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Parkerson ZJ, Prozorovska L, Vasuta MP, Oddo TD, Jennings GK. Simultaneous Spin Coating and Ring-Opening Metathesis Polymerization for the Rapid Synthesis of Polymer Films. ACS APPLIED MATERIALS & INTERFACES 2024; 16:16754-16766. [PMID: 38517314 PMCID: PMC10995903 DOI: 10.1021/acsami.4c00211] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/04/2024] [Revised: 02/20/2024] [Accepted: 02/27/2024] [Indexed: 03/23/2024]
Abstract
We report a highly controlled technique for the synthesis of polymer films atop a substrate by combining spin coating with ring-opening metathesis polymerization (ROMP), herein termed spin coating ROMP (scROMP). The scROMP approach combines polymer synthesis and deposition into one process, fabricating films of up to 36 cm2 in under 3 min with orders-of-magnitude reduction in solvent usage. This method can convert numerous norbornene-type molecules into homopolymers and random copolymers as uniform films on both porous and nonporous substrates. Film thickness can be varied from a few hundred nanometers to a few tens of micrometers based on spin speed and monomer concentration. The resulting polymers possess high MW (>100 kDa) and low polydispersity (PDI) (<1.2) values that are similar to ROMP polymers made in solution. We also devise a model to investigate the balance between convective monomer spin-off and polymer growth from the surface, which allows the determination of critical kinetic parameters for scROMP. Finally, translation of scROMP to porous supports enables the synthesis of thin film composite membranes that demonstrate the ability to dehydrate ethanol by pervaporation.
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Affiliation(s)
- Zane J. Parkerson
- Department
of Chemical and Biomolecular Engineering, Vanderbilt University, Nashville, Tennessee 37235, United States
| | - Liudmyla Prozorovska
- Interdisciplinary
Materials Science Program, Vanderbilt University, Nashville, Tennessee 37235, United States
| | - Matthew P. Vasuta
- Interdisciplinary
Materials Science Program, Vanderbilt University, Nashville, Tennessee 37235, United States
| | - Tyler D. Oddo
- Department
of Chemical and Biomolecular Engineering, Vanderbilt University, Nashville, Tennessee 37235, United States
| | - G. Kane Jennings
- Department
of Chemical and Biomolecular Engineering, Vanderbilt University, Nashville, Tennessee 37235, United States
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2
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Diekamp J, Seidensticker T. Synthesis Strategies towards Tagged Homogeneous Catalysts To Improve Their Separation. Angew Chem Int Ed Engl 2023; 62:e202304223. [PMID: 37167065 DOI: 10.1002/anie.202304223] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/23/2023] [Revised: 05/11/2023] [Accepted: 05/11/2023] [Indexed: 05/13/2023]
Abstract
The recycling of homogeneous catalysts while keeping them in the homogeneous matrix is an ongoing challenge many reactions face if they are to find industrial applications. While a plethora of different synthetic approaches towards better, recyclable homogeneous catalysts exist, the literature shows a gap when one searches for a concise overview of the different catalyst modifications. This Review is designed to close that gap by summarising the existing synthesis pathways towards polar, non-polar, fluorous, and molecular-weight-enlarged catalysts and by examining their respective synthesis routes with a focus on modular and late-stage approaches. Furthermore, we map out the potential for a generally applicable tag library that allows straightforward catalyst modifications to tune them for each desired recycling strategy.
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Affiliation(s)
- Justus Diekamp
- TU Dortmund University, Department for Biochemical and Chemical Engineering, Laboratory of Industrial Chemistry, Emil-Figge-Straße 66, 44227, Dortmund, Germany
| | - Thomas Seidensticker
- TU Dortmund University, Department for Biochemical and Chemical Engineering, Laboratory of Industrial Chemistry, Emil-Figge-Straße 66, 44227, Dortmund, Germany
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3
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Church DC, Davis E, Caparco AA, Takiguchi L, Chung YH, Steinmetz NF, Pokorski JK. Polynorbornene-based bioconjugates by aqueous grafting-from ring-opening metathesis polymerization reduce protein immunogenicity. CELL REPORTS. PHYSICAL SCIENCE 2022; 3:101067. [PMID: 36816463 PMCID: PMC9933924 DOI: 10.1016/j.xcrp.2022.101067] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 06/18/2023]
Abstract
Protein-polymer conjugates (PPCs) improve therapeutic efficacy of proteins and have been widely used for the treatment of various diseases such as cancer, diabetes, and hepatitis. PEGylation is considered as the "gold standard" in bioconjugation, although in practice its clinical applications are becoming limited because of extensive evidence of immunogenicity induced by pre-existing anti-PEG antibodies in patients. Here, optimized reaction conditions for living aqueous grafting-from ring-opening metathesis polymerization (ROMP) are utilized to synthesize water-soluble polynorbornene (PNB)-based PPCs of lysozyme (Lyz-PPCs) and bacteriophage Qβ (Qβ-PPCs) as PEG alternatives. Lyz-PPCs retain nearly 100% bioactivity and Qβ-PPCs exhibit up to 35% decrease in protein immunogenicity. Qβ-PPCs derived from NB-PEG show no reduction in recognition by anti-PEG antibodies while Qβ-PPCs derived from NB-Zwit show >95% reduction as compared with Qβ-PEG. This work demonstrates a new method for PPC synthesis and the utility of grafting from PPCs to evade immune recognition.
