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Itoh T, Suzuki T, Kondo F, Suzuki T, Uno T, Kubo M, Tohnai N, Sanda F, Miyata M. Preservation of the Conformational Structures of Single-Polymer Crystals in Solution. Macromolecules 2022. [DOI: 10.1021/acs.macromol.2c00437] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Takahito Itoh
- Department of Chemistry for Materials, Graduate School of Engineering, Mie University, 1577 Kurimamachiya-cho, Tsu-shi, Mie 514-8507, Japan
| | - Tatsuya Suzuki
- Department of Chemistry for Materials, Graduate School of Engineering, Mie University, 1577 Kurimamachiya-cho, Tsu-shi, Mie 514-8507, Japan
| | - Fumiaki Kondo
- Department of Chemistry for Materials, Graduate School of Engineering, Mie University, 1577 Kurimamachiya-cho, Tsu-shi, Mie 514-8507, Japan
| | - Takumi Suzuki
- Department of Chemistry for Materials, Graduate School of Engineering, Mie University, 1577 Kurimamachiya-cho, Tsu-shi, Mie 514-8507, Japan
| | - Takahiro Uno
- Department of Chemistry for Materials, Graduate School of Engineering, Mie University, 1577 Kurimamachiya-cho, Tsu-shi, Mie 514-8507, Japan
| | - Masataka Kubo
- Department of Chemistry for Materials, Graduate School of Engineering, Mie University, 1577 Kurimamachiya-cho, Tsu-shi, Mie 514-8507, Japan
| | - Norimitsu Tohnai
- Department of Applied Chemistry, Graduate School of Engineering, Osaka University, 2-1 Yamadaoka, Suita, Osaka 565-0871, Japan
| | - Fumio Sanda
- Department of Chemistry and Materials Engineering, Faculty of Chemistry, Materials and Bioengineering, Kansai University, Suita, Osaka 564-8680, Japan
| | - Mikiji Miyata
- The Institute of Scientific and Industrial Research, Osaka University, 8-1 Mihogaoka, Ibaraki, Osaka 567-0047, Japan
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Ravi A, Hassan SZ, Bhandary S, Sureshan KM. Topochemical Postulates: Are They Relevant for Topochemical Reactions Occurring at Elevated Temperatures? Angew Chem Int Ed Engl 2022; 61:e202200954. [PMID: 35258143 DOI: 10.1002/anie.202200954] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/19/2022] [Indexed: 12/26/2022]
Abstract
A rigid inositol-derived monomer functionalized with azide and alkyne as the complementary reactive groups (CRGs) crystallized as three distinct polymorphs I-III. Despite the unsuitable orientation of CRGs in the crystals for complete polymerization, all the three polymorphs underwent regiospecific and quantitative topochemical azide-alkyne cycloaddition (TAAC) polymerization upon heating to yield three different polymorphs of 1,2,3-triazol-1,4-diyl-linked-poly-neo-inositol. The molecules in these polymorphs exploit the weak intermolecular interactions, free space in the crystal lattice, and heat energy for their large and cooperative molecular motion to attain a transient reactive orientation, ultimately leading to the regiospecific TAAC reaction yielding distinct crystalline polymers. This study cautions that the overreliance on topochemical postulates for the prediction of topochemical reactivity at high temperatures could be misleading.
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Affiliation(s)
- Arthi Ravi
- School of Chemistry, Indian Institute of Science Education and Research Thiruvananthapuram, 695551, Vithura, India
| | - Syed Zahid Hassan
- School of Chemistry, Indian Institute of Science Education and Research Thiruvananthapuram, 695551, Vithura, India.,Present Address: Department of Chemical Engineering, Pohang University of Science & Technology (POSTECH), Pohang, 37673, Republic of Korea
| | - Subhrajyoti Bhandary
- School of Chemistry, Indian Institute of Science Education and Research Thiruvananthapuram, 695551, Vithura, India.,Present Address: Department of Chemistry, Ghent University, Krijgslaan 281-S3, 9000, Ghent, Belgium
| | - Kana M Sureshan
- School of Chemistry, Indian Institute of Science Education and Research Thiruvananthapuram, 695551, Vithura, India
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3
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Ravi A, Hassan SZ, Bhandary S, Sureshan KM. Topochemical Postulates: Are They Relevant for Topochemical Reactions Occurring at Elevated Temperatures? Angew Chem Int Ed Engl 2022. [DOI: 10.1002/ange.202200954] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Affiliation(s)
- Arthi Ravi
- School of Chemistry Indian Institute of Science Education and Research Thiruvananthapuram 695551 Vithura India
| | - Syed Zahid Hassan
- School of Chemistry Indian Institute of Science Education and Research Thiruvananthapuram 695551 Vithura India
