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Kilgallon LJ, McFadden TP, Sigman MS, Johnson JA. Tricyclononenes and tricyclononadienes as efficient monomers for controlled ROMP: understanding structure-propagation rate relationships and enabling facile post-polymerization modification. Chem Sci 2024; 15:8334-8345. [PMID: 38846402 PMCID: PMC11151844 DOI: 10.1039/d4sc01986e] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/25/2024] [Accepted: 05/01/2024] [Indexed: 06/09/2024] Open
Abstract
Grubbs 3rd-generation (G3) pre-catalyst-initiated ring-opening metathesis polymerization (ROMP) remains an indispensable tool in the polymer chemist's toolbox. Tricyclononenes (TCN) and tricyclononadienes (TCND) represent under-explored classes of monomers for ROMP that have the potential to both advance fundamental knowledge (e.g., structure-polymerization kinetics relationships) and serve as practical tools for the polymer chemist (e.g., post-polymerization functionalization). In this work, a library of TCN and TCND imides, monoesters, and diesters, along with their exo-norbornene counterparts, were synthesized to compare their behaviors in G3-initiated ROMP. Real-time 1H NMR was used to study their polymerization kinetics; propagation rates (k p) were extracted for each monomer. To understand the relationships between monomer structure and ROMP propagation rates, density functional theory methods were used to calculate a variety of electronic and steric parameters for each monomer. While electronic parameters (e.g., HOMO energy levels) correlated positively with the measured k p values, steric parameters generally gave improved correlations, which indicates that monomer size and shape are better predictors for k p than electronic parameters for this data set. Furthermore, the TCND diester-which contains an electron-deficient cyclobutene that is resistant to ROMP-and its polymer p(TCND) are shown to be highly reactive toward DBU-catalyzed conjugate addition reactions with thiols, providing a protecting- and activating-group free strategy for post-polymerization modification.
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Affiliation(s)
- Landon J Kilgallon
- Department of Chemistry, Massachusetts Institute of Technology Cambridge MA 02139 USA
| | - Timothy P McFadden
- Department of Chemistry, University of Utah Salt Lake City Utah 84112 USA
| | - Matthew S Sigman
- Department of Chemistry, University of Utah Salt Lake City Utah 84112 USA
| | - Jeremiah A Johnson
- Department of Chemistry, Massachusetts Institute of Technology Cambridge MA 02139 USA
- Koch Institute for Integrative Cancer Research, Massachusetts Institute of Technology 500 Main Street Cambridge MA 02139 USA
- Broad Institute of MIT and Harvard Cambridge MA 02142 USA
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Bermesheva EV, Medentseva EI, Khrychikova AP, Wozniak AI, Guseva MA, Nazarov IV, Morontsev AA, Karpov GO, Topchiy MA, Asachenko AF, Danshina AA, Nelyubina YV, Bermeshev MV. Air-Stable Single-Component Pd-Catalysts for Vinyl-Addition Polymerization of Functionalized Norbornenes. ACS Catal 2022. [DOI: 10.1021/acscatal.2c04345] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Evgeniya V. Bermesheva
- A.V. Topchiev Institute of Petrochemical Synthesis, RAS, 29 Leninskiy pr., Moscow 119991, Russia
- I.M. Sechenov First Moscow State Medical University, Trubetskaya str., 8, building 2, Moscow 119991, Russia
| | - Ekaterina I. Medentseva
- A.V. Topchiev Institute of Petrochemical Synthesis, RAS, 29 Leninskiy pr., Moscow 119991, Russia
| | - Anna P. Khrychikova
- A.V. Topchiev Institute of Petrochemical Synthesis, RAS, 29 Leninskiy pr., Moscow 119991, Russia
- D.I. Mendeleyev University of Chemical Technology of Russia, 9 Miusskaya sq., Moscow 125047, Russia
| | - Alyona I. Wozniak
- A.V. Topchiev Institute of Petrochemical Synthesis, RAS, 29 Leninskiy pr., Moscow 119991, Russia
| | - Marina A. Guseva
- A.V. Topchiev Institute of Petrochemical Synthesis, RAS, 29 Leninskiy pr., Moscow 119991, Russia
| | - Ivan V. Nazarov
- A.V. Topchiev Institute of Petrochemical Synthesis, RAS, 29 Leninskiy pr., Moscow 119991, Russia
| | - Alexander A. Morontsev
- A.V. Topchiev Institute of Petrochemical Synthesis, RAS, 29 Leninskiy pr., Moscow 119991, Russia
| | - Gleb O. Karpov
- A.V. Topchiev Institute of Petrochemical Synthesis, RAS, 29 Leninskiy pr., Moscow 119991, Russia
| | - Maxim A. Topchiy
- A.V. Topchiev Institute of Petrochemical Synthesis, RAS, 29 Leninskiy pr., Moscow 119991, Russia
| | - Andrey F. Asachenko
- A.V. Topchiev Institute of Petrochemical Synthesis, RAS, 29 Leninskiy pr., Moscow 119991, Russia
| | - Anastasia A. Danshina
- A.N. Nesmeyanov Institute of Organoelement Compounds, Russian Academy of Sciences, 28 Vavilov Street, Moscow 119991, Russia
- Moscow Institute of Physics and Technology (National Research University), Institutskiy per., 9, Dolgoprudny, Moscow Region 141701, Russia