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Affiliation(s)
- Derek C. Church
- Department of NanoEngineering, University of California, San Diego, La Jolla, CA 92093, USA
- These authors contributed equally
| | - Elizabathe Davis
- Department of NanoEngineering, University of California, San Diego, La Jolla, CA 92093, USA
- These authors contributed equally
| | - Adam A. Caparco
- Department of NanoEngineering, University of California, San Diego, La Jolla, CA 92093, USA
| | - Lauren Takiguchi
- Department of NanoEngineering, University of California, San Diego, La Jolla, CA 92093, USA
| | - Young Hun Chung
- Department of Bioengineering, University of California, San Diego, La Jolla, CA 92093, USA
| | - Nicole F. Steinmetz
- Department of NanoEngineering, University of California, San Diego, La Jolla, CA 92093, USA
- Center for Nano-ImmunoEngineering, University of California, San Diego, La Jolla, CA 92093, USA
- Institute for Materials Discovery and Design, University of California, San Diego, La Jolla, CA 92093, USA
- Department of Bioengineering, University of California, San Diego, La Jolla, CA 92093, USA
- Department of Radiology, University of California, San Diego, La Jolla, CA 92093, USA
- Moores Cancer Center, University of California, San Diego, La Jolla, CA 92093, USA
| | - Jonathan K. Pokorski
- Department of NanoEngineering, University of California, San Diego, La Jolla, CA 92093, USA
- Center for Nano-ImmunoEngineering, University of California, San Diego, La Jolla, CA 92093, USA
- Institute for Materials Discovery and Design, University of California, San Diego, La Jolla, CA 92093, USA
- Lead contact
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4
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Tang H, Raymond O, Thomas HP, Henderson W. Synthetic and ESI mass spectrometric investigations of Pt, Pd, Ir, Ru and Rh complexes of a polyether-functionalised thiourea ligand. TRANSIT METAL CHEM 2022. [DOI: 10.1007/s11243-022-00500-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
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5
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Kim S, Kim C, Chung H. N-heterocyclic Carbene Containing Homogeneous Ru Catalyst for Aqueous Atom Transfer Radical Polymerization of Water-soluble Vinyl Monomers. POLYMER 2022. [DOI: 10.1016/j.polymer.2022.124537] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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6
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7
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8
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Masoud SM, Vorobyeva DV, Petropavlovskikh DA, Bruneau C, Osipov SN. Fluorine-containing ruthenium-based olefin metathesis catalysts. RUSSIAN CHEMICAL REVIEWS 2021. [DOI: 10.1070/rcr4984] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Abstract
The review summarizes literature data on the methods for the introduction of fluorine atoms and fluoralkyl groups into different ligands to construct metathesis-active ruthenium carbene complexes. It also analyzes the influence of fluorinated ligands on the catalytic activity of the complexes. The choice, structure and positions of fluorinated substituents in NHC ligands are generally dictated by the desire to increase the electrophilicity of the ruthenium atom due to the electron-withdrawing effect of fluorine atoms and fluoroalkyl groups, resulting, as a rule, in an increase in the activity of the ruthenium complex. In catalysts with unsymmetrical fluorine-containing NHC ligands, there is a possibility of additional Ru–F coordination, making the complexes much more stable and, consequently, more active. The presence of fluorine in chelating alkylidene ligands provides an increase in the catalyst initiation rate due to a weakening of the ruthenium – heteroatom bond. Besides, the introduction of polyfluoroalkyl groups into ligands solves the problem of catalyst recovery using fluorous biphasic systems for reuse.
The bibliography includes 172 references.
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Foster JC, Grocott MC, Arkinstall LA, Varlas S, Redding MJ, Grayson SM, O’Reilly RK. It is Better with Salt: Aqueous Ring-Opening Metathesis Polymerization at Neutral pH. J Am Chem Soc 2020; 142:13878-13885. [PMID: 32673484 PMCID: PMC7426906 DOI: 10.1021/jacs.0c05499] [Citation(s) in RCA: 25] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/19/2020] [Indexed: 12/15/2022]
Abstract
Aqueous ring-opening metathesis polymerization (ROMP) is a powerful tool for polymer synthesis under environmentally friendly conditions, functionalization of biomacromolecules, and preparation of polymeric nanoparticles via ROMP-induced self-assembly (ROMPISA). Although new water-soluble Ru-based metathesis catalysts have been developed and evaluated for their efficiency in mediating cross metathesis (CM) and ring-closing metathesis (RCM) reactions, little is known with regards to their catalytic activity and stability during aqueous ROMP. Here, we investigate the influence of solution pH, the presence of salt additives, and catalyst loading on ROMP monomer conversion and catalyst lifetime. We find that ROMP in aqueous media is particularly sensitive to chloride ion concentration and propose that this sensitivity originates from chloride ligand displacement by hydroxide or H2O at the Ru center, which reversibly generates an unstable and metathesis inactive complex. The formation of this Ru-(OH)n complex not only reduces monomer conversion and catalyst lifetime but also influences polymer microstructure. However, we find that the addition of chloride salts dramatically improves ROMP conversion and control. By carrying out aqueous ROMP in the presence of various chloride sources such as NaCl, KCl, or tetrabutylammonium chloride, we show that diblock copolymers can be readily synthesized via ROMPISA in solutions with high concentrations of neutral H2O (i.e., 90 v/v%) and relatively low concentrations of catalyst (i.e., 1 mol %). The capability to conduct aqueous ROMP at neutral pH is anticipated to enable new research avenues, particularly for applications in biological media, where the unique characteristics of ROMP provide distinct advantages over other polymerization strategies.
