
- Venture Business Laboratory , Nagoya University , Chikusa-ku , Nagoya 464-8603 , Japan
| | - Daisuke Taura
- Department of Molecular Design and Engineering , Graduate School of Engineering , Nagoya University , Chikusa-ku , Nagoya 464-8603 , Japan .
| | - Eiji Yashima
- Department of Molecular Design and Engineering , Graduate School of Engineering , Nagoya University , Chikusa-ku , Nagoya 464-8603 , Japan .
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Li Q, Huang F, Fan Y, Wang Y, Li J, He Y, Jiang H. AgI-Directed Triple-Stranded Helicates withmeta-Ethynylpyridine Ligands. Eur J Inorg Chem 2014. [DOI: 10.1002/ejic.201402345] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
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Akine S, Nagumo H, Nabeshima T. Programmed multiple complexation for the creation of helical structures from acyclic phenol-bipyridine oligomer ligands. Dalton Trans 2013; 42:15974-86. [PMID: 23872673 DOI: 10.1039/c3dt51240a] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/28/2023]
Abstract
Two new multidentate ligands, H3L(1) and H4L(2), possessing bipyridine-phenol repetitive units were designed so that the multi-metal complexation could produce a single-helical structure in a pre-programmed fashion. The ligands were synthesized by successive palladium-catalyzed coupling reactions. The complexation of H3L(1) with zinc(II) and nickel(II) acetate afforded [L(1)Zn2(OAc)] and [(L(1))2Ni4](OAc)2, respectively. Each of the ligand moieties in these complexes formed a one-turn single helix. The zinc(II) complex [L(1)Zn2(OAc)] underwent a helix compression-extension motion in solution. The complexation of the H3L(1) ligand with iron(III) chloride gave a dinuclear complex [(HL(1))2Fe2Cl2] with a non-helical dimeric structure. The longer ligand H4L(2) afforded a trinuclear complex [L(2)Zn3(OAc)2] with a 1.5-turn single-helical structure upon complexation with zinc(II) acetate. The reaction of the H4L(2) ligand with cobalt(II) acetate under aerobic conditions gave a mixed valence complex [L(2)Co3(OAc)3(OMe)], which had two trivalent and one divalent cobalt ions. The structural features of the trinuclear complexes significantly depended on the metals; [L(2)Co3(OAc)3(OMe)] had a helical pitch of 7.6 Å, which was almost twice that of [L(2)Zn3(OAc)2] (4.0 Å).
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Affiliation(s)
- Shigehisa Akine
- Faculty of Pure and Applied Sciences, University of Tsukuba, 1-1-1 Tennodai, Tsukuba, Ibaraki 305-8571, Japan.
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Yamamoto S, Iida H, Yashima E. Guest-Induced Unidirectional Dual Rotary and Twisting Motions of a Spiroborate-Based Double-Stranded Helicate Containing a Bisporphyrin Unit. Angew Chem Int Ed Engl 2013. [DOI: 10.1002/ange.201302560] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
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Guest-Induced Unidirectional Dual Rotary and Twisting Motions of a Spiroborate-Based Double-Stranded Helicate Containing a Bisporphyrin Unit. Angew Chem Int Ed Engl 2013; 52:6849-53. [DOI: 10.1002/anie.201302560] [Citation(s) in RCA: 60] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/27/2013] [Indexed: 11/07/2022]
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22
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Ito H, Tsukube H, Shinoda S. Chirality transfer in propeller-shaped cyclen-calcium(II) complexes: metal-coordinating and ion-pairing anion procedures. Chemistry 2013; 19:3330-9. [PMID: 23404763 DOI: 10.1002/chem.201204323] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/05/2012] [Indexed: 11/07/2022]
Abstract
A series of quadruple-stranded Na(+) and Ca(2+) complexes with octadentate cyclen ligands was synthesized to produce complexes that contained four different side-arm combinations (one triazole-coumarin group and three pyridine groups (1), four pyridine groups (2), one triazole-coumarin group and three quinoline groups (3), and four quinoline groups (4)). X-ray crystallographic analysis revealed that no significant changes occurred in the stereostructure of these complexes upon replacing one pyridine group with a triazole-coumarin moiety, or by replacing Na(+) ions with Ca(2+) ions, although the coordination number of the complexes in the solid state decreased when pyridine groups were replaced by quinoline groups. In solution, all of the side arms were arranged in a propeller-like pattern to yield an enantiomer pair of Δ and Λ forms in each metal complex. The addition of a tert-butoxycarbonyl (Boc)-protected amino acid anion, that is, a coordinative chiral carboxylate anion, to the cyclen-Ca(2+) complex induced circular dichroism (CD) signals in the aromatic region by forming a 1:1 mixture of diastereomeric ternary complexes with opposite complex chirality, whilst the corresponding Na(+) complexes rarely showed any response. In complexes 1-Ca(2+) and 3-Ca(2+), this chirality-transfer process was efficiently followed by considering the induction of the CD signals at two different wavelengths, that is, the coumarin-chromophore region and the aza-aromatic region. The sign and intensity of the CD signal were significantly dependent on both the nature of the aza-aromatic moiety and the enantiomeric purity of the external anion. These Ca(2+) complexes worked as effective probes for the determination of the enantiomeric excess of the chiral anion. The cyclen-Ca(2+) complexes also interacted with the non-coordinative Δ-TRISPHAT anion through an ion-pairing mechanism to achieve chirality transfer from the anion to the metal complex; both complexes 1-Ca(2+) and 3-Ca(2+) clearly showed induced CD signals in the coumarin-chromophore region, owing to ion-paring interactions with the Δ-TRISPHAT anion. Thus, the proper combination of an octadentate cyclen ligand and a metal center demonstrated effective chirality transfer.
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Affiliation(s)
- Hiroshi Ito
- JST, CREST, and Department of Chemistry, Graduated School of Science Osaka City University, Sugimoto, Sumiyoshi-ku, Osaka 558-8585, Japan.
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Dohi T, Kamitanaka T, Watanabe S, Hu Y, Washimi N, Kita Y. Efficient Synthesis of Oxygenated Terphenyls and Other Oligomers: Sequential Arylation Reactions Through Phenol Oxidation-Rearomatization. Chemistry 2012; 18:13614-8. [DOI: 10.1002/chem.201202086] [Citation(s) in RCA: 50] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/13/2012] [Indexed: 11/08/2022]
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Yamada H, Wu ZQ, Furusho Y, Yashima E. Thermodynamic and Kinetic Stabilities of Complementary Double Helices Utilizing Amidinium–Carboxylate Salt Bridges. J Am Chem Soc 2012; 134:9506-20. [DOI: 10.1021/ja303701d] [Citation(s) in RCA: 84] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/10/2023]
Affiliation(s)
- Hidekazu Yamada
- Department of Molecular Design and Engineering, Graduate School of Engineering, Nagoya University, Chikusa-ku, Nagoya 464-8603, Japan
| | - Zong-Quan Wu
- Department of Molecular Design and Engineering, Graduate School of Engineering, Nagoya University, Chikusa-ku, Nagoya 464-8603, Japan
| | - Yoshio Furusho
- Department of Molecular Design and Engineering, Graduate School of Engineering, Nagoya University, Chikusa-ku, Nagoya 464-8603, Japan
| | - Eiji Yashima
- Department of Molecular Design and Engineering, Graduate School of Engineering, Nagoya University, Chikusa-ku, Nagoya 464-8603, Japan
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