| | - Yulia V. Nelyubina
- A.N. Nesmeyanov Institute of Organoelement Compounds, Russian Academy of Sciences, 28 Vavilov Street, Moscow 119991, Russia
| | - Maxim V. Bermeshev
- A.V. Topchiev Institute of Petrochemical Synthesis, RAS, 29 Leninskiy pr., Moscow 119991, Russia
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Laurent Q, Sakai N, Matile S. An Orthogonal Dynamic Covalent Chemistry Tool for Ring-Opening Polymerization of Cyclic Oligochalcogenides on Detachable Helical Peptide Templates. Chemistry 2022; 28:e202200785. [PMID: 35416345 PMCID: PMC9324982 DOI: 10.1002/chem.202200785] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/11/2022] [Indexed: 12/13/2022]
Abstract
A model system is introduced as a general tool to elaborate on orthogonal templation of dynamic covalent ring‐opening polymerization (ODC‐TROP). The tool consists of 310 helical peptides as unprecedented templates and semicarbazones as orthogonal dynamic covalent linkers. With difficult‐to‐control 1,2‐dithiolanes, ODC‐TROP on the level of short model oligomers occurs with high templation efficiency, increasing and diminishing upon helix stabilization and denaturation, respectively. Further, an anti‐templated conjugate with mispositioned monomers gave reduced templation upon helix twisting. Even with the “unpolymerizable” 1,2‐diselenolanes, initial studies already afford mild templation efficiency. These proof‐of‐principle results promise that the here introduced tool, recyclable and enabling late‐stage side chain modification, will be useful to realize ODC‐TROP of intractable or unknown cyclic dynamic covalent monomers for dynamer materials as well as cellular uptake and signaling applications.
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Affiliation(s)
- Quentin Laurent
- Department of Organic Chemistry, University of Geneva, 1211, Geneva, Switzerland
| | - Naomi Sakai
- Department of Organic Chemistry, University of Geneva, 1211, Geneva, Switzerland
| | - Stefan Matile
- Department of Organic Chemistry, University of Geneva, 1211, Geneva, Switzerland
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Dawood KM, Nomura K. Recent Developments in Z‐Selective Olefin Metathesis Reactions by Molybdenum, Tungsten, Ruthenium, and Vanadium Catalysts. Adv Synth Catal 2021. [DOI: 10.1002/adsc.202001117] [Citation(s) in RCA: 23] [Impact Index Per Article: 7.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
Affiliation(s)
- Kamal M. Dawood
- Department of Chemistry Faculty of Science Cairo University Giza 12613 Egypt Tel. & Fax
| | - Kotohiro Nomura
- Department of Chemistry Faculty of Science Tokyo Metropolitan University, Hachioji Tokyo 192-0397 Japan
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Banwell MG, Liu X, Connal LA, Gardiner MG. Synthesis of Functionally and Stereochemically Diverse Polymers via Ring-Opening Metathesis Polymerization of Derivatives of the Biomass-Derived Platform Molecule Levoglucosenone Produced at Industrial Scale. Macromolecules 2020. [DOI: 10.1021/acs.macromol.0c01305] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Martin G. Banwell
- Institute for Advanced and Applied Chemical Synthesis, Jinan University, Guangzhou 510632, China
- Research School of Chemistry, Institute of Advanced Studies, The Australian National University, Canberra, ACT 2601, Australia
| | - Xin Liu
- Research School of Chemistry, Institute of Advanced Studies, The Australian National University, Canberra, ACT 2601, Australia
| | - Luke A. Connal
- Research School of Chemistry, Institute of Advanced Studies, The Australian National University, Canberra, ACT 2601, Australia
| | - Michael G. Gardiner
- Research School of Chemistry, Institute of Advanced Studies, The Australian National University, Canberra, ACT 2601, Australia
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Luh TY, Lin WY, Lai G. Determination of the Orientation of Pendants on Rigid-Rod Polymers. Chem Asian J 2020; 15:1808-1818. [PMID: 32314531 DOI: 10.1002/asia.202000370] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/23/2020] [Indexed: 11/08/2022]
Abstract
Bis-norbornene and bis-cyclobutene with different kinds of linkers have been extensively used for the synthesis of double stranded ladderphanes under ruthenium- or molybdenum-catalyzed ring opening metathesis polymerization (ROMP) conditions. The key to the success relies on the selective formation of comb-like polynorbornenes or polycycloubtenes, where pendants are all aligned towards similar direction. This minireview summarizes various methods (chemical methods, spectroscopic means, and nonlinear optical measurements) for determining the comb-like conformations of pendants on these rigid-rod polymers. The approach is based on the proximal relationship between adjacent pendants. Interactions between these adjacent pendants would enable a change in chemical reactivity.
