1
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Guo Y, Guo G, Liu P, You Y, Yuan J, Hu G, Dai L, North M, Xie H, Zheng Q. The synthesis of multifunctional cellulose graft alternating copolymers of 3,4-dihydrocoumarin and epoxides in DBU/DMSO/CO 2 solvent system. Int J Biol Macromol 2023; 252:126584. [PMID: 37648137 DOI: 10.1016/j.ijbiomac.2023.126584] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/23/2023] [Revised: 08/15/2023] [Accepted: 08/27/2023] [Indexed: 09/01/2023]
Abstract
Cellulose graft copolymers having well-defined structures could incorporate the characteristics of both the cellulose skeleton and side chains, providing a new method for the preparation functionalised cellulose derivatives. Herein, a series of multifunctional cellulose grafted, alternating 3,4-dihydrocoumarin (DHC) and epoxide (EPO) copolymers (cell-g-P(DHC-alt-EPO)) were prepared in a metal-free DBU/DMSO/CO2 solvent system without adding additional catalyst. Four examples of cell-g-P(DHC-alt-EPO) with tunable thermal and optical properties were synthesized by copolymerization of DHC with styrene oxide (SO), propylene oxide (PO), cyclohexene oxide (CHO) or furfuryl glycidyl ether (FGE) onto cellulose. The nonconjugated cell-g-P(DHC-alt-EPO) showed UV absorption properties with the maximum absorption peak at 282 nm and 295 nm and photoluminescence performance. A clustering-triggered emission mechanism was confirmed and consistent with DFT theoretical calculations. In DMSO solution, the copolymer (DHCSO5) with DP of 11.64 showed ACQ behaviour as the concentration increased. In addition, DHCSO5 had good antioxidant capacity with an instantaneous radical scavenging activity of 2,2-diphenyl-1-picrylhydrazine (DPPH) up to 65 % at a concentration of 40 mg/ ml and increased to 100 % after 30 min. Thus, the multifunctional cell-g-P(DHC-alt-EPO) materials had a variety of potential applications in the fields of fluorescent printing, bio-imaging, UV- shielding and antioxidants.
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Affiliation(s)
- Yuanlong Guo
- Department of Polymeric Materials & Engineering, Guizhou University, West Campus, Guizhou University, Huaxi District, Guiyang 550025, PR China
| | - Gu Guo
- Department of Polymeric Materials & Engineering, Guizhou University, West Campus, Guizhou University, Huaxi District, Guiyang 550025, PR China
| | - Pengcheng Liu
- Department of Polymeric Materials & Engineering, Guizhou University, West Campus, Guizhou University, Huaxi District, Guiyang 550025, PR China
| | - Yang You
- Department of Polymeric Materials & Engineering, Guizhou University, West Campus, Guizhou University, Huaxi District, Guiyang 550025, PR China
| | - Jili Yuan
- Department of Polymeric Materials & Engineering, Guizhou University, West Campus, Guizhou University, Huaxi District, Guiyang 550025, PR China
| | - Gang Hu
- Department of Polymeric Materials & Engineering, Guizhou University, West Campus, Guizhou University, Huaxi District, Guiyang 550025, PR China
| | - Lei Dai
- Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, PR China
| | - Michael North
- Green Chemistry Centre of Excellence, Department of Chemistry, University of York, York YO10 5DD, UK
| | - Haibo Xie
- Department of Polymeric Materials & Engineering, Guizhou University, West Campus, Guizhou University, Huaxi District, Guiyang 550025, PR China.
| | - Qiang Zheng
- Taiyuan University of Technology, Wanbolin District, Taiyuan 030024, PR China.
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2
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Ahmad Shariff SH, Daik R, Haris MS, Ismail MW. Hydrophobic Drug Carrier from Polycaprolactone- b-Poly(Ethylene Glycol) Star-Shaped Polymers Hydrogel Blend as Potential for Wound Healing Application. Polymers (Basel) 2023; 15:polym15092072. [PMID: 37177238 PMCID: PMC10181117 DOI: 10.3390/polym15092072] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/13/2023] [Revised: 04/14/2023] [Accepted: 04/19/2023] [Indexed: 05/15/2023] Open
Abstract
Blending hydrogel with an amphiphilic polymer can increase the hydrophobic drug loading and entrapment efficiency of hydrogel-based formulations. In this study, a hydrogel formulation with star-shaped polycaprolactone-b-poly(ethylene glycol) (PCL-b-PEG) as the hydrophobic drug cargo is produced. The 4-arm and 6-arm star-shaped PCL are synthesized with different molecular weights (5000, 10,000, 15,000 g/mol) via ROP and MPEG as the hydrophilic segment is attached via the Steglich esterification. FTIR and 1H-NMR analysis showed the presence of all functional groups for homopolymers and copolymers. Mn for all synthesized polymers is close to the theoretical value while GPC spectra showed a monomodal peak with narrow molecular weight distribution (PDI:1.01-1.25). The thermal degradation temperature and crystalline melting point of synthesized polymers increase with the increase in molecular weight and number of arms. All formulations possess high drug loading and entrapment efficiency (>99%) and increase with increasing molecular weight, number of arms, and amount of polymer in the formulations. All formulations showed a sustained drug release pattern with no initial burst, which follows the Korsmeyer-Peppas kinetic model. The polymer hydrogel formulations showed antibacterial activity against E. coli and S. aureus. The hydrogel containing 4-arm PCL15k-PEG is chosen as the best formulation due to its high drug release, good antimicrobial activity, and morphology.
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Affiliation(s)
- Siti Hajar Ahmad Shariff
- Department of Chemistry, Kulliyyah of Science, International Islamic University Malaysia, Kuantan 25200, Malaysia
| | - Rusli Daik
- Department of Chemical Sciences, Faculty of Science & Technology, Universiti Kebangsaan Malaysia, Bangi 43600, Malaysia
| | - Muhammad Salahuddin Haris
- Department of Pharmaceutical Technology, Kulliyyah of Pharmacy, International Islamic University Malaysia, Kuantan 25200, Malaysia
- IKOP Pharma Sdn Bhd, Kuantan 25200, Malaysia
| | - Mohamad Wafiuddin Ismail
- Department of Chemistry, Kulliyyah of Science, International Islamic University Malaysia, Kuantan 25200, Malaysia
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3
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Xu J, Zhang P, Yuan Y, Hadjichristidis N. Elucidation of the Alternating Copolymerization Mechanism of Epoxides or Aziridines with Cyclic Anhydrides in the Presence of Halide Salts. Angew Chem Int Ed Engl 2023; 62:e202218891. [PMID: 36734167 DOI: 10.1002/anie.202218891] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/21/2022] [Revised: 01/27/2023] [Accepted: 02/01/2023] [Indexed: 02/04/2023]
Abstract
Organic halide salts in combination with metal or organic compound are the most common and essential catalysts in ring-opening copolymerizations (ROCOP). However, the role of organic halide salts was neglected. Here, we have uncovered the complex behavior of organic halides in ROCOP of epoxides or aziridine with cyclic anhydride. Coordination of the chain-ends to cations, electron-withdrawing effect, leaving ability of halide atoms, chain-end basicity/nucleophilicity, and terminal steric hindrance cause three types of side reactions: single-site transesterification, substitution, and elimination. Understanding the complex functions of organic halide salts in ROCOP led us to develop highly active and selective aminocyclopropenium chlorides as catalysts/initiators. Adjustable H-bonding interactions of aminocyclopropenium with propagating anions and epoxides create chain-end coordination process that generate highly reactive carboxylate and highly selective alkoxide chain-ends.