- Present Address: Department of Chemical Engineering Pohang University of Science & Technology (POSTECH) Pohang 37673 Republic of Korea
| | - Subhrajyoti Bhandary
- School of Chemistry Indian Institute of Science Education and Research Thiruvananthapuram 695551 Vithura India
- Present Address: Department of Chemistry Ghent University Krijgslaan 281-S3 9000 Ghent Belgium
| | - Kana M. Sureshan
- School of Chemistry Indian Institute of Science Education and Research Thiruvananthapuram 695551 Vithura India
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Anderson CL, Li H, Jones CG, Teat SJ, Settineri NS, Dailing EA, Liang J, Mao H, Yang C, Klivansky LM, Li X, Reimer JA, Nelson HM, Liu Y. Solution-processable and functionalizable ultra-high molecular weight polymers via topochemical synthesis. Nat Commun 2021; 12:6818. [PMID: 34819494 PMCID: PMC8613210 DOI: 10.1038/s41467-021-27090-1] [Citation(s) in RCA: 22] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/02/2021] [Accepted: 11/01/2021] [Indexed: 01/25/2023] Open
Abstract
Topochemical polymerization reactions hold the promise of producing ultra-high molecular weight crystalline polymers. However, the totality of topochemical polymerization reactions has failed to produce ultra-high molecular weight polymers that are both soluble and display variable functionality, which are restrained by the crystal-packing and reactivity requirements on their respective monomers in the solid state. Herein, we demonstrate the topochemical polymerization reaction of a family of para-azaquinodimethane compounds that undergo facile visible light and thermally initiated polymerization in the solid state, allowing for the first determination of a topochemical polymer crystal structure resolved via the cryoelectron microscopy technique of microcrystal electron diffraction. The topochemical polymerization reaction also displays excellent functional group tolerance, accommodating both solubilizing side chains and reactive groups that allow for post-polymerization functionalization. The thus-produced soluble ultra-high molecular weight polymers display superior capacitive energy storage properties. This study overcomes several synthetic and characterization challenges amongst topochemical polymerization reactions, representing a critical step toward their broader application.
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Affiliation(s)
- Christopher L Anderson
- The Molecular Foundry, Lawrence Berkeley National Laboratory, One Cyclotron Road, Berkeley, CA, 94720, USA
- Department of Chemistry, University of California, Berkeley, Berkeley, CA, 94720, USA
| | - He Li
- The Molecular Foundry, Lawrence Berkeley National Laboratory, One Cyclotron Road, Berkeley, CA, 94720, USA
- Materials Sciences Division, Lawrence Berkeley National Laboratory, One Cyclotron Road, Berkeley, CA, 94720, USA
| | - Christopher G Jones
- Department of Chemistry and Biochemistry, University of California, Los Angeles, Los Angeles, CA, 90095, USA
| | - Simon J Teat
- Advanced Light Source, Lawrence Berkeley National Laboratory, One Cyclotron Road, Berkeley, CA, 94720, USA
| | - Nicholas S Settineri
- Department of Chemistry, University of California, Berkeley, Berkeley, CA, 94720, USA
- Advanced Light Source, Lawrence Berkeley National Laboratory, One Cyclotron Road, Berkeley, CA, 94720, USA
| | - Eric A Dailing
- The Molecular Foundry, Lawrence Berkeley National Laboratory, One Cyclotron Road, Berkeley, CA, 94720, USA
| | - Jiatao Liang
- The Molecular Foundry, Lawrence Berkeley National Laboratory, One Cyclotron Road, Berkeley, CA, 94720, USA
- Department of Chemistry, University of California, Berkeley, Berkeley, CA, 94720, USA
| | - Haiyan Mao
- Department of Chemical and Biomolecular Engineering, University of California, Berkeley, Berkeley, CA, 94720, USA
| | - Chongqing Yang
- The Molecular Foundry, Lawrence Berkeley National Laboratory, One Cyclotron Road, Berkeley, CA, 94720, USA
| | - Liana M Klivansky
- The Molecular Foundry, Lawrence Berkeley National Laboratory, One Cyclotron Road, Berkeley, CA, 94720, USA
| | - Xinle Li
- The Molecular Foundry, Lawrence Berkeley National Laboratory, One Cyclotron Road, Berkeley, CA, 94720, USA
| | - Jeffrey A Reimer
- Department of Chemical and Biomolecular Engineering, University of California, Berkeley, Berkeley, CA, 94720, USA
| | - Hosea M Nelson
- Department of Chemistry and Biochemistry, University of California, Los Angeles, Los Angeles, CA, 90095, USA.
| | - Yi Liu
- The Molecular Foundry, Lawrence Berkeley National Laboratory, One Cyclotron Road, Berkeley, CA, 94720, USA.
