1
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Wang F, Wang W, Wang Y, Zhang L, Okamoto Y, Shen J. Cellulose/amylose derivatives bearing bulky substituents as reversible fluorescent sensors for detection of Fe 3. Carbohydr Polym 2023; 320:121249. [PMID: 37659827 DOI: 10.1016/j.carbpol.2023.121249] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/20/2023] [Revised: 07/22/2023] [Accepted: 07/31/2023] [Indexed: 09/04/2023]
Abstract
Two novel cellulose and amylose derivatives bearing bulky tris(2-benzothienylformate) pendants (Cel-3 and Amy-3) were expeditiously prepared by one-step esterification. The fluorescent sensing performance of six polysaccharide derivatives, including Cel-3/Amy-3, and other four previously prepared benzothienyl- or benzofuranyl-phenylcarbamates of cellulose and amylose (Cel-1/Amy-1, Cel-2/Amy-2), were carefully evaluated using eight metal ions, including Co2+, K+, Na+, Li+, Hg2+, Ni2+, Ca2+ and Fe3+. All six derivatives exhibited excellent fluorescence quenching property to Fe3+ ions with high sensitivity and selectivity. Especially, the limit of detection of Amy-2 with benzofuranylphenylcarbamates for Fe3+ was 3.0 μM, much lower than the maximum contaminant level for Fe3+ in the drinking water. Additionally, the six bulky derivatives displayed the interesting fluorescence "turn-off" and "turn-on" observation, indicating a desirable reversibility for Fe3+ detection. The high anti-interference ability was also observed for detection of Fe3+ on the benzothienyl/benzofuranyl derivatives of cellulose and amylose in the combined system containing Co2+, K+, Na+, Li+, Hg2+, Ni2+ and Ca2+. It suggested that the obtained polysaccharide derivatives with bulky chromophores possessed good potentials for detection of Fe3+ as high-efficient fluorescent sensors in diverse applications. The sensing mechanism for detection of Fe3+ was further proposed based on the Stern-Volmer plots and fluorescence titration analysis.
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Affiliation(s)
- Fan Wang
- School of Civil and Resource Engineering, University of Science and Technology Beijing, Beijing 100083, China; Polymer Materials Research Center, Key Laboratory of Superlight Materials and Surface Technology, Ministry of Education, College of Materials Science and Chemical Engineering, Harbin Engineering University, Harbin 150001, China
| | - Weiqi Wang
- Polymer Materials Research Center, Key Laboratory of Superlight Materials and Surface Technology, Ministry of Education, College of Materials Science and Chemical Engineering, Harbin Engineering University, Harbin 150001, China
| | - Yuqing Wang
- Polymer Materials Research Center, Key Laboratory of Superlight Materials and Surface Technology, Ministry of Education, College of Materials Science and Chemical Engineering, Harbin Engineering University, Harbin 150001, China
| | - Lili Zhang
- Polymer Materials Research Center, Key Laboratory of Superlight Materials and Surface Technology, Ministry of Education, College of Materials Science and Chemical Engineering, Harbin Engineering University, Harbin 150001, China.
| | - Yoshio Okamoto
- Polymer Materials Research Center, Key Laboratory of Superlight Materials and Surface Technology, Ministry of Education, College of Materials Science and Chemical Engineering, Harbin Engineering University, Harbin 150001, China; Nagoya University, Furo-cho, Chikusa-ku, Nagoya 464-8603, Japan
| | - Jun Shen
- School of Civil and Resource Engineering, University of Science and Technology Beijing, Beijing 100083, China; Polymer Materials Research Center, Key Laboratory of Superlight Materials and Surface Technology, Ministry of Education, College of Materials Science and Chemical Engineering, Harbin Engineering University, Harbin 150001, China.
