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Chakma P, Zeitler SM, Baum F, Yu J, Shindy W, Pozzo LD, Golder MR. Mechanoredox Catalysis Enables a Sustainable and Versatile Reversible Addition-Fragmentation Chain Transfer Polymerization Process. Angew Chem Int Ed Engl 2023; 62:e202215733. [PMID: 36395245 DOI: 10.1002/anie.202215733] [Citation(s) in RCA: 9] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/25/2022] [Indexed: 11/19/2022]
Abstract
The sustainable synthesis of macromolecules with control over sequence and molar mass remains a challenge in polymer chemistry. By coupling mechanochemistry and electron-transfer processes (i.e., mechanoredox catalysis), an energy-conscious controlled radical polymerization methodology is realized. This work explores an efficient mechanoredox reversible addition-fragmentation chain transfer (RAFT) polymerization process using mechanical stimuli by implementing piezoelectric barium titanate and a diaryliodonium initiator with minimal solvent usage. This mechanoredox RAFT process demonstrates exquisite control over poly(meth)acrylate dispersity and chain length while also showcasing an alternative to the solution-state synthesis of semifluorinated polymers that typically utilize exotic solvents and/or reagents. This chemistry will find utility in the sustainable development of materials across the energy, biomedical, and engineering communities.
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Affiliation(s)
- Progyateg Chakma
- Department of Chemistry and Molecular Engineering & Science Institute, University of Washington, 36 Bagley Hall, Seattle, WA 98195, USA
| | - Sarah M Zeitler
- Department of Chemistry and Molecular Engineering & Science Institute, University of Washington, 36 Bagley Hall, Seattle, WA 98195, USA
| | - Fábio Baum
- Department of Chemical Engineering and Department of Material Science & Engineering, University of Washington, 105 Benson Hall, Seattle, WA 98195, USA
| | - Jiatong Yu
- Department of Chemistry and Molecular Engineering & Science Institute, University of Washington, 36 Bagley Hall, Seattle, WA 98195, USA
| | - Waseem Shindy
- Department of Chemistry and Molecular Engineering & Science Institute, University of Washington, 36 Bagley Hall, Seattle, WA 98195, USA
| | - Lilo D Pozzo
- Department of Chemical Engineering and Department of Material Science & Engineering, University of Washington, 105 Benson Hall, Seattle, WA 98195, USA
| | - Matthew R Golder
- Department of Chemistry and Molecular Engineering & Science Institute, University of Washington, 36 Bagley Hall, Seattle, WA 98195, USA
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2
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Plumet J. 1,3-Dipolar Cycloaddition Reactions of Nitrile Oxides under "Non-Conventional" Conditions: Green Solvents, Irradiation, and Continuous Flow. Chempluschem 2021; 85:2252-2271. [PMID: 33044044 DOI: 10.1002/cplu.202000448] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/07/2020] [Revised: 08/11/2020] [Indexed: 01/15/2023]
Abstract
The 1,3-dipolar cycloaddition reactions (DCs) of nitrile oxides (NOs) to alkenes and alkynes are useful methods for the synthesis of 2-isoxazolines and isoxazoles respectively, which are important classes of heterocyclic compounds in organic and medicinal chemistry. Most of these reactions are carried out in organic solvents and under thermal activation. Nevertheless the use of supercritical carbon dioxide (scCO2 ) and ionic liquids (Ils) as alternative solvents and the application of microwave (MW) and ultrasound (US) as alternative activation procedures have evident advantages from the "Green Chemistry" point of view. The critical discussion on the applications of these "unconventional" activation methods and reaction conditions in the 1,3-DCs of NOs is the objective of the present Review.