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Affiliation(s)
- Jeffrey C. Foster
- School
of Chemistry, University of Birmingham, Edgbaston, Birmingham B15 2TT, United
Kingdom
| | - Marcus C. Grocott
- School
of Chemistry, University of Birmingham, Edgbaston, Birmingham B15 2TT, United
Kingdom
| | - Lucy A. Arkinstall
- School
of Chemistry, University of Birmingham, Edgbaston, Birmingham B15 2TT, United
Kingdom
| | - Spyridon Varlas
- School
of Chemistry, University of Birmingham, Edgbaston, Birmingham B15 2TT, United
Kingdom
| | - McKenna J. Redding
- Department
of Chemistry, Tulane University, New Orleans, Louisiana 70118, United States
| | - Scott M. Grayson
- Department
of Chemistry, Tulane University, New Orleans, Louisiana 70118, United States
| | - Rachel K. O’Reilly
- School
of Chemistry, University of Birmingham, Edgbaston, Birmingham B15 2TT, United
Kingdom
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10
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Self-assembled nanostructures from amphiphilic block copolymers prepared via ring-opening metathesis polymerization (ROMP). Prog Polym Sci 2020. [DOI: 10.1016/j.progpolymsci.2020.101278] [Citation(s) in RCA: 47] [Impact Index Per Article: 11.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
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11
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Church DC, Takiguchi L, Pokorski JK. Optimization of Ring-Opening Metathesis Polymerization (ROMP) under Physiologically Relevant Conditions. Polym Chem 2020; 11:4492-4499. [PMID: 33796158 PMCID: PMC8009303 DOI: 10.1039/d0py00716a] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
Ring opening metathesis polymerization (ROMP) is widely considered an excellent living polymerization technique that proceeds rapidly under ambient conditions and is highly functional group tolerant when performed in organic solvents. However, achieving the same level of success in aqueous media has proved to be challenging, often requiring an organic co-solvent or a very low pH to obtain fast initiation and high monomer conversion. The ability to efficiently conduct ROMP under neutral pH aqueous conditions would mark an important step towards utilizing aqueous ROMP with acid-sensitive functional groups or within a biological setting. Herein we describe our efforts to optimize ROMP in an aqueous environment under neutral pH conditions. Specifically, we found that the presence of excess chloride in solution as well as relatively small changes in pH near physiological conditions have a profound effect on molecular weight control, polymerization rate and overall monomer conversion. Additionally, we have applied our optimized conditions to polymerize a broad scope of water-soluble monomers and used this methodology to produce nanostructures via ring opening metathesis polymerization induced self-assembly (ROMPISA) under neutral pH aqueous conditions.
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Affiliation(s)
- Derek C. Church
- Department of NanoEngineering, Jacobs School of Engineering, University of California San Diego, La Jolla, CA 92093, USA
| | - Lauren Takiguchi
- Department of NanoEngineering, Jacobs School of Engineering, University of California San Diego, La Jolla, CA 92093, USA
| | - Jonathan K. Pokorski
- Department of NanoEngineering, Jacobs School of Engineering, University of California San Diego, La Jolla, CA 92093, USA
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12
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Varlas S, Foster JC, O'Reilly RK. Ring-opening metathesis polymerization-induced self-assembly (ROMPISA). Chem Commun (Camb) 2019; 55:9066-9071. [DOI: 10.1039/c9cc04445k] [Citation(s) in RCA: 53] [Impact Index Per Article: 10.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Abstract
Ring-opening metathesis polymerization-induced self-assembly (ROMPISA) has expanded the preparation of PISA nano-objects beyond radical polymerization approaches. In this highlight article, we summarize current advances and existing challenges in ROMPISA methodologies.
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Affiliation(s)
- Spyridon Varlas
- School of Chemistry
- University of Birmingham
- Edgbaston
- Birmingham
- UK
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13
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Zhu C, Wu X, Zenkina O, Zamora MT, Moffat K, Crudden CM, Cunningham MF. Ring-Opening Metathesis Polymerization in Miniemulsion Using a TEGylated Ruthenium-Based Metathesis Catalyst. Macromolecules 2018. [DOI: 10.1021/acs.macromol.8b02240] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Chunyang Zhu
- Department of Chemical Engineering, Queen’s University, 19 Division St., Kingston, Ontario, Canada K7L 3N6
| | - Xiaowei Wu
- Department of Chemistry, Queen’s University, 90 Bader Lane, Kingston, Ontario, Canada K7L 3N6
| | - Olena Zenkina
- Department of Chemistry, Queen’s University, 90 Bader Lane, Kingston, Ontario, Canada K7L 3N6
| | - Matthew T. Zamora
- Department of Chemistry, Queen’s University, 90 Bader Lane, Kingston, Ontario, Canada K7L 3N6
| | - Karen Moffat
- Xerox Research Centre
of Canada, 2660 Speakman Drive, Mississauga, Ontario, Canada L5K 2L1
| | - Cathleen M. Crudden
- Department of Chemistry, Queen’s University, 90 Bader Lane, Kingston, Ontario, Canada K7L 3N6
| | - Michael F. Cunningham
- Department of Chemical Engineering, Queen’s University, 19 Division St., Kingston, Ontario, Canada K7L 3N6
- Department of Chemistry, Queen’s University, 90 Bader Lane, Kingston, Ontario, Canada K7L 3N6
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14
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Kim C, Chung H. Oligo(ethylene glycol) Length Effect of Water-Soluble Ru-Based Olefin Metathesis Catalysts on Reactivity and Removability. J Org Chem 2018; 83:9787-9794. [PMID: 30092137 DOI: 10.1021/acs.joc.8b01312] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
A study of reaction kinetics and removal efficiency of a family of ruthenium (Ru)-based olefin metathesis catalysts containing ethylene-glycol-oligomer-tethered N-heterocyclic carbene (NHC) ligands has been carried out, with a focus on variation of ethylene glycol oligomer length. The length of ethylene glycol oligomer was precisely defined by sequential addition of repeating units. Due to the dual solubility of ethylene glycol oligomer, the produced catalyst was highly soluble in both aqueous and organic solvents (dichloromethane). In aqueous solution, the polarity increase with longer ethylene glycol oligomers enhanced the reactivity in homogeneous solution. The length of ethylene glycol oligomer did not significantly affect olefin metathesis rate in organic solution. Yet the removal efficiency of catalyst strongly relies on the length of ethylene glycol oligomer. A longer ethylene glycol oligomer demonstrated better catalyst removal efficiency. The tested catalyst removal method was aqueous extraction from organic solution using its higher water solubility property compared to its lower organic solvent (dichloromethane) solubility property. The results obtained from the aqueous extraction catalyst removal method demonstrated similar and/or better removal rates compared to previously reported host-guest catalyst removal methods.