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Affiliation(s)
- Jiaxi Xu
- King Abdullah University of Science and Technology (KAUST), Physical Sciences and Engineering Division, KAUST Catalysis Center, Polymer Synthesis Laboratory, Thuwal, 23955, Saudi Arabia
| | - Pengfei Zhang
- King Abdullah University of Science and Technology (KAUST), Physical Sciences and Engineering Division, KAUST Catalysis Center, Polymer Synthesis Laboratory, Thuwal, 23955, Saudi Arabia
| | - Youyou Yuan
- King Abdullah University of Science and Technology (KAUST), Imaging and Characterization Core Lab, Thuwal, 23955, Saudi Arabia
| | - Nikos Hadjichristidis
- King Abdullah University of Science and Technology (KAUST), Physical Sciences and Engineering Division, KAUST Catalysis Center, Polymer Synthesis Laboratory, Thuwal, 23955, Saudi Arabia
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4
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Li MQ, Luo ZX, Yu XY, Tian GQ, Wu G, Chen SC, Wang YZ. Ring-Opening Polymerization of a Seven-Membered Lactone toward a Biocompatible, Degradable, and Recyclable Semi-aromatic Polyester. Macromolecules 2023. [DOI: 10.1021/acs.macromol.2c02172] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/17/2023]
Affiliation(s)
- Mao-Qin Li
- The Collaborative Innovation Center for Eco-Friendly and Fire-Safety Polymeric Materials (MoE), National Engineering Laboratory of Eco-Friendly Polymeric Materials (Sichuan), State Key Laboratory of Polymer Materials Engineering, College of Chemistry, Sichuan University, Chengdu 610064, China
| | - Zi-Xuan Luo
- The Collaborative Innovation Center for Eco-Friendly and Fire-Safety Polymeric Materials (MoE), National Engineering Laboratory of Eco-Friendly Polymeric Materials (Sichuan), State Key Laboratory of Polymer Materials Engineering, College of Chemistry, Sichuan University, Chengdu 610064, China
| | - Xiao-Yan Yu
- The Collaborative Innovation Center for Eco-Friendly and Fire-Safety Polymeric Materials (MoE), National Engineering Laboratory of Eco-Friendly Polymeric Materials (Sichuan), State Key Laboratory of Polymer Materials Engineering, College of Chemistry, Sichuan University, Chengdu 610064, China
| | - Guo-Qiang Tian
- The Collaborative Innovation Center for Eco-Friendly and Fire-Safety Polymeric Materials (MoE), National Engineering Laboratory of Eco-Friendly Polymeric Materials (Sichuan), State Key Laboratory of Polymer Materials Engineering, College of Chemistry, Sichuan University, Chengdu 610064, China
| | - Gang Wu
- The Collaborative Innovation Center for Eco-Friendly and Fire-Safety Polymeric Materials (MoE), National Engineering Laboratory of Eco-Friendly Polymeric Materials (Sichuan), State Key Laboratory of Polymer Materials Engineering, College of Chemistry, Sichuan University, Chengdu 610064, China
| | - Si-Chong Chen
- The Collaborative Innovation Center for Eco-Friendly and Fire-Safety Polymeric Materials (MoE), National Engineering Laboratory of Eco-Friendly Polymeric Materials (Sichuan), State Key Laboratory of Polymer Materials Engineering, College of Chemistry, Sichuan University, Chengdu 610064, China
| | - Yu-Zhong Wang
- The Collaborative Innovation Center for Eco-Friendly and Fire-Safety Polymeric Materials (MoE), National Engineering Laboratory of Eco-Friendly Polymeric Materials (Sichuan), State Key Laboratory of Polymer Materials Engineering, College of Chemistry, Sichuan University, Chengdu 610064, China
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5
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Wang X, Huo Z, Xie X, Shanaiah N, Tong R. Recent Advances in Sequence-Controlled Ring-Opening Copolymerizations of Monomer Mixtures. Chem Asian J 2023; 18:e202201147. [PMID: 36571563 DOI: 10.1002/asia.202201147] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/13/2022] [Revised: 12/14/2022] [Accepted: 12/23/2022] [Indexed: 12/27/2022]
Abstract
Transforming renewable resources into functional and degradable polymers is driven by the ever-increasing demand to replace unsustainable polyolefins. However, the utility of many degradable homopolymers remains limited due to their inferior properties compared to commodity polyolefins. Therefore, the synthesis of sequence-defined copolymers from one-pot monomer mixtures is not only conceptually appealing in chemistry, but also economically attractive by maximizing materials usage and improving polymers' performances. Among many polymerization strategies, ring-opening (co)polymerization of cyclic monomers enables efficient access to degradable polymers with high control on molecular weights and molecular weight distributions. Herein, we highlight recent advances in achieving one-pot, sequence-controlled polymerizations of cyclic monomer mixtures using a single catalytic system that combines multiple catalytic cycles. The scopes of cyclic monomers, catalysts, and polymerization mechanisms are presented for this type of sequence-controlled ring-opening copolymerization.
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Affiliation(s)
- Xiaoqian Wang
- Department of Chemical Engineering, Virginia Polytechnic Institute and State University, 635 Prices Fork Road, 24061, Blacksburg, VA, USA
| | - Ziyu Huo
- Department of Chemical Engineering, Virginia Polytechnic Institute and State University, 635 Prices Fork Road, 24061, Blacksburg, VA, USA
| | - Xiaoyu Xie
- Department of Chemical Engineering, Virginia Polytechnic Institute and State University, 635 Prices Fork Road, 24061, Blacksburg, VA, USA
| | - Narasimhamurthy Shanaiah
- Department of Chemistry, Virginia Polytechnic Institute and State University, 1040 Drillfield Drive, 24061, Blacksburg, VA, USA
| | - Rong Tong
- Department of Chemical Engineering, Virginia Polytechnic Institute and State University, 635 Prices Fork Road, 24061, Blacksburg, VA, USA
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6
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Rupf S, Pröhm P, Plajer AJ. Lithium achieves sequence selective ring-opening terpolymerisation (ROTERP) of ternary monomer mixtures. Chem Sci 2022; 13:6355-6365. [PMID: 35733883 PMCID: PMC9159086 DOI: 10.1039/d2sc01776h] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/28/2022] [Accepted: 05/04/2022] [Indexed: 11/21/2022] Open
Abstract
Heteroatom-containing degradable polymers have strong potential as sustainable replacements for petrochemically derived materials. However, to accelerate and broaden their uptake greater structural diversity and new synthetic methodologies are required. Here we report a sequence selective ring-opening terpolymerisation (ROTERP), in which three monomers (A, B, C) are selectively enchained into an (ABA'C) n sequence by a simple lithium catalyst. Degradable poly(ester-alt-ester-alt-trithiocarbonate)s are obtained in a M n range from 2.35 to 111.20 kDa which are not easily accessible via other polymerisation methodologies. The choice of alkali metal is key to achieve high activity and to control the terpolymer sequence. ROTERP is mechanistically compatible with ring-opening polymerisation (ROP) allowing switchable catalysis for blockpolymer synthesis. The ROTERP demonstrated in this study could be the first example of an entirely new family of sequence selective terpolymerisations.