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Affiliation(s)
- Joaquín Plumet
- Department of Organic Chemistry. Faculty of Chemistry, Complutense University of Madrid, Ciudad Universitaria, 28040, Madrid, Spain
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3
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Schumacher C, Hernández JG, Bolm C. Electro-Mechanochemical Atom Transfer Radical Cyclizations using Piezoelectric BaTiO 3. Angew Chem Int Ed Engl 2020; 59:16357-16360. [PMID: 32515540 PMCID: PMC7540587 DOI: 10.1002/anie.202003565] [Citation(s) in RCA: 52] [Impact Index Per Article: 13.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/09/2020] [Revised: 04/18/2020] [Indexed: 12/21/2022]
Abstract
The formation and regeneration of active CuI species is a fundamental mechanistic step in copper-catalyzed atom transfer radical cyclizations (ATRC). Typically, the presence of the catalytically active CuI species in the reaction mixture is secured by using high CuI catalyst loadings or the addition of complementary reducing agents. In this study it is demonstrated how the piezoelectric properties of barium titanate (BaTiO3 ) can be harnessed by mechanical ball milling to induce electrical polarization in the strained piezomaterial. This strategy enables the conversion of mechanical energy into electrical energy, leading to the reduction of a CuII precatalyst into the active CuI species in copper-catalyzed mechanochemical solvent-free ATRC reactions.
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Affiliation(s)
- Christian Schumacher
- Institute of Organic ChemistryRWTH Aachen UniversityLandoltweg 152074AachenGermany
| | - José G. Hernández
- Institute of Organic ChemistryRWTH Aachen UniversityLandoltweg 152074AachenGermany
| | - Carsten Bolm
- Institute of Organic ChemistryRWTH Aachen UniversityLandoltweg 152074AachenGermany
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4
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Schumacher C, Hernández JG, Bolm C. Electro‐Mechanochemical Atom Transfer Radical Cyclizations using Piezoelectric BaTiO
3. Angew Chem Int Ed Engl 2020. [DOI: 10.1002/ange.202003565] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Affiliation(s)
- Christian Schumacher
- Institute of Organic ChemistryRWTH Aachen University Landoltweg 1 52074 Aachen Germany
| | - José G. Hernández
- Institute of Organic ChemistryRWTH Aachen University Landoltweg 1 52074 Aachen Germany
| | - Carsten Bolm
- Institute of Organic ChemistryRWTH Aachen University Landoltweg 1 52074 Aachen Germany
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5
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Zaborniak I, Chmielarz P. Ultrasound-Mediated Atom Transfer Radical Polymerization (ATRP). MATERIALS (BASEL, SWITZERLAND) 2019; 12:E3600. [PMID: 31684008 PMCID: PMC6862563 DOI: 10.3390/ma12213600] [Citation(s) in RCA: 33] [Impact Index Per Article: 6.6] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 09/24/2019] [Revised: 10/29/2019] [Accepted: 10/31/2019] [Indexed: 12/22/2022]
Abstract
Ultrasonic agitation is an external stimulus, rapidly developed in recent years in the atom transfer radical polymerization (ATRP) approach. This review presents the current state-of-the-art in the application of ultrasound in ATRP, including an initially-developed, mechanically-initiated solution with the use of piezoelectric nanoparticles, that next goes to the ultrasonication-mediated method utilizing ultrasound as a factor for producing radicals through the homolytic cleavage of polymer chains, or the sonolysis of solvent or other small molecules. Future perspectives in the field of ultrasound in ATRP are presented, focusing on the preparation of more complex architectures with highly predictable molecular weights and versatile properties. The challenges also include biohybrid materials. Recent advances in the ultrasound-mediated ATRP point out this approach as an excellent tool for the synthesis of advanced materials with a wide range of potential industrial applications.
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Affiliation(s)
- Izabela Zaborniak
- Department of Physical Chemistry, Faculty of Chemistry, Rzeszow University of Technology, Al. Powstańców Warszawy 6, 35-959 Rzeszów, Poland.
| | - Paweł Chmielarz
- Department of Physical Chemistry, Faculty of Chemistry, Rzeszow University of Technology, Al. Powstańców Warszawy 6, 35-959 Rzeszów, Poland.