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Affiliation(s)
- Cheoljae Kim
- Department of Chemical and Biomedical Engineering , Florida State University , 2525 Pottsdamer Street, Building A, Suite A131 , Tallahassee , Florida 32310 , United States
| | - Hoyong Chung
- Department of Chemical and Biomedical Engineering , Florida State University , 2525 Pottsdamer Street, Building A, Suite A131 , Tallahassee , Florida 32310 , United States
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15
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Foster JC, Varlas S, Blackman LD, Arkinstall LA, O'Reilly RK. Ring‐Opening Metathesis Polymerization in Aqueous Media Using a Macroinitiator Approach. Angew Chem Int Ed Engl 2018; 57:10672-10676. [DOI: 10.1002/anie.201806719] [Citation(s) in RCA: 64] [Impact Index Per Article: 10.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/11/2018] [Indexed: 01/05/2023]
Affiliation(s)
- Jeffrey C. Foster
- School of ChemistryUniversity of Birmingham Edgbaston Birmingham B15 2TT UK
| | - Spyridon Varlas
- School of ChemistryUniversity of Birmingham Edgbaston Birmingham B15 2TT UK
| | - Lewis D. Blackman
- Department of ChemistryThe University of Warwick Gibbet Hill Road Coventry CV4 7AL UK
| | - Lucy A. Arkinstall
- School of ChemistryUniversity of Birmingham Edgbaston Birmingham B15 2TT UK
| | - Rachel K. O'Reilly
- School of ChemistryUniversity of Birmingham Edgbaston Birmingham B15 2TT UK
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16
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Foster JC, Varlas S, Blackman LD, Arkinstall LA, O'Reilly RK. Ring‐Opening Metathesis Polymerization in Aqueous Media Using a Macroinitiator Approach. Angew Chem Int Ed Engl 2018. [DOI: 10.1002/ange.201806719] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Affiliation(s)
- Jeffrey C. Foster
- School of ChemistryUniversity of Birmingham Edgbaston Birmingham B15 2TT UK
| | - Spyridon Varlas
- School of ChemistryUniversity of Birmingham Edgbaston Birmingham B15 2TT UK
| | - Lewis D. Blackman
- Department of ChemistryThe University of Warwick Gibbet Hill Road Coventry CV4 7AL UK
| | - Lucy A. Arkinstall
- School of ChemistryUniversity of Birmingham Edgbaston Birmingham B15 2TT UK
| | - Rachel K. O'Reilly
- School of ChemistryUniversity of Birmingham Edgbaston Birmingham B15 2TT UK
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17
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Yip AMH, Lo KKW. Luminescent rhenium(I), ruthenium(II), and iridium(III) polypyridine complexes containing a poly(ethylene glycol) pendant or bioorthogonal reaction group as biological probes and photocytotoxic agents. Coord Chem Rev 2018. [DOI: 10.1016/j.ccr.2018.01.021] [Citation(s) in RCA: 88] [Impact Index Per Article: 14.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
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18
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Jeong Y, Tonga GY, Duncan B, Yan B, Das R, Sahub C, Rotello VM. Solubilization of Hydrophobic Catalysts Using Nanoparticle Hosts. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2018; 14:10.1002/smll.201702198. [PMID: 29271047 PMCID: PMC5848072 DOI: 10.1002/smll.201702198] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/27/2017] [Revised: 10/23/2017] [Indexed: 05/17/2023]
Abstract
A modular strategy for the solubilization and protection of hydrophobic transition metal catalysts using the hydrophobic pockets of water soluble gold nanoparticles is reported. Besides preserving original catalyst activity, this encapsulation strategy provides a protective environment for the hydrophobic catalyst and brings reusability. This system provides a versatile platform for the encapsulation of different hydrophobic transition metal catalysts, allowing a wide range of catalysis in water while uniting the advantages of homogeneous and heterogeneous catalysis in the same system.
