1
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Huang H, Wei H, Huang L, Fan T, Li X, Zhang Z, Shi T. Spontaneous Alternating Copolymerization of Aziridines with Tosyl Isocyanate toward Polyureas. Eur Polym J 2022. [DOI: 10.1016/j.eurpolymj.2022.111731] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
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2
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Chen Q, Ye J, Zhu L, Luo J, Cao X, Zhang Z. Organocatalytic multicomponent polymerization of bis(aziridine)s, diols, and tosyl isocyanate toward poly(sulfonamide urethane)s. Eur Polym J 2022. [DOI: 10.1016/j.eurpolymj.2022.111585] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022]
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3
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Confer MP, Qu T, Rupar PA, Dixon DA. Composite Corelated Molecular Orbital Theory Calculations of Ring Strain for Use in Predicting Polymerization Reactions. Chemphyschem 2022; 23:e202200133. [PMID: 35231156 DOI: 10.1002/cphc.202200133] [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: 02/28/2022] [Indexed: 11/09/2022]
Abstract
Strained ring systems play an important role in synthesis and can be characterized by the ring strain energy (RSE). The RSE of 3, 4, 5, and 6 membered saturated and unsaturated ring systems containing N, O, P, and S heteroatoms and H, F, Si(CH 3 ) 3 , and SO 2 (CH 3 ) substituents were calculated at the G3(MP2) composite correlated molecular orbital theory level using up to 5 models to predict the RSE. Generally, the RSE decreased as ring size increased with a substantial decrease from 4 to 5 membered rings. Replacement of a ring CH 2 with P or S reduced the RSE, consistent with less angle strain. The RSE for unsaturated systems were generally greater than for saturated systems due to increased angle strain. No general trends were found with respect to substituent effects. The RSE values suggest that 3-pyrroline and 2-pyrroline may be able to support ring opening metathesis polymerization and warrant further study.
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Affiliation(s)
| | - Taoguang Qu
- The University of Alabama, chemistry, UNITED STATES
| | - Paul A Rupar
- The University of Alabama, chemistry, UNITED STATES
| | - David A Dixon
- The University of Alabama, Department of Chemistry, 2014 Shelby Hall, Box 870336, 35487-0336, Tuscaloosa, UNITED STATES
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4
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Chen R, Wang Y, Zhu L, Zhang Z. Ultrafast organocatalytic
ring‐opening
polymerization of
N
‐sulfonyl
aziridine in the melt. JOURNAL OF POLYMER SCIENCE 2021. [DOI: 10.1002/pol.20210484] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Affiliation(s)
- Rui Chen
- School of Chemical Engineering and Light Industry Guangdong University of Technology Guangzhou China
| | - Ying Wang
- School of Chemical Engineering and Light Industry Guangdong University of Technology Guangzhou China
| | - Linlin Zhu
- School of Chemical Engineering and Light Industry Guangdong University of Technology Guangzhou China
| | - Zhen Zhang
- School of Chemical Engineering and Light Industry Guangdong University of Technology Guangzhou China
- Key Laboratory of Polymer Processing Engineering (South China University of Technology) Ministry of Education Guangzhou China
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5
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Zhou L, Wang Z, Xu G, Yang R, Yan H, Hao XQ, Wang Q. N-heterocyclic olefins catalyzed ring-opening polymerization of N-tosyl aziridines. Eur Polym J 2020. [DOI: 10.1016/j.eurpolymj.2020.110046] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
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6
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Reisman L, Rowe EA, Jefcoat JA, Rupar PA. Activated Monomer Polymerization of an N-Sulfonylazetidine. ACS Macro Lett 2020; 9:334-338. [PMID: 35648542 DOI: 10.1021/acsmacrolett.0c00019] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/17/2023]
Abstract
Previously, N-(methanesulfonyl)azetidine (MsAzet) was found to polymerize anionically via ring-opening at temperatures >100 °C to form p(MsAzet) in the presence of an anionic initiator. In the current report, potassium(azetidin-1-ylsulfonyl) methanide (KMsAzet), formed from deprotonation of the methanesulfonyl group of MsAzet by KHMDS, is shown to undergo spontaneous AROP at room temperature to form p(N-K-MsAzet). The structure of p(N-K-MsAzet) differs from that of p(MsAzet), as the sulfonyl groups are incorporated into the polymer backbone of p(N-K-MsAzet). Reaction of p(N-K-MsAzet) with MeOH produces p(N-H-MsAzet), a semicrystalline polymer with a structure like that of polyamides, but with sulfonylamides in place of the carboxamides found in polyamides. Reaction of p(N-K-MsAzet) with benzyl bromide results in the formation of amorphous p(N-Bn-MsAzet). P(N-K-MsAzet) is hypothesized to form via an activated monomer anionic polymerization; this is supported by polymerization kinetic data and structural characterization of the resulting polymers.