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Wang Z, Ayarza J, Esser-Kahn AP. Mechanically Initiated Bulk-Scale Free-Radical Polymerization. Angew Chem Int Ed Engl 2019; 58:12023-12026. [PMID: 31267620 DOI: 10.1002/anie.201903956] [Citation(s) in RCA: 30] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/04/2019] [Revised: 07/01/2019] [Indexed: 01/05/2023]
Abstract
Mechanical initiation of polymerization offers the chance to generate polymers in new environments using an energy source with unique capabilities. Recently, a renewed interest in mechanically controlled polymerization has yielded many techniques for controlled radical polymerization by ultrasound. However, other types of polymerizations induced by mechanical activation are rare, especially for generating high-molecular-weight polymers. Herein is an example of using piezoelectric ZnO nanoparticles to generate free-radical species that initiate chain-growth polymerization and polymer crosslinking. The fast generation of high amounts of reactive radicals enable the formation of polymer/gel by ultrasound activation. This chemistry can be used to harness mechanical energy for constructive purposes in polymeric materials and for controlled polymerizations for bulk-scale reactions.
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Affiliation(s)
- Zhao Wang
- Institute of Molecular Engineering, University of Chicago, Chicago, IL, 60637, USA
| | - Jorge Ayarza
- Institute of Molecular Engineering, University of Chicago, Chicago, IL, 60637, USA
| | - Aaron P Esser-Kahn
- Institute of Molecular Engineering, University of Chicago, Chicago, IL, 60637, USA
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7
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Wang Z, Ayarza J, Esser‐Kahn AP. Mechanically Initiated Bulk‐Scale Free‐Radical Polymerization. Angew Chem Int Ed Engl 2019. [DOI: 10.1002/ange.201903956] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Affiliation(s)
- Zhao Wang
- Institute of Molecular Engineering University of Chicago Chicago IL 60637 USA
| | - Jorge Ayarza
- Institute of Molecular Engineering University of Chicago Chicago IL 60637 USA
| | - Aaron P. Esser‐Kahn
- Institute of Molecular Engineering University of Chicago Chicago IL 60637 USA
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8
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Lee JS, Ko NY, Kwak NH, Ying WB, Lee B. Toughening of semi‐IPN structured epoxy using a new PEEK‐type polymer via
in situ
azide–alkyne click polymerization. J Appl Polym Sci 2019. [DOI: 10.1002/app.48178] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/05/2023]
Affiliation(s)
- Jin Seo Lee
- Department of Fine Chemical Engineering and Applied ChemistryChungnam National University 220 Gung‐dong, Yuseong‐gu, Daejeon 305‐764 Korea
| | - Na Yeong Ko
- Department of Fine Chemical Engineering and Applied ChemistryChungnam National University 220 Gung‐dong, Yuseong‐gu, Daejeon 305‐764 Korea
| | - Nho Hoon Kwak
- Department of Fine Chemical Engineering and Applied ChemistryChungnam National University 220 Gung‐dong, Yuseong‐gu, Daejeon 305‐764 Korea
| | - Wu Bin Ying
- Key Laboratory of Bio‐based Polymeric Materials Technology and Application of Zhejiang ProvinceNingbo Institute of Materials Technology and Engineering, Chinese Academy of Sciences Zhongguan West Road 1219, Ningbo 315201 People's Republic of China
| | - Bumjae Lee
- Department of Fine Chemical Engineering and Applied ChemistryChungnam National University 220 Gung‐dong, Yuseong‐gu, Daejeon 305‐764 Korea
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Dong S, Sun Y, Liu J, Li L, He J, Zhang M, Ni P. Multifunctional Polymeric Prodrug with Simultaneous Conjugating Camptothecin and Doxorubicin for pH/Reduction Dual-Responsive Drug Delivery. ACS APPLIED MATERIALS & INTERFACES 2019; 11:8740-8748. [PMID: 30693750 DOI: 10.1021/acsami.8b16363] [Citation(s) in RCA: 40] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/14/2023]
Abstract