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2
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Yang S, Zhang S, Hu F, Han J, Li F. Circularly polarized luminescence polymers: From design to applications. Coord Chem Rev 2023. [DOI: 10.1016/j.ccr.2023.215116] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/30/2023]
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3
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Wang F, Wang W, Wang Y, Zheng W, Zheng T, Zhang L, Okamoto Y, Shen J. Synthesis of amylose and cellulose derivatives bearing bulky pendants for high-efficient chiral fluorescent sensing. Carbohydr Polym 2023; 311:120769. [PMID: 37028880 DOI: 10.1016/j.carbpol.2023.120769] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/02/2022] [Revised: 02/20/2023] [Accepted: 02/27/2023] [Indexed: 03/08/2023]
Abstract
Three novel amylose and cellulose phenylcarbamate derivatives bearing bulky para-substituted benzothienyl or benzofuranyl pendants were successfully synthesized as chiral fluorescent sensors through carbamoylation followed by Suzuki-Miyaura coupling reactions. The bulky derivatives showed good enantioselective fluorescent sensing properties toward a total of eight chiral quenchers in this study. Especially, a high enantiomeric fluorescence difference ratio (ef = 164.35) was achieved on amylose benzofuranylphenylcarbamates (Amy-2) to the 3-amino-3-phenylpropan-1-ol (Q5), an important chiral drug intermediate. It indicated that a favorable chiral environment was effectively constructed by arrangement of bulky π-conjugated benzothienyl or benzofuranyl pendants on the phenylcarbamate moieties surrounding the helical backbone, which is crucial for high-efficient chiral fluorescent sensing. As chiral stationary phases for high-performance liquid chromatography, the bulky benzothienylphenylcarbamates of amylose and cellulose also showed good resolution powers to thirteen racemates, including metal tris(acetylacetonate) complexes, chiral drugs, analytes with axial chirality and chiral aromatic amines, which were difficult to be efficiently separated even on the popular Chiralpak AD and Chiralcel OD. The excitation-dependent chiral fluorescent sensing probably followed different mechanisms from that for chromatographic enantioseparation relying on the dynamic collision of molecules in the ground state. The structure of the bulky derivatives was also investigated by CD spectra and POM microscopy.
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Affiliation(s)
- Fan Wang
- Polymer Materials Research Center, Key Laboratory of Superlight Materials and Surface Technology, Ministry of Education, College of Materials Science and Chemical Engineering, Harbin Engineering University, Harbin 150001, China
| | - Weiqi Wang
- Polymer Materials Research Center, Key Laboratory of Superlight Materials and Surface Technology, Ministry of Education, College of Materials Science and Chemical Engineering, Harbin Engineering University, Harbin 150001, China
| | - Yuqing Wang
- Polymer Materials Research Center, Key Laboratory of Superlight Materials and Surface Technology, Ministry of Education, College of Materials Science and Chemical Engineering, Harbin Engineering University, Harbin 150001, China
| | - Wei Zheng
- Polymer Materials Research Center, Key Laboratory of Superlight Materials and Surface Technology, Ministry of Education, College of Materials Science and Chemical Engineering, Harbin Engineering University, Harbin 150001, China
| | - Ting Zheng
- Polymer Materials Research Center, Key Laboratory of Superlight Materials and Surface Technology, Ministry of Education, College of Materials Science and Chemical Engineering, Harbin Engineering University, Harbin 150001, China.
| | - Lili Zhang
- Polymer Materials Research Center, Key Laboratory of Superlight Materials and Surface Technology, Ministry of Education, College of Materials Science and Chemical Engineering, Harbin Engineering University, Harbin 150001, China.
| | - Yoshio Okamoto
- Polymer Materials Research Center, Key Laboratory of Superlight Materials and Surface Technology, Ministry of Education, College of Materials Science and Chemical Engineering, Harbin Engineering University, Harbin 150001, China; Nagoya University, Furo-cho, Chikusa-ku, Nagoya 464-8603, Japan
| | - Jun Shen
- Polymer Materials Research Center, Key Laboratory of Superlight Materials and Surface Technology, Ministry of Education, College of Materials Science and Chemical Engineering, Harbin Engineering University, Harbin 150001, China; School of Civil and Resources Engineering, University of Science and Technology Beijing, Beijing 100083, China.