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Affiliation(s)
- Youngdo Jeong
- Department of Chemistry, University of Massachusetts Amherst, 710 North Pleasant Street, Amherst, MA 01003, USA
| | - Gulen Yesilbag Tonga
- Department of Chemistry, University of Massachusetts Amherst, 710 North Pleasant Street, Amherst, MA 01003, USA
| | - Bradley Duncan
- Department of Chemistry, University of Massachusetts Amherst, 710 North Pleasant Street, Amherst, MA 01003, USA
| | - Bo Yan
- Department of Chemistry, University of Massachusetts Amherst, 710 North Pleasant Street, Amherst, MA 01003, USA
| | - Riddha Das
- Department of Chemistry, University of Massachusetts Amherst, 710 North Pleasant Street, Amherst, MA 01003, USA
| | - Chonticha Sahub
- Department of Chemistry, University of Massachusetts Amherst, 710 North Pleasant Street, Amherst, MA 01003, USA. Supramolecular Chemistry Research Unit, Department of Chemistry, Faculty of Science, Chulalongkorn University, Bangkok, 10330, Thailand
| | - Vincent M. Rotello
- Department of Chemistry, University of Massachusetts Amherst, 710 North Pleasant Street, Amherst, MA 01003, USA
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Kosif I, Kratz K, You SS, Bera MK, Kim K, Leahy B, Emrick T, Lee KYC, Lin B. Robust Gold Nanoparticle Sheets by Ligand Cross-Linking at the Air-Water Interface. ACS NANO 2017; 11:1292-1300. [PMID: 28085248 DOI: 10.1021/acsnano.6b05563] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/06/2023]
Abstract
We report the results of cross-linking of two-dimensional gold nanoparticle (Au-NP) assemblies at the air-water interface in situ. We introduce an aqueous soluble ruthenium benzylidene catalyst into the water subphase to generate a robust, elastic two-dimensional network of nanoparticles containing cyclic olefins in their ligand framework. The most striking feature of the cross-linked Au-NP assemblies is that the extended connectivity of the nanoparticles enables the film to preserve much of its integrity under compression and expansion, features that are absent in its non-cross-linked counterparts. The cross-linking process appears to "stitch" the nanoparticle crystalline domains together, allowing the cross-linked monolayers to behave like a piece of fabric under lateral compression.
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Affiliation(s)
- Irem Kosif
- Department of Polymer Science and Engineering, University of Massachusetts , Amherst, Massachusetts 01003, United States
| | - Katrina Kratz
- Department of Polymer Science and Engineering, University of Massachusetts , Amherst, Massachusetts 01003, United States
| | | | | | | | | | - Todd Emrick
- Department of Polymer Science and Engineering, University of Massachusetts , Amherst, Massachusetts 01003, United States
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Öztürk BÖ, Kolberg A, Karabulut Şehitoğlu S. Nonaqueous and Aqueous Emulsion ROMP Reactions Induced by Environment-Friendly Latent Ruthenium Indenylidene Catalyst Bearing Morpholine Substituted Bidentate (N, O) Schiff Bases. MACROMOL CHEM PHYS 2017. [DOI: 10.1002/macp.201600594] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Affiliation(s)
| | - Adrianna Kolberg
- Institut für Anorganische und Analytische Chemie; Albert-Ludwigs-Universität Freiburg; Albertstraße 21 79104 Freiburg Germany
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Supported Catalysts Useful in Ring-Closing Metathesis, Cross Metathesis, and Ring-Opening Metathesis Polymerization. Polymers (Basel) 2016; 8:polym8040140. [PMID: 30979231 PMCID: PMC6432279 DOI: 10.3390/polym8040140] [Citation(s) in RCA: 25] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/17/2016] [Revised: 04/01/2016] [Accepted: 04/07/2016] [Indexed: 11/17/2022] Open
Abstract
Ruthenium and molybdenum catalysts are widely used in synthesis of both small molecules and macromolecules. While major developments have led to new increasingly active catalysts that have high functional group compatibility and stereoselectivity, catalyst/product separation, catalyst recycling, and/or catalyst residue/product separation remain an issue in some applications of these catalysts. This review highlights some of the history of efforts to address these problems, first discussing the problem in the context of reactions like ring-closing metathesis and cross metathesis catalysis used in the synthesis of low molecular weight compounds. It then discusses in more detail progress in dealing with these issues in ring opening metathesis polymerization chemistry. Such approaches depend on a biphasic solid/liquid or liquid separation and can use either always biphasic or sometimes biphasic systems and approaches to this problem using insoluble inorganic supports, insoluble crosslinked polymeric organic supports, soluble polymeric supports, ionic liquids and fluorous phases are discussed.