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Affiliation(s)
- Louis Reisman
- Department of Chemistry and Biochemistry, The University of Alabama, Tuscaloosa, Alabama 35487-0336, United States
| | - Elizabeth A. Rowe
- Department of Chemistry and Biochemistry, The University of Alabama, Tuscaloosa, Alabama 35487-0336, United States
| | - Jennifer A. Jefcoat
- U.S. Army Engineer Research and Development Center (ERDC), 3909 Halls Ferry Road, Vicksburg, Mississippi 39180, United States
| | - Paul A. Rupar
- Department of Chemistry and Biochemistry, The University of Alabama, Tuscaloosa, Alabama 35487-0336, United States
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7
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Yang R, Wang Y, Luo W, Jin Y, Zhang Z, Wu C, Hadjichristidis N. Carboxylic Acid Initiated Organocatalytic Ring-Opening Polymerization of N-Sulfonyl Aziridines: An Easy Access to Well-Controlled Polyaziridine-Based Architectural and Functionalized Polymers. Macromolecules 2019. [DOI: 10.1021/acs.macromol.9b01716] [Citation(s) in RCA: 20] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Affiliation(s)
- Ruhan Yang
- School of Chemical Engineering and Light Industry, Guangdong University of Technology, Guangzhou 510006, P. R. China
| | - Ying Wang
- School of Chemical Engineering and Light Industry, Guangdong University of Technology, Guangzhou 510006, P. R. China
| | - Wenyi Luo
- School of Chemical Engineering and Light Industry, Guangdong University of Technology, Guangzhou 510006, P. R. China
| | - Yaocheng Jin
- School of Chemical Engineering and Light Industry, Guangdong University of Technology, Guangzhou 510006, P. R. China
| | - Zhen Zhang
- School of Chemical Engineering and Light Industry, Guangdong University of Technology, Guangzhou 510006, P. R. China
| | - Chuande Wu
- School of Chemical Engineering and Light Industry, Guangdong University of Technology, Guangzhou 510006, P. R. China
- State Key Laboratory of Silicon Materials, Department of Chemistry, Zhejiang University, Hangzhou 310027, P. R. China
| | - Nikos Hadjichristidis
- Physical Sciences and Engineering Division, KAUST Catalysis Center, Polymer Synthesis Laboratory, King Abdullah University of Science and Technology (KAUST), Thuwal 23955, Saudi Arabia
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8
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Rowe EA, Reisman L, Jefcoat JA, Rupar PA. Comparison of the Anionic Ring-Opening Polymerizations of N-(Alkylsulfonyl)azetidines. Macromolecules 2019. [DOI: 10.1021/acs.macromol.9b01436] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/03/2023]
Affiliation(s)
- Elizabeth A. Rowe
- Department of Chemistry and Biochemistry, The University of Alabama, Tuscaloosa, Alabama 35487-0336, United States
| | - Louis Reisman
- Department of Chemistry and Biochemistry, The University of Alabama, Tuscaloosa, Alabama 35487-0336, United States
| | - Jennifer A. Jefcoat
- U.S. Army Engineer Research and Development Center (ERDC), 3909 Halls Ferry Road Vicksburg, Mississippi 39180, United States
| | - Paul A. Rupar
- Department of Chemistry and Biochemistry, The University of Alabama, Tuscaloosa, Alabama 35487-0336, United States
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9
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Wang Y, Yang R, Luo W, Li Z, Zhang Z, Wu C, Hadjichristidis N. 2-Azaallyl Anion Initiated Ring-Opening Polymerization of N-Sulfonyl Aziridines: One-Pot Synthesis of Primary Amine-Ended Telechelic Polyaziridines. Macromolecules 2019. [DOI: 10.1021/acs.macromol.9b00639] [Citation(s) in RCA: 21] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Affiliation(s)
- Ying Wang
- School of Chemical Engineering and Light Industry, Guangdong University of Technology, Guangzhou 510006, P. R. China
| | - Ruhan Yang
- School of Chemical Engineering and Light Industry, Guangdong University of Technology, Guangzhou 510006, P. R. China
| | - Wenyi Luo
- School of Chemical Engineering and Light Industry, Guangdong University of Technology, Guangzhou 510006, P. R. China
| | - Zhunxuan Li
- School of Chemical Engineering and Light Industry, Guangdong University of Technology, Guangzhou 510006, P. R. China
| | - Zhen Zhang
- School of Chemical Engineering and Light Industry, Guangdong University of Technology, Guangzhou 510006, P. R. China
| | - Chuande Wu
- School of Chemical Engineering and Light Industry, Guangdong University of Technology, Guangzhou 510006, P. R. China
- State Key Laboratory of Silicon Materials, Department of Chemistry, Zhejiang University, Hangzhou 310027, P. R. China
| | - Nikos Hadjichristidis
- Physical Sciences and Engineering Division, KAUST Catalysis Center, Polymer Synthesis Laboratory, King Abdullah University of Science and Technology (KAUST), Thuwal 23955, Saudi Arabia
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10
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Gleede T, Reisman L, Rieger E, Mbarushimana PC, Rupar PA, Wurm FR. Aziridines and azetidines: building blocks for polyamines by anionic and cationic ring-opening polymerization. Polym Chem 2019. [DOI: 10.1039/c9py00278b] [Citation(s) in RCA: 36] [Impact Index Per Article: 7.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
Abstract
The synthesis of aziridine and azetidine monomers and their ring-opening polymerization via different mechanisms is reviewed.