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4
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Torres-Huerta AL, Antonio-Pérez A, García-Huante Y, Alcázar-Ramírez NJ, Rueda-Silva JC. Biomolecule-Based Optical Metamaterials: Design and Applications. BIOSENSORS 2022; 12:962. [PMID: 36354471 PMCID: PMC9688573 DOI: 10.3390/bios12110962] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 09/30/2022] [Revised: 10/21/2022] [Accepted: 10/22/2022] [Indexed: 06/16/2023]
Abstract
Metamaterials are broadly defined as artificial, electromagnetically homogeneous structures that exhibit unusual physical properties that are not present in nature. They possess extraordinary capabilities to bend electromagnetic waves. Their size, shape and composition can be engineered to modify their characteristics, such as iridescence, color shift, absorbance at different wavelengths, etc., and harness them as biosensors. Metamaterial construction from biological sources such as carbohydrates, proteins and nucleic acids represents a low-cost alternative, rendering high quantities and yields. In addition, the malleability of these biomaterials makes it possible to fabricate an endless number of structured materials such as composited nanoparticles, biofilms, nanofibers, quantum dots, and many others, with very specific, invaluable and tremendously useful optical characteristics. The intrinsic characteristics observed in biomaterials make them suitable for biomedical applications. This review addresses the optical characteristics of metamaterials obtained from the major macromolecules found in nature: carbohydrates, proteins and DNA, highlighting their biosensor field use, and pointing out their physical properties and production paths.
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Affiliation(s)
- Ana Laura Torres-Huerta
- Escuela de Ingeniería y Ciencias, Tecnológico de Monterrey, Campus Estado de México, Av. Lago de Guadalupe KM 3.5, Margarita Maza de Juárez, Cd. López Mateos, Atizapán de Zaragoza 52926, Mexico
| | - Aurora Antonio-Pérez
- Escuela de Ingeniería y Ciencias, Tecnológico de Monterrey, Campus Estado de México, Av. Lago de Guadalupe KM 3.5, Margarita Maza de Juárez, Cd. López Mateos, Atizapán de Zaragoza 52926, Mexico
| | - Yolanda García-Huante
- Departamento de Ciencias Básicas, Unidad Profesional Interdisciplinaria en Ingeniería y Tecnologías Avanzadas, Instituto Politécnico Nacional (UPIITA-IPN), Mexico City 07340, Mexico
| | - Nayelhi Julieta Alcázar-Ramírez
- Escuela de Ingeniería y Ciencias, Tecnológico de Monterrey, Campus Estado de México, Av. Lago de Guadalupe KM 3.5, Margarita Maza de Juárez, Cd. López Mateos, Atizapán de Zaragoza 52926, Mexico
| | - Juan Carlos Rueda-Silva
- Escuela de Ingeniería y Ciencias, Tecnológico de Monterrey, Campus Estado de México, Av. Lago de Guadalupe KM 3.5, Margarita Maza de Juárez, Cd. López Mateos, Atizapán de Zaragoza 52926, Mexico
- Department of Genetics, University of Cambridge, Cambridge CB2 3EH, UK
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5
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Isono T, Komaki R, Kawakami N, Chen K, Chen HL, Lee C, Suzuki K, Ree BJ, Mamiya H, Yamamoto T, Borsali R, Tajima K, Satoh T. Tailored Solid-State Carbohydrate Nanostructures Based on Star-Shaped Discrete Block Co-Oligomers. Biomacromolecules 2022; 23:3978-3989. [PMID: 36039560 DOI: 10.1021/acs.biomac.2c00813] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
Carbohydrates are key building blocks for advanced functional materials owing to their biological functions and unique material properties. Here, we propose a star-shaped discrete block co-oligomer (BCO) platform to access carbohydrate nanostructures in bulk and thin-film states via the microphase separation of immiscible carbohydrate and hydrophobic blocks (maltooligosaccharides with 1-4 glucose units and solanesol, respectively). BCOs with various star-shaped architectures and saccharide volume fractions were synthesized using a modular approach. In the bulk, the BCOs self-assembled into common lamellar, cylindrical, and spherical carbohydrate microdomains as well as double gyroid, hexagonally perforated lamellar, and Fddd network morphologies with domain spacings of ∼7 nm. In thin films, long-range-ordered periodic carbohydrate microdomains were fabricated via spin coating. Such controlled spatial arrangements of functional carbohydrate moieties on the nanoscale have great application potential in biomedical and nanofabrication fields.