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Affiliation(s)
- Susanne Rupf
- Intitut für Chemie und Biochemie, Freie Universität Berlin Fabeckstraße 34-36 14195 Berlin Germany
| | - Patrick Pröhm
- Intitut für Chemie und Biochemie, Freie Universität Berlin Fabeckstraße 34-36 14195 Berlin Germany
| | - Alex J Plajer
- Intitut für Chemie und Biochemie, Freie Universität Berlin Fabeckstraße 34-36 14195 Berlin Germany
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7
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Ji H, Wang B, Pan L, Liu X, Li Y. A green synthetic toolbox from organocatalytic alternating copolymerization of renewable epoxides and dihydrocoumarin. JOURNAL OF POLYMER SCIENCE 2022. [DOI: 10.1002/pol.20220082] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
Affiliation(s)
- He‐Yuan Ji
- Tianjin Key Lab of Composite & Functional Materials, School of Materials Science and Engineering Tianjin University Tianjin China
| | - Bin Wang
- Tianjin Key Lab of Composite & Functional Materials, School of Materials Science and Engineering Tianjin University Tianjin China
| | - Li Pan
- Tianjin Key Lab of Composite & Functional Materials, School of Materials Science and Engineering Tianjin University Tianjin China
| | - Xiao‐Hui Liu
- School of Materials Science and Engineering Tiangong University Tianjin China
| | - Yue‐Sheng Li
- Tianjin Key Lab of Composite & Functional Materials, School of Materials Science and Engineering Tianjin University Tianjin China
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8
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Lian J, Chen J, Luan S, Liu W, Zong B, Tao Y, Wang X. Organocatalytic Copolymerization of Cyclic Lysine Derivative and ε-Caprolactam toward Antibacterial Nylon-6 Polymers. ACS Macro Lett 2022; 11:46-52. [PMID: 35574805 DOI: 10.1021/acsmacrolett.1c00658] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
Functional polymers of nylon-6, particularly those with sustained antibacterial functions, have many practical applications. However, the development of functional ε-caprolactam monomers for the subsequent ring-opening copolymerization (ROCOP) formation of these materials remains a challenge. Here we report a t-BuP4-mediated ROCOP of dimethyl-protected cyclic lysine with ε-caprolactam, followed by quaternization, affording antibacterial nylon-6 polymers bearing quaternary ammonium functionality with high molecular weight (up to 77.4 kDa). The antibacterial nylon-6 polymers exhibited good physical and mechanical properties and strong antimicrobial activities. At 25 mol % quaternary ammonium group incorporation, the nylon-6 polymer demonstrated complete killing of Staphylococcus aureus (Gram-positive) and Escherichia coli (Gram-negative). The results from this study may provide a strategy for the facile preparation of antibacterial nylon-6 polymers to addressing the public health and safety challenges.
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Affiliation(s)
- Jiawei Lian
- University of Science and Technology of China, Hefei 230026, People’s Republic of China
| | | | | | - Wei Liu
- State Key Laboratory of catalytic Material and Reaction Engineering, Research Institute of Petroleum Progressing, SINOPEC, Beijing 100083, China
| | - Baoning Zong
- State Key Laboratory of catalytic Material and Reaction Engineering, Research Institute of Petroleum Progressing, SINOPEC, Beijing 100083, China
| | - Youhua Tao
- University of Science and Technology of China, Hefei 230026, People’s Republic of China
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9
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Plajer AJ, Williams CK. Heterocycle/Heteroallene Ring-Opening Copolymerization: Selective Catalysis Delivering Alternating Copolymers. Angew Chem Int Ed Engl 2022; 61:e202104495. [PMID: 34015162 PMCID: PMC9298364 DOI: 10.1002/anie.202104495] [Citation(s) in RCA: 46] [Impact Index Per Article: 23.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/31/2021] [Indexed: 11/29/2022]
Abstract
Heteroatom-containing polymers have strong potential as sustainable replacements for petrochemicals, show controllable monomer-polymer equilibria and properties spanning plastics, elastomers, fibres, resins, foams, coatings, adhesives, and self-assembled nanostructures. Their current and future applications span packaging, house-hold goods, clothing, automotive components, electronics, optical materials, sensors, and medical products. An interesting route to these polymers is the catalysed ring-opening copolymerisation (ROCOP) of heterocycles and heteroallenes. It is a living polymerization, occurs with high atom economy, and creates precise, new polymer structures inaccessible by traditional methods. In the last decade there has been a renaissance in research and increasing examples of commercial products made using ROCOP. It is better known in the production of polycarbonates and polyesters, but is also a powerful route to make N-, S-, and other heteroatom-containing polymers, including polyamides, polycarbamates, and polythioesters. This Review presents an overview of the different catalysts, monomer combinations, and polymer classes that can be accessed by heterocycle/heteroallene ROCOP.