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Isarov SA, Lee PW, Pokorski JK. “Graft-to” Protein/Polymer Conjugates Using Polynorbornene Block Copolymers. Biomacromolecules 2016; 17:641-8. [DOI: 10.1021/acs.biomac.5b01582] [Citation(s) in RCA: 32] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Affiliation(s)
- Sergey A. Isarov
- Department of Macromolecular
Science and Engineering, School of Engineering, Case Western Reserve University, Cleveland, Ohio 44106, United States
| | - Parker W. Lee
- Department of Macromolecular
Science and Engineering, School of Engineering, Case Western Reserve University, Cleveland, Ohio 44106, United States
| | - Jonathan K. Pokorski
- Department of Macromolecular
Science and Engineering, School of Engineering, Case Western Reserve University, Cleveland, Ohio 44106, United States
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Piradashvili K, Alexandrino EM, Wurm FR, Landfester K. Reactions and Polymerizations at the Liquid–Liquid Interface. Chem Rev 2015; 116:2141-69. [DOI: 10.1021/acs.chemrev.5b00567] [Citation(s) in RCA: 156] [Impact Index Per Article: 17.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/19/2023]
Affiliation(s)
- Keti Piradashvili
- Max Planck Institute for Polymer Research, Ackermannweg 10, 55128 Mainz, Germany
| | | | - Frederik R. Wurm
- Max Planck Institute for Polymer Research, Ackermannweg 10, 55128 Mainz, Germany
| | - Katharina Landfester
- Max Planck Institute for Polymer Research, Ackermannweg 10, 55128 Mainz, Germany
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24
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Balogh J, Hlil AR, Su HL, Xi Z, Bazzi HS, Gladysz JA. An Analogue of Grubbs Third-Generation Catalyst with Fluorophilic Pyridine Ligands: Fluorous/Organic Phase-Transfer Activation of Ring-Closing Alkene Metathesis. ChemCatChem 2015. [DOI: 10.1002/cctc.201500913] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Affiliation(s)
- Janos Balogh
- Department of Chemistry; Texas A&M University at Qatar; P.O. Box 23874 Doha Qatar
| | - Antisar R. Hlil
- Department of Chemistry; Texas A&M University at Qatar; P.O. Box 23874 Doha Qatar
| | - Haw-Lih Su
- Department of Chemistry; Texas A&M University at Qatar; P.O. Box 23874 Doha Qatar
| | - Zhenxing Xi
- Department of Chemistry; Texas A&M University; P.O. Box 30012 College Station Texas 77842-3012 USA
| | - Hassan S. Bazzi
- Department of Chemistry; Texas A&M University at Qatar; P.O. Box 23874 Doha Qatar
| | - John A. Gladysz
- Department of Chemistry; Texas A&M University; P.O. Box 30012 College Station Texas 77842-3012 USA
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25
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Balof SL, Nix KO, Olliff MS, Roessler SE, Saha A, Müller KB, Behrens U, Valente EJ, Schanz HJ. Hexacoordinate Ru-based olefin metathesis catalysts with pH-responsive N-heterocyclic carbene (NHC) and N-donor ligands for ROMP reactions in non-aqueous, aqueous and emulsion conditions. Beilstein J Org Chem 2015; 11:1960-72. [PMID: 26664616 PMCID: PMC4660970 DOI: 10.3762/bjoc.11.212] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/15/2015] [Accepted: 09/24/2015] [Indexed: 11/23/2022] Open
Abstract
Three new ruthenium alkylidene complexes (PCy3)Cl2(H2ITap)Ru=CHSPh (9), (DMAP)2Cl2(H2ITap)Ru=CHPh (11) and (DMAP)2Cl2(H2ITap)Ru=CHSPh (12) have been synthesized bearing the pH-responsive H2ITap ligand (H2ITap = 1,3-bis(2’,6’-dimethyl-4’-dimethylaminophenyl)-4,5-dihydroimidazol-2-ylidene). Catalysts 11 and 12 are additionally ligated by two pH-responsive DMAP ligands. The crystal structure was solved for complex 12 by X-ray diffraction. In organic, neutral solution, the catalysts are capable of performing standard ring-opening metathesis polymerization (ROMP) and ring closing metathesis (RCM) reactions with standard substrates. The ROMP with complex 11 is accelerated in the presence of two equiv of H3PO4, but is reduced as soon as the acid amount increased. The metathesis of phenylthiomethylidene catalysts 9 and 12 is sluggish at room temperature, but their ROMP can be dramatically accelerated at 60 °C. Complexes 11 and 12 are soluble in aqueous acid. They display the ability to perform RCM of diallylmalonic acid (DAMA), however, their conversions are very low amounting only to few turnovers before decomposition. However, both catalysts exhibit outstanding performance in the ROMP of dicyclopentadiene (DCPD) and mixtures of DCPD with cyclooctene (COE) in acidic aqueous microemulsion. With loadings as low as 180 ppm, the catalysts afforded mostly quantitative conversions of these monomers while maintaining the size and shape of the droplets throughout the polymerization process. Furthermore, the coagulate content for all experiments stayed <2%. This represents an unprecedented efficiency in emulsion ROMP based on hydrophilic ruthenium alkylidene complexes.