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Affiliation(s)
- Takuya Isono
- Faculty of Engineering, Hokkaido University, Sapporo 060-8628, Japan
| | - Ryoya Komaki
- Graduate School of Chemical Sciences and Engineering, Hokkaido University, Sapporo 060-8628, Japan
| | - Nao Kawakami
- Graduate School of Chemical Sciences and Engineering, Hokkaido University, Sapporo 060-8628, Japan
| | - Kai Chen
- Department of Chemical Engineering, National Tsing Hua University, Hsinchu 30013, Taiwan
| | - Hsin-Lung Chen
- Department of Chemical Engineering, National Tsing Hua University, Hsinchu 30013, Taiwan
| | - Chaehun Lee
- Graduate School of Chemical Sciences and Engineering, Hokkaido University, Sapporo 060-8628, Japan
| | - Kazushige Suzuki
- Faculty of Engineering, Hokkaido University, Sapporo 060-8628, Japan
| | - Brian J Ree
- Faculty of Engineering, Hokkaido University, Sapporo 060-8628, Japan
| | - Hiroaki Mamiya
- National Institute for Materials Science, Tsukuba 305-0047, Japan
| | - Takuya Yamamoto
- Faculty of Engineering, Hokkaido University, Sapporo 060-8628, Japan
| | | | - Kenji Tajima
- Faculty of Engineering, Hokkaido University, Sapporo 060-8628, Japan
| | - Toshifumi Satoh
- Faculty of Engineering, Hokkaido University, Sapporo 060-8628, Japan
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6
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Asano S, Choi J, Tran TH, Chanthaset N, Ajiro H. The influence of chain‐end functionalization and stereocomplexation on the degradation stability under alkaline condition. POLYM ADVAN TECHNOL 2021. [DOI: 10.1002/pat.5573] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
Affiliation(s)
- Shin Asano
- Division of Materials Science, Graduate School of Science and Technology Nara Institute of Science and Technology Ikoma Nara Japan
| | - Jaeyeong Choi
- Division of Materials Science, Graduate School of Science and Technology Nara Institute of Science and Technology Ikoma Nara Japan
| | - Thi Hang Tran
- Faculty of Chemical Technology Viet Tri University of Industry, Ministry of Industry and Trade Lam Thao Phu Tho Vietnam
| | - Nalinthip Chanthaset
- Division of Materials Science, Graduate School of Science and Technology Nara Institute of Science and Technology Ikoma Nara Japan
| | - Hiroharu Ajiro
- Division of Materials Science, Graduate School of Science and Technology Nara Institute of Science and Technology Ikoma Nara Japan
- Data Science Center Nara Institute of Science and Technology Ikoma Nara Japan
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7
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Wojaczyńska E, Steppeler F, Iwan D, Scherrmann MC, Marra A. Synthesis and Applications of Carbohydrate-Based Organocatalysts. Molecules 2021; 26:7291. [PMID: 34885873 PMCID: PMC8659088 DOI: 10.3390/molecules26237291] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/04/2021] [Revised: 11/22/2021] [Accepted: 11/24/2021] [Indexed: 12/22/2022] Open
Abstract
Organocatalysis is a very useful tool for the asymmetric synthesis of biologically or pharmacologically active compounds because it avoids the use of noxious metals, which are difficult to eliminate from the target products. Moreover, in many cases, the organocatalysed reactions can be performed in benign solvents and do not require anhydrous conditions. It is well-known that most of the above-mentioned reactions are promoted by a simple aminoacid, l-proline, or, to a lesser extent, by the more complex cinchona alkaloids. However, during the past three decades, other enantiopure natural compounds, the carbohydrates, have been employed as organocatalysts. In the present exhaustive review, the detailed preparation of all the sugar-based organocatalysts as well as their catalytic properties are described.
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Affiliation(s)
- Elżbieta Wojaczyńska
- Faculty of Chemistry, Wrocław University of Science and Technology, Wybrzeże Wyspiańskiego 27, 50 370 Wrocław, Poland
| | - Franz Steppeler
- Faculty of Chemistry, Wrocław University of Science and Technology, Wybrzeże Wyspiańskiego 27, 50 370 Wrocław, Poland
| | - Dominika Iwan
- Faculty of Chemistry, Wrocław University of Science and Technology, Wybrzeże Wyspiańskiego 27, 50 370 Wrocław, Poland
| | - Marie-Christine Scherrmann
- Institut de Chimie Moléculaire et des Matériaux d'Orsay (ICMMO), Université Paris-Saclay, Bâtiment 420, 91405 Orsay, France
| | - Alberto Marra
- Institut des Biomolécules Max Mousseron (IBMM-UMR 5247), Université de Montpellier, Pôle Chimie Balard Recherche, 1919 Route de Mende, 34293 Montpellier, France
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8
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Zhao B, Yang S, Deng J, Pan K. Chiral Graphene Hybrid Materials: Structures, Properties, and Chiral Applications. ADVANCED SCIENCE (WEINHEIM, BADEN-WURTTEMBERG, GERMANY) 2021; 8:2003681. [PMID: 33854894 PMCID: PMC8025009 DOI: 10.1002/advs.202003681] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/26/2020] [Revised: 11/14/2020] [Indexed: 05/02/2023]
Abstract
Chirality has become an important research subject. The research areas associated with chirality are under substantial development. Meanwhile, graphene is a rapidly growing star material and has hard-wired into diverse disciplines. Rational combination of graphene and chirality undoubtedly creates unprecedented functional materials and may also lead to great findings. This hypothesis has been clearly justified by the sizable number of studies. Unfortunately, there has not been any previous review paper summarizing the scattered studies and advancements on this topic so far. This overview paper attempts to review the progress made in chiral materials developed from graphene and their derivatives, with the hope of providing a systemic knowledge about the construction of chiral graphenes and chiral applications thereof. Recently emerging directions, existing challenges, and future perspectives are also presented. It is hoped this paper will arouse more interest and promote further faster progress in these significant research areas.