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Affiliation(s)
- Alex J. Plajer
- Oxford ChemistryChemical Research Laboratory12 Mansfield RoadOxfordOX1 3TAUK
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10
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Plajer AJ, Williams CK. Heterocycle/Heteroallene Ring‐Opening Copolymerization: Selective Catalysis Delivering Alternating Copolymers. Angew Chem Int Ed Engl 2022. [DOI: 10.1002/ange.202104495] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Affiliation(s)
- Alex J. Plajer
- Oxford Chemistry Chemical Research Laboratory 12 Mansfield Road Oxford OX1 3TA UK
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11
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Lai T, Zhang P, Zhao J, Zhang G. Simple and Precision Approach to Polythioimidocarbonates and Hybrid Block Copolymer Derivatives. Macromolecules 2021. [DOI: 10.1021/acs.macromol.1c01889] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Affiliation(s)
- Tao Lai
- Faculty of Materials Science and Engineering, South China University of Technology, Guangzhou 510640, China
| | - Pengfei Zhang
- Faculty of Materials Science and Engineering, South China University of Technology, Guangzhou 510640, China
| | - Junpeng Zhao
- Faculty of Materials Science and Engineering, South China University of Technology, Guangzhou 510640, China
- Guangdong Provincial Key Laboratory of Luminescence from Molecular Aggregates, South China University of Technology, Guangzhou 510640, China
| | - Guangzhao Zhang
- Faculty of Materials Science and Engineering, South China University of Technology, Guangzhou 510640, China
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12
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Li LG, Wang QY, Zheng QY, Du FS, Li ZC. Tough and Thermally Recyclable Semiaromatic Polyesters by Ring-Opening Polymerization of Benzo-thia-caprolactones. Macromolecules 2021. [DOI: 10.1021/acs.macromol.1c00497] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Affiliation(s)
- Ling-Gao Li
- Beijing National Laboratory for Molecular Sciences, Key Laboratory of Polymer Chemistry and Physics of Ministry of Education, Center for Soft Matter Science and Engineering, College of Chemistry and Molecular Engineering, Peking University, Beijing 100871, China
| | - Qi-Yuan Wang
- Beijing National Laboratory for Molecular Sciences, Key Laboratory of Polymer Chemistry and Physics of Ministry of Education, Center for Soft Matter Science and Engineering, College of Chemistry and Molecular Engineering, Peking University, Beijing 100871, China
| | - Qiu-Yang Zheng
- Beijing National Laboratory for Molecular Sciences, Key Laboratory of Polymer Chemistry and Physics of Ministry of Education, Center for Soft Matter Science and Engineering, College of Chemistry and Molecular Engineering, Peking University, Beijing 100871, China
| | - Fu-Sheng Du
- Beijing National Laboratory for Molecular Sciences, Key Laboratory of Polymer Chemistry and Physics of Ministry of Education, Center for Soft Matter Science and Engineering, College of Chemistry and Molecular Engineering, Peking University, Beijing 100871, China
| | - Zi-Chen Li
- Beijing National Laboratory for Molecular Sciences, Key Laboratory of Polymer Chemistry and Physics of Ministry of Education, Center for Soft Matter Science and Engineering, College of Chemistry and Molecular Engineering, Peking University, Beijing 100871, China
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13
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Chen J, Dong Y, Xiao C, Tao Y, Wang X. Organocatalyzed Ring-Opening Polymerization of Cyclic Lysine Derivative: Sustainable Access to Cationic Poly(ε-lysine) Mimics. Macromolecules 2021. [DOI: 10.1021/acs.macromol.0c02689] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/02/2023]
Affiliation(s)
- Jinlong Chen
- Key Laboratory of Polymer Ecomaterials, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Renmin Street 5625, Changchun 130022, People’s Republic of China
| | - Yilin Dong
- Key Laboratory of Polymer Ecomaterials, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Renmin Street 5625, Changchun 130022, People’s Republic of China
| | - Chunsheng Xiao
- Key Laboratory of Polymer Ecomaterials, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Renmin Street 5625, Changchun 130022, People’s Republic of China
| | - Youhua Tao
- Key Laboratory of Polymer Ecomaterials, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Renmin Street 5625, Changchun 130022, People’s Republic of China
| | - Xianhong Wang
- Key Laboratory of Polymer Ecomaterials, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Renmin Street 5625, Changchun 130022, People’s Republic of China
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14
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Yang SS, Ren YZ, Guo YY, Du GF, Cai ZH, He L. Organocatalytic aminocarbonylation of α,β-unsaturated ketones with N, N-dimethyl carbamoylsilane. NEW J CHEM 2021. [DOI: 10.1039/d1nj00782c] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
Abstract
Schwesinger's superbase can efficiently activate the Si–CONMe2 bond and initiate the aminocarbonylation of α,β-unsaturated ketones and N,N-dimethyl carbamoylsilane.
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Affiliation(s)
- Shou-Shan Yang
- Key Laboratory for Green Processing of Chemical Engineering of Xinjiang Bingtuan
- School of Chemistry and Chemical Engineering
- Shihezi University
- Xinjiang Uygur Autonomous Region
- People's Republic of China
| | - Ying-Zheng Ren
- Key Laboratory for Green Processing of Chemical Engineering of Xinjiang Bingtuan
- School of Chemistry and Chemical Engineering
- Shihezi University
- Xinjiang Uygur Autonomous Region
- People's Republic of China
| | - Yu-Yu Guo
- Key Laboratory for Green Processing of Chemical Engineering of Xinjiang Bingtuan
- School of Chemistry and Chemical Engineering
- Shihezi University
- Xinjiang Uygur Autonomous Region
- People's Republic of China
| | - Guang-Fen Du
- Key Laboratory for Green Processing of Chemical Engineering of Xinjiang Bingtuan
- School of Chemistry and Chemical Engineering
- Shihezi University
- Xinjiang Uygur Autonomous Region
- People's Republic of China
| | - Zhi-Hua Cai
- Key Laboratory for Green Processing of Chemical Engineering of Xinjiang Bingtuan
- School of Chemistry and Chemical Engineering
- Shihezi University
- Xinjiang Uygur Autonomous Region
- People's Republic of China
| | - Lin He
- Key Laboratory for Green Processing of Chemical Engineering of Xinjiang Bingtuan
- School of Chemistry and Chemical Engineering
- Shihezi University
- Xinjiang Uygur Autonomous Region
- People's Republic of China
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15
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Puchelle V, Latreyte Y, Girardot M, Garnotel L, Levesque L, Coutelier O, Destarac M, Guégan P, Illy N. Functional Poly(ester- alt-sulfide)s Synthesized by Organo-Catalyzed Anionic Ring-Opening Alternating Copolymerization of Oxiranes and γ-Thiobutyrolactones. Macromolecules 2020. [DOI: 10.1021/acs.macromol.0c00261] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Affiliation(s)
- Valentin Puchelle
- Sorbonne Université, CNRS, Institut Parisien de Chimie Moléculaire, Equipe Chimie des Polymères, 4 place Jussieu, F-75005 Paris, France
| | - Yannick Latreyte
- Sorbonne Université, CNRS, Institut Parisien de Chimie Moléculaire, Equipe Chimie des Polymères, 4 place Jussieu, F-75005 Paris, France
| | - Mélanie Girardot
- Sorbonne Université, CNRS, Institut Parisien de Chimie Moléculaire, Equipe Chimie des Polymères, 4 place Jussieu, F-75005 Paris, France
| | - Laura Garnotel
- Sorbonne Université, CNRS, Institut Parisien de Chimie Moléculaire, Equipe Chimie des Polymères, 4 place Jussieu, F-75005 Paris, France
| | - Léa Levesque
- Sorbonne Université, CNRS, Institut Parisien de Chimie Moléculaire, Equipe Chimie des Polymères, 4 place Jussieu, F-75005 Paris, France
| | - Olivier Coutelier
- IMRCP, UMR 5623, CNRS, Université de Toulouse, 118 route de Narbonne, F-31062 Toulouse, France
| | - Mathias Destarac
- IMRCP, UMR 5623, CNRS, Université de Toulouse, 118 route de Narbonne, F-31062 Toulouse, France
| | - Philippe Guégan
- Sorbonne Université, CNRS, Institut Parisien de Chimie Moléculaire, Equipe Chimie des Polymères, 4 place Jussieu, F-75005 Paris, France
| | - Nicolas Illy
- Sorbonne Université, CNRS, Institut Parisien de Chimie Moléculaire, Equipe Chimie des Polymères, 4 place Jussieu, F-75005 Paris, France
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16
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Wang X, Ding Y, Tao Y, Wang Z, Wang Z, Yan J. Polycondensation of bis(α-diazo-1,3-dicarbonyl) compounds with dicarboxylic acids: an efficient access to functionalized alternating polyesters. Polym Chem 2020. [DOI: 10.1039/d0py00185f] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Abstract
We report an efficient and mild approach to functionalized alternating polyesters on the basis of O–H insertion polycondensation of bis(α-diazo-1,3-dicarbonyl) compounds with dicarboxylic acids.