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Affiliation(s)
- Tassilo Gleede
- Max-Planck-Institut für Polymerforschung
- 55128 Mainz
- Germany
| | - Louis Reisman
- Department of Chemistry and Biochemistry
- The University of Alabama
- Tuscaloosa
- USA
| | | | | | - Paul A. Rupar
- Department of Chemistry and Biochemistry
- The University of Alabama
- Tuscaloosa
- USA
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11
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Reisman L, Rowe EA, Jackson EM, Thomas C, Simone T, Rupar PA. Anionic Ring-Opening Polymerization of N-(tolylsulfonyl)azetidines To Produce Linear Poly(trimethylenimine) and Closed-System Block Copolymers. J Am Chem Soc 2018; 140:15626-15630. [PMID: 30407804 DOI: 10.1021/jacs.8b10326] [Citation(s) in RCA: 26] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/04/2023]
Abstract
The anionic ring-opening copolymerization of N-( p-tolylsulfonyl)azetidine ( pTsAzet) and N-( o-tolylsulfonyl)azetidine ( oTsAzet) produces poly( pTsAzet- co- oTsAzet) as a statistical copolymer. The pTsAzet/ oTsAzet copolymerization is living and allows for the synthesis of poly(sulfonylazetidine) of target molecular weights with narrow dispersities. 1H NMR spectroscopy was used to monitor the kinetics of the polymerization and estimate the monomer reactivity ratios. It was found that the reactivity ratios for oTsAzet and pTsAzet at 180 °C are 1.66 and 0.60, respectively. The tosyl groups of p( pTsAzet- co- oTsAzet) were reductively removed to produce linear poly(trimethylenimine) (LPTMI). This represents the first route to LPTMI of controlled molecular weight and low dispersity. Finally, the slow kinetics of the sulfonylazetidine polymerization facilitated the synthesis of a block copolymer without requiring the sequential addition of monomer. Specifically, pTsAzet, oTsAzet, and ( N- p-toluenesulfonyl-2-methylaziridine) ( pTsMAz) were combined in solution. pTsMAz selectively polymerizes to form the first block at moderate temperature. After consumption of pTsMAz, the temperature was increased to copolymerize pTsAzet and oTsAzet and produce the block copolymer p( pTsMAz)- b-p( pTsAzet- co- oTsAzet).
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Affiliation(s)
- Louis Reisman
- Department of Chemistry and Biochemistry , The University of Alabama , Tuscaloosa , Alabama 35487-0336 , United States
| | - Elizabeth A Rowe
- Department of Chemistry and Biochemistry , The University of Alabama , Tuscaloosa , Alabama 35487-0336 , United States
| | - Enrique M Jackson
- Materials Test Branch , NASA Marshall Space Flight Center , Martin Road SW , Huntsville , Alabama 35808 , United States
| | - Christian Thomas
- Materials Test Branch , NASA Marshall Space Flight Center , Martin Road SW , Huntsville , Alabama 35808 , United States
| | - Tomekia Simone
- Department of Chemistry , Dillard University , 2601 Gentilly Boulevard , New Orleans , Louisiana 70122 , United States
| | - Paul A Rupar
- Department of Chemistry and Biochemistry , The University of Alabama , Tuscaloosa , Alabama 35487-0336 , United States
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12
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Gleede T, Rieger E, Blankenburg J, Klein K, Wurm FR. Fast Access to Amphiphilic Multiblock Architectures by the Anionic Copolymerization of Aziridines and Ethylene Oxide. J Am Chem Soc 2018; 140:13407-13412. [DOI: 10.1021/jacs.8b08054] [Citation(s) in RCA: 51] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Tassilo Gleede
- Max-Planck-Institut für Polymerforschung (MPI-P), Ackermannweg 10, 55128 Mainz, Germany
| | - Elisabeth Rieger
- Max-Planck-Institut für Polymerforschung (MPI-P), Ackermannweg 10, 55128 Mainz, Germany
| | - Jan Blankenburg
- Institute for Organic Chemistry, Johannes Gutenberg-University Mainz, Duesbergweg 10-14, D-55128 Mainz, Germany
- Graduate School Materials Science in Mainz, Johannes Gutenberg-University Mainz, Staudinger Weg 9, D-55128 Mainz, Germany
| | - Katja Klein
- Max-Planck-Institut für Polymerforschung (MPI-P), Ackermannweg 10, 55128 Mainz, Germany
| | - Frederik R. Wurm
- Max-Planck-Institut für Polymerforschung (MPI-P), Ackermannweg 10, 55128 Mainz, Germany
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