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Affiliation(s)
- Shawna L Balof
- Department of Chemistry & Biochemistry, The University of Southern Mississippi, 118 College Drive, Hattiesburg, MS 39406-5043, USA
| | - K Owen Nix
- Department of Chemistry, Georgia Southern University, 521 College of Education Drive, Statesboro, GA 30458-8064, USA
| | - Matthew S Olliff
- Department of Chemistry, Georgia Southern University, 521 College of Education Drive, Statesboro, GA 30458-8064, USA
| | - Sarah E Roessler
- Department of Chemistry, Georgia Southern University, 521 College of Education Drive, Statesboro, GA 30458-8064, USA
| | - Arpita Saha
- Department of Chemistry, Georgia Southern University, 521 College of Education Drive, Statesboro, GA 30458-8064, USA
| | | | - Ulrich Behrens
- BASF SE, Basic Chemicals Research, GCB/C - M313, 67056 Ludwigshafen, Germany
| | - Edward J Valente
- Department of Chemistry, University of Portland, 5000 N. Willamette Blvd., Portland, OR 97203, USA
| | - Hans-Jörg Schanz
- Department of Chemistry, Georgia Southern University, 521 College of Education Drive, Statesboro, GA 30458-8064, USA
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26
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Isarov SA, Pokorski JK. Protein ROMP: Aqueous Graft-from Ring-Opening Metathesis Polymerization. ACS Macro Lett 2015; 4:969-973. [PMID: 35596466 DOI: 10.1021/acsmacrolett.5b00497] [Citation(s) in RCA: 50] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
Ring-opening metathesis polymerization (ROMP) was carried out from the surface of a protein under aqueous conditions. Grubbs' third generation catalyst was modified with PEGylated pyridyl groups to form a water-soluble species that showed high activity in aqueous buffered solutions at near-neutral pH. The modification of a protein with this catalyst to create a stable macroinitiator for ROMP is described. The protein macroinitiator was then used to polymerize water-soluble norbornenes, resulting in high molecular weight protein/polymer conjugates. Varying polymerization time and monomer concentration demonstrated the kinetics of molecular weight evolution and macroinitiator conversion of graft-from ROMP.
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Affiliation(s)
- Sergey A. Isarov
- Department of Physiology and Biophysics, School of Medicine, and ‡Department of
Macromolecular Science and Engineering, School of Engineering, Case Western Reserve University, Cleveland, Ohio 44106, United States
| | - Jonathan K. Pokorski
- Department of Physiology and Biophysics, School of Medicine, and ‡Department of
Macromolecular Science and Engineering, School of Engineering, Case Western Reserve University, Cleveland, Ohio 44106, United States
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27
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Levin E, Ivry E, Diesendruck CE, Lemcoff NG. Water in N-heterocyclic carbene-assisted catalysis. Chem Rev 2015; 115:4607-92. [PMID: 25942582 DOI: 10.1021/cr400640e] [Citation(s) in RCA: 182] [Impact Index Per Article: 20.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Affiliation(s)
- Efrat Levin
- †Chemistry Department, Ben-Gurion University of the Negev, Beer-Sheva 84105, Israel
| | - Elisa Ivry
- †Chemistry Department, Ben-Gurion University of the Negev, Beer-Sheva 84105, Israel
| | - Charles E Diesendruck
- ‡Schulich Faculty of Chemistry, Technion-Israel Institute of Technology, Haifa 32000, Israel
| | - N Gabriel Lemcoff
- †Chemistry Department, Ben-Gurion University of the Negev, Beer-Sheva 84105, Israel
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28
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Pentela N, Murugan P, Jaisankar SN, Samanta D, Mandal AB. Immobilization of ruthenium benzylidene on thermoresponsive polymer: Methodology and application. J Organomet Chem 2015. [DOI: 10.1016/j.jorganchem.2014.12.005] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/03/2023]
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29
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Wang D, Astruc D. Magnetically recoverable ruthenium catalysts in organic synthesis. Molecules 2014; 19:4635-53. [PMID: 24739927 PMCID: PMC6270722 DOI: 10.3390/molecules19044635] [Citation(s) in RCA: 27] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/24/2014] [Revised: 04/01/2014] [Accepted: 04/10/2014] [Indexed: 11/24/2022] Open
Abstract
Magnetically recyclable catalysts with magnetic nanoparticles (MNPs) are becoming a major trend towards sustainable catalysts. In this area, recyclable supported ruthenium complexes and ruthenium nanoparticles occupy a key place and present great advantages compared to classic catalysts. In this micro-review, attention is focused on the fabrication of MNP-supported ruthenium catalysts and their catalytic applications in various organic syntheses.
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Affiliation(s)
- Dong Wang
- ISM, UMR CNRS No. 5255, Université Bordeaux, Talence Cedex 33405, France.
| | - Didier Astruc
- ISM, UMR CNRS No. 5255, Université Bordeaux, Talence Cedex 33405, France.
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30
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Le D, Morandi G, Legoupy S, Pascual S, Montembault V, Fontaine L. Cyclobutenyl macromonomers: Synthetic strategies and ring-opening metathesis polymerization. Eur Polym J 2013. [DOI: 10.1016/j.eurpolymj.2013.01.008] [Citation(s) in RCA: 20] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/29/2022]
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31
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Chardon E, Dahm G, Guichard G, Bellemin-Laponnaz S. Exploring nitrogen ligand diversity in trans-N-heterocyclic carbene-amine platinum complexes: synthesis, characterization, and application to fluorescence. Chem Asian J 2013; 8:1232-42. [PMID: 23559499 DOI: 10.1002/asia.201201148] [Citation(s) in RCA: 24] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/01/2012] [Revised: 02/14/2013] [Indexed: 12/25/2022]
Abstract
Expand and diversify your Ptfolio: N-Heterocyclic carbene-Pt-pyridine complexes have been used to generate an expanded and diversified set of trans NHC-Pt complexes with various amines, polyamines, hydroxylamines, or hydrazine as ligands. Attachment of a fluorophore moiety has also been successfully achieved.