- Materials Sciences Division, Lawrence Berkeley National Laboratory, One Cyclotron Road, Berkeley, CA, 94720, USA.
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Hema K, Ravi A, Raju C, Pathan JR, Rai R, Sureshan KM. Topochemical polymerizations for the solid-state synthesis of organic polymers. Chem Soc Rev 2021; 50:4062-4099. [PMID: 33543741 DOI: 10.1039/d0cs00840k] [Citation(s) in RCA: 65] [Impact Index Per Article: 21.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
Topochemical polymerizations are solid-state reactions driven by the alignment of monomers in the crystalline state. The molecular confinement in the monomer crystal lattice offers precise control over the tacticity, packing and crystallinity of the polymer formed in the topochemical reaction. As topochemical reactions occur under solvent- and catalyst-free conditions, giving products in high yield and selectivity/specificity that do not require tedious chromatographic purification, topochemical polymerizations are highly attractive over traditional solution-phase polymer synthesis. By this method, polymers having sophisticated structures and desired topologies can be availed. Often, such ordered packing confers attractive properties to the topochemically-synthesized polymers. Diverse categories of topochemical polymerizations are known, such as polymerizations via [2+2], [4+4], [4+2], and [3+2] cycloadditions, and polymerization of diynes, triynes, dienes, trienes, and quinodimethanes, each of which proceed under suitable stimuli like heat, light or pressure. Each class of these reactions requires a unique packing arrangement of the corresponding monomers for the smooth reaction and produces polymers with distinct properties. This review is penned with the intent of bringing all the types of topochemical polymerizations into a single platform and communicating the versatility of these lattice-controlled polymerizations. We present a brief history of the development of each category and comprehensively review the topochemical synthesis of fully-organic polymers reported in the last twenty years, particularly in crystals. We mainly focus on the various molecular designs and crystal engineering strategies adopted to align monomers in a suitable orientation for polymerization. Finally, we analyze the current challenges and future perspectives in this research field.
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Affiliation(s)
- Kuntrapakam Hema
- School of Chemistry, Indian Institute of Science Education and Research Thiruvananthapuram, Kerala 695551, India.
| | - Arthi Ravi
- School of Chemistry, Indian Institute of Science Education and Research Thiruvananthapuram, Kerala 695551, India.
| | - Cijil Raju
- School of Chemistry, Indian Institute of Science Education and Research Thiruvananthapuram, Kerala 695551, India.
| | - Javed R Pathan
- School of Chemistry, Indian Institute of Science Education and Research Thiruvananthapuram, Kerala 695551, India.
| | - Rishika Rai
- School of Chemistry, Indian Institute of Science Education and Research Thiruvananthapuram, Kerala 695551, India.
| | - Kana M Sureshan
- School of Chemistry, Indian Institute of Science Education and Research Thiruvananthapuram, Kerala 695551, India.
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Chang JJ, Pan HM, Goto A. Synthesis of vinyl iodide chain-end polymers via organocatalyzed chain-end transformation. Chem Commun (Camb) 2021; 57:1105-1108. [PMID: 33443256 DOI: 10.1039/d0cc07987a] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
In the presence of alkynes (CH[triple bond, length as m-dash]C-R2), iodide chain-end polymers (Polymer-I) were successfully transformed to vinyl iodide chain-end polymers (polymer-CH[double bond, length as m-dash]CR2-I) in a single step via organocatalysis. This reaction is completely metal-free and easy to carry out without using special reagents or special conditions. The polymers encompassing polyacrylates and polymethacrylate, and additional functionalities (e.g., OH and CF3) were also incorporated into the R2 moiety. The obtained Polymer-CH[double bond, length as m-dash]CR2-I further served as a useful precursor for copper-catalyzed cross-coupling reactions with various thiols (R3-SH) to yield vinyl sulfide chain-end polymers (polymer-CH[double bond, length as m-dash]CR2-SR3) with various R3 moieties. Interestingly, under selected conditions, this organocatalysis also offered block-like copolymers containing a conjugated oligo-alkyne segment and a non-conjugated polyacrylate segment. Exploiting the unique structure, the block-like copolymer was used as an efficient dispersant of carbon nanotubes.
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Affiliation(s)
- Jun Jie Chang
- Division of Chemistry and Biological Chemistry, School of Physical and Mathematical Sciences, Nanyang Technological University, 21 Nanyang Link, 637371, Singapore.
| | - Houwen Matthew Pan
- Division of Chemistry and Biological Chemistry, School of Physical and Mathematical Sciences, Nanyang Technological University, 21 Nanyang Link, 637371, Singapore.
| | - Atsushi Goto
- Division of Chemistry and Biological Chemistry, School of Physical and Mathematical Sciences, Nanyang Technological University, 21 Nanyang Link, 637371, Singapore.
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