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Affiliation(s)
- Xin Wang
- Changchun Institute of Applied Chemistry
- Chinese Academy of Sciences
- Changchun 130022
- China
- University of Science and Technology of China
| | - Yuanli Ding
- Changchun Institute of Applied Chemistry
- Chinese Academy of Sciences
- Changchun 130022
- China
| | - Youhua Tao
- Changchun Institute of Applied Chemistry
- Chinese Academy of Sciences
- Changchun 130022
- China
| | - Zikun Wang
- Changchun Institute of Applied Chemistry
- Chinese Academy of Sciences
- Changchun 130022
- China
- Department of Chemistry
| | - Zhen Wang
- Changchun Institute of Applied Chemistry
- Chinese Academy of Sciences
- Changchun 130022
- China
- University of Science and Technology of China
| | - Jingling Yan
- Changchun Institute of Applied Chemistry
- Chinese Academy of Sciences
- Changchun 130022
- China
- Ningbo Institute of Materials Technology & Engineering
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17
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Pappuru S, Chakraborty D. Progress in metal-free cooperative catalysis for the ring-opening copolymerization of cyclic anhydrides and epoxides. Eur Polym J 2019. [DOI: 10.1016/j.eurpolymj.2019.109276] [Citation(s) in RCA: 28] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
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18
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Yang HJ, Chai CQ, Zuo YK, Huang JF, Song YY, Jiang L, Huang WY, Jiang QM, Xue XQ, Jiang BB. Hybrid Copolymerization via the Combination of Proton Transfer and Ring-opening Polymerization. CHINESE JOURNAL OF POLYMER SCIENCE 2019. [DOI: 10.1007/s10118-020-2341-x] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
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19
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20
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Ochs J, Martínez-Tong DE, Alegria A, Barroso-Bujans F. Dielectric Relaxation as a Probe To Verify the Symmetrical Growth of Two-Arm Poly(glycidyl phenyl ether) Initiated by t-BuP 4/Ethylene Glycol. Macromolecules 2019. [DOI: 10.1021/acs.macromol.8b02530] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Jordan Ochs
- Materials Physics Center, CSIC-UPV/EHU, Paseo Manuel Lardizábal 5, San Sebastian 20018, Spain
- Donostia International
Physics Center (DIPC), Paseo Manuel Lardizábal 4, San Sebastian 20018, Spain
| | - Daniel E. Martínez-Tong
- Materials Physics Center, CSIC-UPV/EHU, Paseo Manuel Lardizábal 5, San Sebastian 20018, Spain
- Donostia International
Physics Center (DIPC), Paseo Manuel Lardizábal 4, San Sebastian 20018, Spain
| | - Angel Alegria
- Materials Physics Center, CSIC-UPV/EHU, Paseo Manuel Lardizábal 5, San Sebastian 20018, Spain
- Departamento de Física de Materiales, University of the Basque Country (UPV/EHU), Apartado 1072, San Sebastian 20080, Spain
| | - Fabienne Barroso-Bujans
- Materials Physics Center, CSIC-UPV/EHU, Paseo Manuel Lardizábal 5, San Sebastian 20018, Spain
- Donostia International
Physics Center (DIPC), Paseo Manuel Lardizábal 4, San Sebastian 20018, Spain
- IKERBASQUE - Basque
Foundation for Science, María Díaz de Haro 3, E-48013 Bilbao, Spain
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21
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Yue T, Zhang M, Gu G, Wang L, Ren W, Lu X. Precise Synthesis of Poly(thioester)s with Diverse Structures by Copolymerization of Cyclic Thioanhydrides and Episulfides Mediated by Organic Ammonium Salts. Angew Chem Int Ed Engl 2019; 58:618-623. [DOI: 10.1002/anie.201812135] [Citation(s) in RCA: 44] [Impact Index Per Article: 8.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/22/2018] [Revised: 11/15/2018] [Indexed: 11/07/2022]
Affiliation(s)
- Tian‐Jun Yue
- State Key Laboratory of Fine ChemicalsDalian University of Technology 2 Linggong Road Dalian 116024 China
| | - Ming‐Chao Zhang
- State Key Laboratory of Fine ChemicalsDalian University of Technology 2 Linggong Road Dalian 116024 China
| | - Ge‐Ge Gu
- State Key Laboratory of Fine ChemicalsDalian University of Technology 2 Linggong Road Dalian 116024 China
| | - Li‐Yang Wang
- State Key Laboratory of Fine ChemicalsDalian University of Technology 2 Linggong Road Dalian 116024 China
| | - Wei‐Min Ren
- State Key Laboratory of Fine ChemicalsDalian University of Technology 2 Linggong Road Dalian 116024 China
| | - Xiao‐Bing Lu
- State Key Laboratory of Fine ChemicalsDalian University of Technology 2 Linggong Road Dalian 116024 China
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22
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Abstract
Benzoxazines with amide linkages were successfully prepared from 3,4-dihydrocoumarine using either one-pot or stepwise pathways.
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Affiliation(s)
- Gizem Kaya
- Istanbul Technical University
- Department of Chemistry
- Istanbul
- Turkey
| | - Baris Kiskan
- Istanbul Technical University
- Department of Chemistry
- Istanbul
- Turkey
| | - Yusuf Yagci
- Istanbul Technical University
- Department of Chemistry
- Istanbul
- Turkey
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23
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Li H, Luo H, Zhao J, Zhang G. Sequence-Selective Terpolymerization from Monomer Mixtures Using a Simple Organocatalyst. ACS Macro Lett 2018; 7:1420-1425. [PMID: 35651231 DOI: 10.1021/acsmacrolett.8b00865] [Citation(s) in RCA: 45] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
One-step synthesis of block copolymer from mixed monomers is of great interest and challenge. Using a simple non-nucleophilic organobase as the catalyst, we have achieved sequence-selective terpolymerization from a mixture of phthalic anhydride (PA), an epoxide, and rac-lactide (LA). Alcohol-initiated alternating copolymerization of PA and epoxide occurs first and exclusively because PA is substantially more active than LA for reacting with base-activated hydroxyl. When PA is fully consumed, LA polymerizes from the termini of the first block while excess epoxide stays intact because of the mild basicity of the catalyst. The two polymerizations thus occur tandemly, both in chemoselective manners, so that an aromatic-aliphatic block copolyester is generated in this one-step synthesis. The effectiveness and versatility of this approach is demonstrated by the use of ethylene oxide and several monosubstituted epoxides as well as mono-, di-, or tetrahydroxy initiators.