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Affiliation(s)
- Biao Zhao
- State Key Laboratory of Chemical Resource EngineeringBeijing University of Chemical TechnologyBeijing100029China
- College of Materials Science and EngineeringBeijing University of Chemical TechnologyBeijing100029China
| | - Shenghua Yang
- State Key Laboratory of Chemical Resource EngineeringBeijing University of Chemical TechnologyBeijing100029China
- College of Materials Science and EngineeringBeijing University of Chemical TechnologyBeijing100029China
| | - Jianping Deng
- State Key Laboratory of Chemical Resource EngineeringBeijing University of Chemical TechnologyBeijing100029China
- College of Materials Science and EngineeringBeijing University of Chemical TechnologyBeijing100029China
| | - Kai Pan
- College of Materials Science and EngineeringBeijing University of Chemical TechnologyBeijing100029China
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Ikai T, Okubo M, Wada Y. Helical Assemblies of One-Dimensional Supramolecular Polymers Composed of Helical Macromolecules: Generation of Circularly Polarized Light Using an Infinitesimal Chiral Source. J Am Chem Soc 2020; 142:3254-3261. [PMID: 31983202 DOI: 10.1021/jacs.9b13584] [Citation(s) in RCA: 56] [Impact Index Per Article: 14.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/04/2023]
Abstract
We report the synthesis of one-dimensional supramolecular polymers composed of one-handed helical macromolecules bearing fluorescent pendant groups and the generation of circularly polarized light on the basis of hierarchical chiral amplification starting from a tiny amount of chiral substituent. Copolymerization of benzo[1,2-b:4,5-b']dithiophene-appended achiral/chiral isocyanides (99:1, mol/mol) with a solid-state photoluminescence feature afforded submicrometer supramolecular fibers, in which almost perfect single-handed helical polyisocyanides were noncovalently connected end to end. The resulting helical supramolecular polymers were further helically assembled to form a cholesteric liquid crystal film with an intense circularly polarized luminescence (CPL) signal. Surprisingly, the supramolecular system containing only 0.01 mol % of the chiral monomer unit also emitted the observable circularly polarized light owing to multiple chiral amplification from an infinitesimal point chirality to helical chirality and then to supramolecular chirality. Furthermore, chiral information was efficiently transferred from the helically assembled supramolecular system containing 1 mol % of the chiral unit to achiral dye molecules blended in the film, allowing full-color tunable induced CPL with luminescence dissymmetry factors greater than 1.0 × 10-2. This unprecedentedly strong chiral amplification enables the creation of helical supramolecular polymers and chirally assembled systems with various chiral functions based solely on an infinitesimal chiral source.