Amphiphilic polymeric prodrugs show improved therapeutic indices with respect to traditional hydrophobic anticancer drugs because these prodrugs can self-assemble into nanoparticles, prolong the circulation of drugs in the blood, improve the accumulation of drugs in the disease site, reduce the side effects of drugs, and achieve therapeutic effect. Here, we describe a novel pH/reduction dual-responsive polymeric prodrug, abbreviated as CPT- ss-poly(BYP- hyd-DOX- co-EEP), with simultaneous conjugating camptothecin (CPT) and doxorubicin (DOX), wherein BYP and EEP represent two cyclic phosphate monomers, respectively, that is, 2-(but-3-yn-1-yloxy)-2-oxo-1,3,2-dioxaphospholane and 2-ethoxy-2-oxo-1,3,2-dioxaphospholane. This prodrug was prepared through a polyphosphoester-DOX conjugate using a CPT derivative (CPT- ss-OH) as the initiator. CPT is linked to the terminal of polyphosphoester via disulfide carbonate, which is easy to break up under intracellular reductive environment and release the parent CPT, whereas DOX was efficiently incorporated onto the pendants of polyphosphoester through a hydrazone bond (- hyd-), which would be cleaved in the intracellular acidic medium. We show that the stable prodrug nanoparticles formed by self-assembly could release CPT and DOX simultaneously in the tumor microenvironment. The results of MTT assay demonstrate that the prodrug, which binds two antitumor drugs simultaneouly, has the properties of dual pH/reduction sensitiveness, biocompatibility, biodegradability, and effective tumor therapy.
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Affiliation(s)
- Shuxiang Dong
- State and Local Joint Engineering Laboratory for Novel Functional Polymeric Materials, Jiangsu Key Laboratory of Advanced Functional Polymer Design and Application, Suzhou Key Laboratory of Macromolecular Design and Precision Synthesis, College of Chemistry, Chemical Engineering and Materials Science , Soochow University , Suzhou 215123 , P. R. China
| | - Yue Sun
- State and Local Joint Engineering Laboratory for Novel Functional Polymeric Materials, Jiangsu Key Laboratory of Advanced Functional Polymer Design and Application, Suzhou Key Laboratory of Macromolecular Design and Precision Synthesis, College of Chemistry, Chemical Engineering and Materials Science , Soochow University , Suzhou 215123 , P. R. China
| | - Jie Liu
- State and Local Joint Engineering Laboratory for Novel Functional Polymeric Materials, Jiangsu Key Laboratory of Advanced Functional Polymer Design and Application, Suzhou Key Laboratory of Macromolecular Design and Precision Synthesis, College of Chemistry, Chemical Engineering and Materials Science , Soochow University , Suzhou 215123 , P. R. China
| | - Lei Li
- State and Local Joint Engineering Laboratory for Novel Functional Polymeric Materials, Jiangsu Key Laboratory of Advanced Functional Polymer Design and Application, Suzhou Key Laboratory of Macromolecular Design and Precision Synthesis, College of Chemistry, Chemical Engineering and Materials Science , Soochow University , Suzhou 215123 , P. R. China
| | - Jinlin He
- State and Local Joint Engineering Laboratory for Novel Functional Polymeric Materials, Jiangsu Key Laboratory of Advanced Functional Polymer Design and Application, Suzhou Key Laboratory of Macromolecular Design and Precision Synthesis, College of Chemistry, Chemical Engineering and Materials Science , Soochow University , Suzhou 215123 , P. R. China
| | - Mingzu Zhang
- State and Local Joint Engineering Laboratory for Novel Functional Polymeric Materials, Jiangsu Key Laboratory of Advanced Functional Polymer Design and Application, Suzhou Key Laboratory of Macromolecular Design and Precision Synthesis, College of Chemistry, Chemical Engineering and Materials Science , Soochow University , Suzhou 215123 , P. R. China
| | - Peihong Ni
- State and Local Joint Engineering Laboratory for Novel Functional Polymeric Materials, Jiangsu Key Laboratory of Advanced Functional Polymer Design and Application, Suzhou Key Laboratory of Macromolecular Design and Precision Synthesis, College of Chemistry, Chemical Engineering and Materials Science , Soochow University , Suzhou 215123 , P. R. China
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