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Affiliation(s)
- Heng Li
- Faculty of Materials Science and Engineering, South China University of Technology, Guangzhou 510640, People’s Republic of China
| | - Huitong Luo
- Faculty of Materials Science and Engineering, South China University of Technology, Guangzhou 510640, People’s Republic of China
| | - Junpeng Zhao
- Faculty of Materials Science and Engineering, South China University of Technology, Guangzhou 510640, People’s Republic of China
| | - Guangzhao Zhang
- Faculty of Materials Science and Engineering, South China University of Technology, Guangzhou 510640, People’s Republic of China
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24
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Yue T, Zhang M, Gu G, Wang L, Ren W, Lu X. Precise Synthesis of Poly(thioester)s with Diverse Structures by Copolymerization of Cyclic Thioanhydrides and Episulfides Mediated by Organic Ammonium Salts. Angew Chem Int Ed Engl 2018. [DOI: 10.1002/ange.201812135] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Affiliation(s)
- Tian‐Jun Yue
- State Key Laboratory of Fine ChemicalsDalian University of Technology 2 Linggong Road Dalian 116024 China
| | - Ming‐Chao Zhang
- State Key Laboratory of Fine ChemicalsDalian University of Technology 2 Linggong Road Dalian 116024 China
| | - Ge‐Ge Gu
- State Key Laboratory of Fine ChemicalsDalian University of Technology 2 Linggong Road Dalian 116024 China
| | - Li‐Yang Wang
- State Key Laboratory of Fine ChemicalsDalian University of Technology 2 Linggong Road Dalian 116024 China
| | - Wei‐Min Ren
- State Key Laboratory of Fine ChemicalsDalian University of Technology 2 Linggong Road Dalian 116024 China
| | - Xiao‐Bing Lu
- State Key Laboratory of Fine ChemicalsDalian University of Technology 2 Linggong Road Dalian 116024 China
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25
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Zhang CJ, Hu LF, Wu HL, Cao XH, Zhang XH. Dual Organocatalysts for Highly Active and Selective Synthesis of Linear Poly(γ-butyrolactone)s with High Molecular Weights. Macromolecules 2018. [DOI: 10.1021/acs.macromol.8b01757] [Citation(s) in RCA: 56] [Impact Index Per Article: 9.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Affiliation(s)
- Cheng-Jian Zhang
- MOE Key Laboratory of Macromolecular Synthesis and Functionalization, Department of Polymer Science and Engineering, Zhejiang University, Hangzhou Shi, Zhejiang Sheng 310027, China
| | - Lan-Fang Hu
- MOE Key Laboratory of Macromolecular Synthesis and Functionalization, Department of Polymer Science and Engineering, Zhejiang University, Hangzhou Shi, Zhejiang Sheng 310027, China
| | - Hai-Lin Wu
- MOE Key Laboratory of Macromolecular Synthesis and Functionalization, Department of Polymer Science and Engineering, Zhejiang University, Hangzhou Shi, Zhejiang Sheng 310027, China
| | - Xiao-Han Cao
- MOE Key Laboratory of Macromolecular Synthesis and Functionalization, Department of Polymer Science and Engineering, Zhejiang University, Hangzhou Shi, Zhejiang Sheng 310027, China
| | - Xing-Hong Zhang
- MOE Key Laboratory of Macromolecular Synthesis and Functionalization, Department of Polymer Science and Engineering, Zhejiang University, Hangzhou Shi, Zhejiang Sheng 310027, China
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26
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Zhang CJ, Wu HL, Li Y, Yang JL, Zhang XH. Precise synthesis of sulfur-containing polymers via cooperative dual organocatalysts with high activity. Nat Commun 2018; 9:2137. [PMID: 29849024 PMCID: PMC5976647 DOI: 10.1038/s41467-018-04554-5] [Citation(s) in RCA: 82] [Impact Index Per Article: 13.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/16/2017] [Accepted: 05/10/2018] [Indexed: 11/19/2022] Open
Abstract
Metal-free and controlled synthesis of sulfur-containing polymer is still a big challenge in polymer chemistry. Here, we report a metal-free, living copolymerization of carbonyl sulfide (COS) with epoxides via the cooperative catalysis of organic Lewis pairs including bases (e.g.: phosphazene, amidine, and guanidine) and thioureas as hydrogen-bond donors, afford well-defined poly(monothiocarbonate)s with 100% alternating degree, >99% tail-to-head content, controlled molecular weights (up to 98.4 kg/mol), and narrow molecular weight distributions (1.13-1.23). The effect of the types of Lewis pairs on the copolymerization of COS with several epoxides is investigated. The turnover frequencies (TOFs) of these Lewis pairs are as high as 112 h-1 at 25 °C. Kinetic and mechanistic results suggest that the supramolecular specific recognition of thiourea to epoxide and base to COS promote the copolymerization cooperatively. This strategy provides commercially available Lewis pairs for metal-free synthesis of sulfur-containing polymers with precise structure.
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Affiliation(s)
- Cheng-Jian Zhang
- MOE Key Laboratory of Macromolecular Synthesis and Functionalization, Department of Polymer Science and Engineering, Zhejiang University, Hangzhou, 310027, China
| | - Hai-Lin Wu
- MOE Key Laboratory of Macromolecular Synthesis and Functionalization, Department of Polymer Science and Engineering, Zhejiang University, Hangzhou, 310027, China
| | - Yang Li
- MOE Key Laboratory of Macromolecular Synthesis and Functionalization, Department of Polymer Science and Engineering, Zhejiang University, Hangzhou, 310027, China
| | - Jia-Liang Yang
- MOE Key Laboratory of Macromolecular Synthesis and Functionalization, Department of Polymer Science and Engineering, Zhejiang University, Hangzhou, 310027, China
| | - Xing-Hong Zhang
- MOE Key Laboratory of Macromolecular Synthesis and Functionalization, Department of Polymer Science and Engineering, Zhejiang University, Hangzhou, 310027, China.
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27
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Singhal A, Chauhan SMS. Free Radical Copolymerization of Acrylamide andN-Vinylpyrrolidone Catalyzed by Iron(III)porphyrins in the Presence of Ionic Liquids. ORG PREP PROCED INT 2018. [DOI: 10.1080/00304948.2018.1462076] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/23/2023]
Affiliation(s)
- Anchal Singhal
- Department of Chemistry, University of Delhi, Delhi 110 007, India
| | - S. M. S. Chauhan
- Department of Chemistry, University of Delhi, Delhi 110 007, India
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28
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Xia Y, Zhao J. Macromolecular architectures based on organocatalytic ring-opening (co)polymerization of epoxides. POLYMER 2018. [DOI: 10.1016/j.polymer.2018.03.047] [Citation(s) in RCA: 27] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
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29
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Li H, Luo H, Zhao J, Zhang G. Well-Defined and Structurally Diverse Aromatic Alternating Polyesters Synthesized by Simple Phosphazene Catalysis. Macromolecules 2018. [DOI: 10.1021/acs.macromol.8b00159] [Citation(s) in RCA: 58] [Impact Index Per Article: 9.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/28/2023]
Affiliation(s)
- Heng Li
- Faculty of Materials Science and Engineering, South China University of Technology, Guangzhou 510640, People’s Republic of China
| | - Huitong Luo
- Faculty of Materials Science and Engineering, South China University of Technology, Guangzhou 510640, People’s Republic of China
| | - Junpeng Zhao
- Faculty of Materials Science and Engineering, South China University of Technology, Guangzhou 510640, People’s Republic of China
| | - Guangzhao Zhang
- Faculty of Materials Science and Engineering, South China University of Technology, Guangzhou 510640, People’s Republic of China
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30
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Balint A, Papendick M, Clauss M, Müller C, Giesselmann F, Naumann S. Controlled preparation of amphiphilic triblock-copolyether in a metal- and solvent-free approach for tailored structure-directing agents. Chem Commun (Camb) 2018; 54:2220-2223. [DOI: 10.1039/c7cc09031e] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Abstract
Organocatalysis is employed as a precise tool for the preparation of triblock-copolyethers for a systematic access to structure-direction.