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Affiliation(s)
- Tomoyuki Ikai
- Graduate School of Natural Science and Technology , Kanazawa University , Kakuma-machi, Kanazawa 920-1192 , Japan.,Department of Molecular and Macromolecular Chemistry, Graduate School of Engineering , Nagoya University , Chikusa-ku, Nagoya 464-8603 , Japan
| | - Mitsuhiro Okubo
- Graduate School of Natural Science and Technology , Kanazawa University , Kakuma-machi, Kanazawa 920-1192 , Japan
| | - Yuya Wada
- Graduate School of Natural Science and Technology , Kanazawa University , Kakuma-machi, Kanazawa 920-1192 , Japan
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Ikai T, Yoshida T. Synthesis of helical π-conjugated polymers bearing pyridine N-oxide pendants and asymmetric allylation of aldehydes in the helical cavity. Org Biomol Chem 2019; 17:8537-8540. [PMID: 31517376 DOI: 10.1039/c9ob01828j] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
Catalytically active chiral π-conjugated polymers (poly-1(NO)r) bearing pyridine N-oxide pendants were synthesized by ternary copolymerization of a d-glucose-bound diethynyl compound with two types of thieno[3,4-b]thiophene comonomer, one of which contained a pyridine N-oxide group. When the pyridine N-oxide content in the copolymer was 10 mol% (poly-1(NO)0.10), the polymer backbone formed a one-handed helical structure in acetonitrile. Pyridine N-oxide pendants arranged inside the helical cavity of poly-1(NO)0.10 exhibited catalytic activity for the asymmetric allylation of benzaldehydes, producing the corresponding allyl alcohols with up to 43% ee.
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Affiliation(s)
- Tomoyuki Ikai
- Graduate School of Natural Science and Technology, Kanazawa University, Kakuma-machi, Kanazawa 920-1192, Japan
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11
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IKAI T. Synthesis of Optically Active Polymers Containing Carbohydrate Units as a Chiral Source and Exploration of Their Functions. KOBUNSHI RONBUNSHU 2018. [DOI: 10.1295/koron.2018-0008] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/15/2023]
Affiliation(s)
- Tomoyuki IKAI
- Graduate School of Natural Science and Technology, Kanazawa University
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12
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Toya M, Ito H, Itami K. Recent advances in acetylene-based helical oligomers and polymers: Synthesis, structures, and properties. Tetrahedron Lett 2018. [DOI: 10.1016/j.tetlet.2018.03.018] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
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13
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Ikai T, Shimizu S, Awata S, Shinohara KI. Chiral Amplification in π-Conjugated Helical Polymers with Circularly Polarized Luminescence. Macromolecules 2018. [DOI: 10.1021/acs.macromol.8b00229] [Citation(s) in RCA: 33] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/27/2023]
Affiliation(s)
- Tomoyuki Ikai
- Graduate School of Natural Science and Technology, Kanazawa University, Kakuma-machi, Kanazawa 920-1192, Japan
| | - Sho Shimizu
- Graduate School of Natural Science and Technology, Kanazawa University, Kakuma-machi, Kanazawa 920-1192, Japan
| | - Seiya Awata
- Graduate School of Natural Science and Technology, Kanazawa University, Kakuma-machi, Kanazawa 920-1192, Japan
| | - Ken-ichi Shinohara
- School of Materials Science, Japan Advanced Institute of Science and Technology (JAIST), 1-1
Asahi-dai, Nomi 923-1292, Japan
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14
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Guo S, Kamite H, Suzuki N, Wang L, Ohkubo A, Fujiki M. Ambidextrous Chirality Transfer Capability from Cellulose Tris(phenylcarbamate) to Nonhelical Chainlike Luminophores: Achiral Solvent-Driven Helix-Helix Transition of Oligo- and Polyfluorenes Revealed by Sign Inversion of Circularly Polarized Luminescence and Circular Dichroism Spectra. Biomacromolecules 2018; 19:449-459. [PMID: 29220164 DOI: 10.1021/acs.biomac.7b01554] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/05/2023]
Abstract
We investigated whether helicity and/or chirality of cellulose tris(phenylcarbamate) (CTPC) can transfer to noncharged, nonhelical oligo- and polyfluorenes when CTPC was employed as a solution processable homochiral platform of a D-glucose-skeletal polymer. Noticeably, CTPC revealed the solvent-driven, ambidextrous intermolecular helicity/chirality transfer capability to these fluorenes. The chiroptical inversion characteristics of circularly polarized luminescence (CPL) and the corresponding CD spectra were realized by solely choosing a proper achiral solvent and/or achiral cosolvent. When the solution of PF6 and CTPC in tetrahydrofuran (THF) was cast on a quartz substrate, the dissymmetry ratio of CPL (gCPL) from the polymer film showed gCPL = +2.1 × 10-3 at 429 nm. Conversely, when dichloromethane (DCM) was used as the solvent, the CPL sign was inverted to gCPL = -2.4 × 10-3 at 429 nm. The dissymmetry ratio of Cotton CD band (gCD) from the THF solution was gCD = +3.2 × 10-3 at 392 nm; conversely, from the DCM, the CD sign inverted to gCD = -0.8 × 10-3 at 371 nm. The sign and magnitude of the gCD values were interpreted to a London dispersion term (δd) of Hansen solubility parameter (δ) of the casting solvents rather than a dipole-dipole interaction term (δp) and a hydrogen bonding interaction term (δh) of the δ values and dielectric constant (ε). Analysis of solvent-driven changes in FTIR spectra, wide-angle X-ray diffraction profiles, and differential scanning calorimetry diagrams indicated that solvent driven on-off switching of multiple hydrogen bonds due to three urethane groups of CTPC play the key for the inversion. Intermolecular CH/π and π-π interactions among phenyl rings and alkyl groups were assumed to be crucial for helicity/chirality transfer capability based on molecular mechanics and molecular dynamics simulations of PF6-CTPC hybrids. These chiroptical inversion characteristics arose from solvent-driven order-disorder transition characteristics of the CTPC helix rather than a helix-helix transition of CTPC itself.