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Affiliation(s)
- Tien-Yau Luh
- Department of Chemistry, National Taiwan University, Taipei, 106, Taiwan
| | - Wei-Yu Lin
- Department of Medicinal and Applied Chemistry, Kaohsiung Medical University, Department of Medical Research, Kaohsiung Medical University Hospital, Kaohsiung, 807, Taiwan
| | - Guoqiao Lai
- Key Laboratory of Organosilicon Chemistry and Material, Technology of Ministry of Eduction,\, Hangzhou Normal University, Hangzhou, Zhejiang, 311121, China
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Song W, Li Y, Liu X, Xu Z, Wu J, Ding L. Functional Block Copolymers Carrying One Double-Stranded Ladderphane and One Single-Stranded Block in a Facile Metathesis Cyclopolymerization Procedure. Int J Mol Sci 2019; 20:E5166. [PMID: 31635234 PMCID: PMC6829535 DOI: 10.3390/ijms20205166] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/23/2019] [Revised: 10/12/2019] [Accepted: 10/14/2019] [Indexed: 11/17/2022] Open
Abstract
In order to improve the poor film-forming ability of polymeric ladderphane, di-block copolymers containing perylene diimide (PDI)-linked double-stranded poly(1,6-heptadiyne) ladderphane and branched alkyl side chains modified single-stranded poly(1,6-heptadiyne) were synthesized by metathesis cyclopolymerization (MCP) using Grubbs third-generation catalyst (Ru-III) in tetrahydrofuran solvent. The first block containing the ladderphane structure leads to higher thermal-stability, wider UV-vis absorption, lower LUMO level and ladderphane-induced rigidity and poor film-forming ability. The second block containing long alkyl chains is crucial for the guarantee of excellent film-forming ability. By comparing the effect of ladderphane structure on the resulted copolymers, single-stranded poly(1,6-heptadiyne) derivatives with PDI pedant were also processed. The structures of copolymers were proved by 1H NMR and gel permeation chromatography, electrochemical, photophysical, and thermal-stability performance were achieved by cyclic voltammetry (CV), UV-visible spectroscopy and thermogravimetric analysis (TGA) measurements. According to the experiment results, both copolymers possessed outstanding film-forming ability, which cannot be realized by small PDI molecules and oligomers. And they can serve as a superior candidate as for n-type materials, especially for their relatively wide range of light absorption (λ = 200~800 nm), and lower LUMO level (-4.3 and -4.0 eV).
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Affiliation(s)
- Wei Song
- Department of Polymer and Composite Material, School of Materials Engineering, Yancheng Institute of Technology, Yancheng 224051, China.
| | - Yadi Li
- Department of Polymer and Composite Material, School of Materials Engineering, Yancheng Institute of Technology, Yancheng 224051, China.
| | - Xunhu Liu
- Department of Polymer and Composite Material, School of Materials Engineering, Yancheng Institute of Technology, Yancheng 224051, China.
| | - Zongyi Xu
- Department of Polymer and Composite Material, School of Materials Engineering, Yancheng Institute of Technology, Yancheng 224051, China.
| | - Jianhua Wu
- Department of Materials, College of Physics, Mechanical and Electrical Engineering, Jishou University, Jishou 416000, China.
| | - Liang Ding
- Department of Polymer and Composite Material, School of Materials Engineering, Yancheng Institute of Technology, Yancheng 224051, China.
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