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Affiliation(s)
- Alexander Balint
- University of Stuttgart
- Institute for Polymer Chemistry
- 70569 Stuttgart
- Germany
| | - Marius Papendick
- University of Stuttgart
- Institute for Polymer Chemistry
- 70569 Stuttgart
- Germany
| | - Manuel Clauss
- German Institutes of Textile and Fiber Research
- 73770 Denkendorf
- Germany
| | - Carsten Müller
- University of Stuttgart
- Institute for Physical Chemistry
- 70569 Stuttgart
- Germany
| | - Frank Giesselmann
- University of Stuttgart
- Institute for Physical Chemistry
- 70569 Stuttgart
- Germany
| | - Stefan Naumann
- University of Stuttgart
- Institute for Polymer Chemistry
- 70569 Stuttgart
- Germany
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31
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Wang X, Liu Y, Li Z, Wang H, Gebru H, Chen S, Zhu H, Wei F, Guo K. Organocatalyzed Anionic Ring-Opening Polymerizations of N-Sulfonyl Aziridines with Organic Superbases. ACS Macro Lett 2017; 6:1331-1336. [PMID: 35650812 DOI: 10.1021/acsmacrolett.7b00775] [Citation(s) in RCA: 44] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
The anionic ring-opening polymerizations (AROPs) of N-sulfonyl aziridines, in the presence of organic superbases including phosphazene (t-Bu-P4), Verkade's base (P(i-PrNCH2CH2)3N, TiPP), DBU, MTBD, and N,N,N',N'-tetramethylguanidine (TMG), using N-benzyl-p-toluenesulfonamide (BnN(H)Ts) as initiator were explored to produce metal-free poly(sulfonylaziridine)s. Among the superbases used, the catalytic activity was found directly proportional to their basicity. Remarkably, t-Bu-P4 and TiPP gave a living/controlled AROP of 2-methyl-N-tosylaziridine (TsMAz), where t-Bu-P4 performed better, affording the metal-free and well-defined poly(sulfonylaziridine)s with high molar masses (Mn(SEC) > 30 kg mol-1) and low dispersities (Đ < 1.10) in 3.5 h. For the less reactive monomers of 2-methyl-N-ethylsulfonyl aziridine (EsMAz) and 2-phenyl-N-tosylaziridine (TsPhAz), t-Bu-P4 showed the same excellent catalytic efficiency (30 equiv, conv. > 95%, 5 h). The organocatalyzed AROP allowed the use of lower catalyst (t-Bu-P4) loading than the amount of initiator (BnN(H)Ts), but the propagating polymer chains were as many as the number of equivalents of the introduced initiators, which could lower the loading of catalyst used to amounts as low as 0.05 mol %.
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Affiliation(s)
- Xin Wang
- State Key Laboratory of Materials-Oriented
Chemical Engineering, College of Biotechnology and Pharmaceutical
Engineering, Nanjing Tech University, 30 Puzhu Road South, Nanjing 211816, China
| | - Yaya Liu
- State Key Laboratory of Materials-Oriented
Chemical Engineering, College of Biotechnology and Pharmaceutical
Engineering, Nanjing Tech University, 30 Puzhu Road South, Nanjing 211816, China
| | - Zhenjiang Li
- State Key Laboratory of Materials-Oriented
Chemical Engineering, College of Biotechnology and Pharmaceutical
Engineering, Nanjing Tech University, 30 Puzhu Road South, Nanjing 211816, China
| | - Haixin Wang
- State Key Laboratory of Materials-Oriented
Chemical Engineering, College of Biotechnology and Pharmaceutical
Engineering, Nanjing Tech University, 30 Puzhu Road South, Nanjing 211816, China
| | - Hailemariam Gebru
- State Key Laboratory of Materials-Oriented
Chemical Engineering, College of Biotechnology and Pharmaceutical
Engineering, Nanjing Tech University, 30 Puzhu Road South, Nanjing 211816, China
| | - Siming Chen
- State Key Laboratory of Materials-Oriented
Chemical Engineering, College of Biotechnology and Pharmaceutical
Engineering, Nanjing Tech University, 30 Puzhu Road South, Nanjing 211816, China
| | - Hui Zhu
- State Key Laboratory of Materials-Oriented
Chemical Engineering, College of Biotechnology and Pharmaceutical
Engineering, Nanjing Tech University, 30 Puzhu Road South, Nanjing 211816, China
| | - Fulan Wei
- State Key Laboratory of Materials-Oriented
Chemical Engineering, College of Biotechnology and Pharmaceutical
Engineering, Nanjing Tech University, 30 Puzhu Road South, Nanjing 211816, China
| | - Kai Guo
- State Key Laboratory of Materials-Oriented
Chemical Engineering, College of Biotechnology and Pharmaceutical
Engineering, Nanjing Tech University, 30 Puzhu Road South, Nanjing 211816, China
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32
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33
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Abstract
A major success has been made on organocatalytic ring-opening alternating copolymerization (ROAP) of phthalic anhydride and ethylene oxide (EO) by use of a simple phosphazene base (t-BuP1). Polyesters with perfectly alternating sequence distribution, controlled molar masses, and low dispersities (ĐM < 1.1) are obtained. The ROAP exhibited a distinct living nature so that block, nonlinear, end-functional structures and postpolymerization modification of the alternating polyesters are readily achieved. Solvent, excess EO, and catalyst can be effortlessly recovered and reused. The ideally suitable basicity of t-BuP1 is considered crucial for the high selectivity and neatness of the ROAP, which engenders a self-buffering mechanism rendering the carboxy and hydroxy terminals appropriately active to allow chain growth in an strictly alternating manner and complete avoidance of side reactions (epoxide self-propagation, transesterification) even at full conversion of the anhydride.