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Affiliation(s)
- Sibo Guo
- Graduate School of Materials Science, Nara Institute of Science and Technology , 8916-5 Takayama, Ikoma, Nara 630-0192, Japan
| | - Hiroki Kamite
- Graduate School of Materials Science, Nara Institute of Science and Technology , 8916-5 Takayama, Ikoma, Nara 630-0192, Japan
| | - Nozomu Suzuki
- Graduate School of Materials Science, Nara Institute of Science and Technology , 8916-5 Takayama, Ikoma, Nara 630-0192, Japan.,Department of Chemistry, College of Science, Rikkyo University , 3-34-1 Nishi-Ikebukuro, Toshima, Tokyo 171-8501, Japan
| | - Laibing Wang
- Graduate School of Materials Science, Nara Institute of Science and Technology , 8916-5 Takayama, Ikoma, Nara 630-0192, Japan
| | - Asuka Ohkubo
- Graduate School of Materials Science, Nara Institute of Science and Technology , 8916-5 Takayama, Ikoma, Nara 630-0192, Japan
| | - Michiya Fujiki
- Graduate School of Materials Science, Nara Institute of Science and Technology , 8916-5 Takayama, Ikoma, Nara 630-0192, Japan
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15
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Su T, Qi X, Zuo G, Pan X, Zhang J, Han Z, Dong W. Polysaccharide metallohydrogel obtained from Salecan and trivalent chromium: Synthesis and characterization. Carbohydr Polym 2018; 181:285-291. [DOI: 10.1016/j.carbpol.2017.10.088] [Citation(s) in RCA: 34] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/20/2017] [Revised: 10/17/2017] [Accepted: 10/25/2017] [Indexed: 11/24/2022]
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16
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Kulikov OV, Siriwardane DA, Budhathoki-Uprety J, McCandless GT, Mahmood SF, Novak BM. The secondary structures of PEG-functionalized random copolymers derived from (R)- and (S)- families of alkyne polycarbodiimides. Polym Chem 2018. [DOI: 10.1039/c8py00282g] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/04/2023]
Abstract
Macromolecular micelles: a hydrophobic polyamidine backbone surrounded by hydrophilic PEG chains.
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Affiliation(s)
- Oleg V. Kulikov
- Department of Chemistry
- Massachusetts Institute of Technology
- Cambridge
- USA
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17
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Ikai T, Awata S, Shinohara KI. Synthesis of a helical π-conjugated polymer with a dynamic hydrogen-bonded network in the helical cavity and its circularly polarized luminescence properties. Polym Chem 2018. [DOI: 10.1039/c7py01867c] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/04/2023]
Abstract
We have succeeded in developing a circularly polarized luminescent π-conjugated polymer with a dynamic hydrogen-bonded network in the helical cavity.
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Affiliation(s)
- Tomoyuki Ikai
- Graduate School of Natural Science and Technology
- Kanazawa University
- Kanazawa 920-1192
- Japan
| | - Seiya Awata
- Graduate School of Natural Science and Technology
- Kanazawa University
- Kanazawa 920-1192
- Japan
| | - Ken-ichi Shinohara
- School of Materials Science
- Japan Advanced Institute of Science and Technology (JAIST)
- Nomi 923-1292
- Japan
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18
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Mimura Y, Kitamura S, Shizuma M, Kitamatsu M, Fujiki M, Imai Y. Solvent-Sensitive Sign Inversion of Excimer Origin Circularly Polarized Luminescence in Bipyrenyl Peptides. ChemistrySelect 2017. [DOI: 10.1002/slct.201701315] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/11/2023]
Affiliation(s)
- Yuki Mimura
- Department of Applied Chemistry; Faculty of Science and Engineering; Kindai University, 3-4-1 Kowakae, Higashi-Osaka; Osaka 577-8502 Japan
| | - Sayaka Kitamura
- Department of Applied Chemistry; Faculty of Science and Engineering; Kindai University, 3-4-1 Kowakae, Higashi-Osaka; Osaka 577-8502 Japan
| | - Motohiro Shizuma
- Department of Biochemistry; Osaka Municipal Technical Research Institute, 1-6-50 Morinomiya, Joto-ku; Osaka 536-8553 Japan
| | - Mizuki Kitamatsu
- Department of Applied Chemistry; Faculty of Science and Engineering; Kindai University, 3-4-1 Kowakae, Higashi-Osaka; Osaka 577-8502 Japan
| | - Michiya Fujiki
- Graduate School of Materials Science; Nara Institute of School and Technology, Takayama, Ikoma; Nara 630-0192 Japan
| | - Yoshitane Imai
- Department of Applied Chemistry; Faculty of Science and Engineering; Kindai University, 3-4-1 Kowakae, Higashi-Osaka; Osaka 577-8502 Japan
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19
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Ikai T, Kojima Y, Shinohara KI, Maeda K, Kanoh S. Cellulose derivatives bearing pyrene-based π-conjugated pendants with circularly polarized luminescence in molecularly dispersed state. POLYMER 2017. [DOI: 10.1016/j.polymer.2017.04.032] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
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20
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Ikai T, Suzuki D, Shinohara KI, Maeda K, Kanoh S. A cellulose-based chiral fluorescent sensor for aromatic nitro compounds with central, axial and planar chirality. Polym Chem 2017. [DOI: 10.1039/c7py00285h] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
This is the first example of a powerful chiral fluorescent sensor applicable to a wide range of chiral compounds with central, axial and planar chirality.
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Affiliation(s)
- Tomoyuki Ikai
- Graduate School of Natural Science and Technology
- Kanazawa University
- Kanazawa 920-1192
- Japan
| | - Daisuke Suzuki
- Graduate School of Natural Science and Technology
- Kanazawa University
- Kanazawa 920-1192
- Japan
| | - Ken-ichi Shinohara
- School of Materials Science
- Japan Advanced Institute of Science and Technology
- Nomi 923-1292
- Japan
| | - Katsuhiro Maeda
- Graduate School of Natural Science and Technology
- Kanazawa University
- Kanazawa 920-1192
- Japan
| | - Shigeyoshi Kanoh
- Graduate School of Natural Science and Technology
- Kanazawa University
- Kanazawa 920-1192
- Japan
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21
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Ikai T, Awata S, Kudo T, Ishidate R, Maeda K, Kanoh S. Chiral stationary phases consisting of π-conjugated polymers bearing glucose-linked biphenyl units: reversible switching of resolution abilities based on a coil-to-helix transition. Polym Chem 2017. [DOI: 10.1039/c7py00804j] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
We have succeeded in developing a novel chiral stationary phase that can reversibly switch resolution abilities based on a coil-to-helix transition in a column.
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Affiliation(s)
- Tomoyuki Ikai
- Graduate School of Natural Science and Technology
- Kanazawa University
- Kanazawa 920-1192
- Japan
| | - Seiya Awata
- Graduate School of Natural Science and Technology
- Kanazawa University
- Kanazawa 920-1192
- Japan
| | - Tomoya Kudo
- Graduate School of Natural Science and Technology
- Kanazawa University
- Kanazawa 920-1192
- Japan
| | - Ryoma Ishidate
- Graduate School of Natural Science and Technology
- Kanazawa University
- Kanazawa 920-1192
- Japan
| | - Katsuhiro Maeda
- Graduate School of Natural Science and Technology
- Kanazawa University
- Kanazawa 920-1192
- Japan
| | - Shigeyoshi Kanoh
- Graduate School of Natural Science and Technology
- Kanazawa University
- Kanazawa 920-1192
- Japan
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