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Affiliation(s)
- Heng Li
- Faculty of Materials Science
and Engineering, South China University of Technology, Guangzhou 510641, People’s Republic of China
| | - Junpeng Zhao
- Faculty of Materials Science
and Engineering, South China University of Technology, Guangzhou 510641, People’s Republic of China
| | - Guangzhao Zhang
- Faculty of Materials Science
and Engineering, South China University of Technology, Guangzhou 510641, People’s Republic of China
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34
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Zhang H, Hu S, Zhao J, Zhang G. Expanding the scope of organocatalysis for alternating copolymerization of dihydrocoumarin and styrene oxide. Eur Polym J 2017. [DOI: 10.1016/j.eurpolymj.2017.06.005] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
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35
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Liras M, Verde-Sesto E, Iglesias M, Sánchez F. Synthesis of polyesters by an efficient heterogeneous phosphazene (P1)-Porous Polymeric Aromatic Framework catalyzed-Ring Opening Polymerization of lactones. Eur Polym J 2017. [DOI: 10.1016/j.eurpolymj.2017.04.007] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
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36
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Zhao N, Ren C, Li H, Li Y, Liu S, Li Z. Selective Ring-Opening Polymerization of Non-Strained γ-Butyrolactone Catalyzed by A Cyclic Trimeric Phosphazene Base. Angew Chem Int Ed Engl 2017; 56:12987-12990. [DOI: 10.1002/anie.201707122] [Citation(s) in RCA: 131] [Impact Index Per Article: 18.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/13/2017] [Revised: 08/05/2017] [Indexed: 01/28/2023]
Affiliation(s)
- Na Zhao
- Key Laboratory of Biobased Polymer Materials, Shandong Provincial Education Department; School of Polymer Science and Engineering; Qingdao University of Science and Technology; Qingdao 266042 China
| | - Chuanli Ren
- Key Laboratory of Biobased Polymer Materials, Shandong Provincial Education Department; School of Polymer Science and Engineering; Qingdao University of Science and Technology; Qingdao 266042 China
| | - Huaike Li
- Key Laboratory of Biobased Polymer Materials, Shandong Provincial Education Department; School of Polymer Science and Engineering; Qingdao University of Science and Technology; Qingdao 266042 China
| | - Yunxin Li
- Key Laboratory of Biobased Polymer Materials, Shandong Provincial Education Department; School of Polymer Science and Engineering; Qingdao University of Science and Technology; Qingdao 266042 China
| | - Shaofeng Liu
- Key Laboratory of Biobased Polymer Materials, Shandong Provincial Education Department; School of Polymer Science and Engineering; Qingdao University of Science and Technology; Qingdao 266042 China
| | - Zhibo Li
- Key Laboratory of Biobased Polymer Materials, Shandong Provincial Education Department; School of Polymer Science and Engineering; Qingdao University of Science and Technology; Qingdao 266042 China
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37
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Zhao N, Ren C, Li H, Li Y, Liu S, Li Z. Selective Ring-Opening Polymerization of Non-Strained γ-Butyrolactone Catalyzed by A Cyclic Trimeric Phosphazene Base. Angew Chem Int Ed Engl 2017. [DOI: 10.1002/ange.201707122] [Citation(s) in RCA: 27] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
Affiliation(s)
- Na Zhao
- Key Laboratory of Biobased Polymer Materials, Shandong Provincial Education Department; School of Polymer Science and Engineering; Qingdao University of Science and Technology; Qingdao 266042 China
| | - Chuanli Ren
- Key Laboratory of Biobased Polymer Materials, Shandong Provincial Education Department; School of Polymer Science and Engineering; Qingdao University of Science and Technology; Qingdao 266042 China
| | - Huaike Li
- Key Laboratory of Biobased Polymer Materials, Shandong Provincial Education Department; School of Polymer Science and Engineering; Qingdao University of Science and Technology; Qingdao 266042 China
| | - Yunxin Li
- Key Laboratory of Biobased Polymer Materials, Shandong Provincial Education Department; School of Polymer Science and Engineering; Qingdao University of Science and Technology; Qingdao 266042 China
| | - Shaofeng Liu
- Key Laboratory of Biobased Polymer Materials, Shandong Provincial Education Department; School of Polymer Science and Engineering; Qingdao University of Science and Technology; Qingdao 266042 China
| | - Zhibo Li
- Key Laboratory of Biobased Polymer Materials, Shandong Provincial Education Department; School of Polymer Science and Engineering; Qingdao University of Science and Technology; Qingdao 266042 China
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38
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Yang H, Sun A, Chai C, Huang W, Xue X, Chen J, Jiang B. Synthesis and post-functionalization of a degradable aliphatic polyester containing allyl pendent groups. POLYMER 2017. [DOI: 10.1016/j.polymer.2017.06.029] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/15/2023]
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39
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Zhang H, Hu S, Zhao J, Zhang G. Phosphazene-Catalyzed Alternating Copolymerization of Dihydrocoumarin and Ethylene Oxide: Weaker Is Better. Macromolecules 2017. [DOI: 10.1021/acs.macromol.7b00599] [Citation(s) in RCA: 27] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/15/2023]
Affiliation(s)
- Hongxin Zhang
- Faculty of Materials Science
and Engineering, South China University of Technology, Guangzhou 510640, People’s Republic of China
| | - Shuangyan Hu
- Faculty of Materials Science
and Engineering, South China University of Technology, Guangzhou 510640, People’s Republic of China
| | - Junpeng Zhao
- Faculty of Materials Science
and Engineering, South China University of Technology, Guangzhou 510640, People’s Republic of China
| | - Guangzhao Zhang
- Faculty of Materials Science
and Engineering, South China University of Technology, Guangzhou 510640, People’s Republic of China
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40
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Organocatalytic copolymerization of mixed type monomers. CHINESE JOURNAL OF POLYMER SCIENCE 2017. [DOI: 10.1007/s10118-017-1925-6] [Citation(s) in RCA: 39] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
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Li H, Zhao N, Ren C, Liu S, Li Z. Synthesis of linear and star poly(ε-caprolactone) with controlled and high molecular weights via cyclic trimeric phosphazene base catalyzed ring-opening polymerization. Polym Chem 2017. [DOI: 10.1039/c7py01673e] [Citation(s) in RCA: 29] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
Abstract
Linear and star PCLs with controlled and high molecular weights are efficiently prepared by a catalytic system of CTPB/alcohol.
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Affiliation(s)
- Huaike Li
- Key Laboratory of Biobased Polymer Materials
- Shandong Provincial Education Department; School of Polymer Science and Engineering
- Qingdao University of Science and Technology
- Qingdao 266042
- China
| | - Na Zhao
- Key Laboratory of Biobased Polymer Materials
- Shandong Provincial Education Department; School of Polymer Science and Engineering
- Qingdao University of Science and Technology
- Qingdao 266042
- China
| | - Chuanli Ren
- Key Laboratory of Biobased Polymer Materials
- Shandong Provincial Education Department; School of Polymer Science and Engineering
- Qingdao University of Science and Technology
- Qingdao 266042
- China
| | - Shaofeng Liu
- Key Laboratory of Biobased Polymer Materials
- Shandong Provincial Education Department; School of Polymer Science and Engineering
- Qingdao University of Science and Technology
- Qingdao 266042
- China
| | - Zhibo Li
- Key Laboratory of Biobased Polymer Materials
- Shandong Provincial Education Department; School of Polymer Science and Engineering
- Qingdao University of Science and Technology
- Qingdao 266042
- China
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