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Affiliation(s)
- Edith Chardon
- Institut de Physique et Chimie des Matériaux de Strasbourg, Université de Strasbourg-CNRS UMR 7504, 23 rue du Loess, BP 43, 67034 Strasbourg, France
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32
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Klučiar M, Grela K, Mauduit M. Ruthenium-based complexes containing a benzimidazolium tag covalently connected to N-heterocyclic carbene ligands: environmentally friendly catalysts for olefin metathesis transformations. Dalton Trans 2013; 42:7354-8. [DOI: 10.1039/c2dt32856a] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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33
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Choi AWT, Louie MW, Li SPY, Liu HW, Chan BTN, Lam TCY, Lin ACC, Cheng SH, Lo KKW. Emissive Behavior, Cytotoxic Activity, Cellular Uptake, and PEGylation Properties of New Luminescent Rhenium(I) Polypyridine Poly(ethylene glycol) Complexes. Inorg Chem 2012. [DOI: 10.1021/ic301948d] [Citation(s) in RCA: 72] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/10/2023]
Affiliation(s)
- Alex Wing-Tat Choi
- Department of Biology and Chemistry, City University of Hong Kong, Tat Chee Avenue, Kowloon, Hong Kong, P.R.
China
| | - Man-Wai Louie
- Department of Biology and Chemistry, City University of Hong Kong, Tat Chee Avenue, Kowloon, Hong Kong, P.R.
China
| | - Steve Po-Yam Li
- Department of Biology and Chemistry, City University of Hong Kong, Tat Chee Avenue, Kowloon, Hong Kong, P.R.
China
| | - Hua-Wei Liu
- Department of Biology and Chemistry, City University of Hong Kong, Tat Chee Avenue, Kowloon, Hong Kong, P.R.
China
| | - Bruce Ting-Ngok Chan
- Department of Biology and Chemistry, City University of Hong Kong, Tat Chee Avenue, Kowloon, Hong Kong, P.R.
China
| | - Tonlex Chun-Ying Lam
- Department of Biology and Chemistry, City University of Hong Kong, Tat Chee Avenue, Kowloon, Hong Kong, P.R.
China
| | - Alex Chun-Chi Lin
- Department of Biology and Chemistry, City University of Hong Kong, Tat Chee Avenue, Kowloon, Hong Kong, P.R.
China
| | - Shuk-Han Cheng
- Department of Biology and Chemistry, City University of Hong Kong, Tat Chee Avenue, Kowloon, Hong Kong, P.R.
China
| | - Kenneth Kam-Wing Lo
- Department of Biology and Chemistry, City University of Hong Kong, Tat Chee Avenue, Kowloon, Hong Kong, P.R.
China
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34
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Chardon E, Puleo GL, Dahm G, Fournel S, Guichard G, Bellemin-Laponnaz S. Easy Derivatisation of Group 10 N-Heterocyclic Carbene Complexes and In Vitro Evaluation of an Anticancer Oestradiol Conjugate. Chempluschem 2012. [DOI: 10.1002/cplu.201200092] [Citation(s) in RCA: 33] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/29/2022]
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35
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Le D, Montembault V, Pascual S, Legoupy S, Fontaine L. An Orthogonal Modular Approach to Macromonomers Using Clickable Cyclobutenyl Derivatives and RAFT Polymerization. Macromolecules 2012. [DOI: 10.1021/ma3016163] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
Affiliation(s)
- Dao Le
- LUNAM Université, Institut des Molécules
et des Matériaux du Mans, Equipe Méthodologie et Synthèse
des Polymères, UMR CNRS 6283, Université du Maine, Avenue Olivier Messiaen, 72085 Le Mans Cedex
9, France
| | - Véronique Montembault
- LUNAM Université, Institut des Molécules
et des Matériaux du Mans, Equipe Méthodologie et Synthèse
des Polymères, UMR CNRS 6283, Université du Maine, Avenue Olivier Messiaen, 72085 Le Mans Cedex
9, France
| | - Sagrario Pascual
- LUNAM Université, Institut des Molécules
et des Matériaux du Mans, Equipe Méthodologie et Synthèse
des Polymères, UMR CNRS 6283, Université du Maine, Avenue Olivier Messiaen, 72085 Le Mans Cedex
9, France
| | - Stéphanie Legoupy
- LUNAM Université, Institut des Molécules
et des Matériaux du Mans, Equipe Méthodologie et Synthèse
des Polymères, UMR CNRS 6283, Université du Maine, Avenue Olivier Messiaen, 72085 Le Mans Cedex
9, France
| | - Laurent Fontaine
- LUNAM Université, Institut des Molécules
et des Matériaux du Mans, Equipe Méthodologie et Synthèse
des Polymères, UMR CNRS 6283, Université du Maine, Avenue Olivier Messiaen, 72085 Le Mans Cedex
9, France
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36
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Yano S, Ohi H, Ashizaki M, Obata M, Mikata Y, Tanaka R, Nishioka T, Kinoshita I, Sugai Y, Okura I, Ogura SI, Czaplewska JA, Gottschaldt M, Schubert US, Funabiki T, Morimoto K, Nakai M. Syntheses, Characterization, and Antitumor Activities of Platinum(II) and Palladium(II) Complexes with Sugar-Conjugated Triazole Ligands. Chem Biodivers 2012; 9:1903-15. [DOI: 10.1002/cbdv.201100426] [Citation(s) in RCA: 30] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
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37
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Samanta D, Murugan P, Ananthakrishnan SJ, Somanathan N, Das SK, Jaisankar SN, Mandal AB. “Click” polymerization on a self-assembled monolayer: a convenient approach to functionalize various surfaces with polytriazoles. Chem Commun (Camb) 2012; 48:12068-70. [DOI: 10.1039/c2cc36712b] [Citation(s) in RCA: 20] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
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38
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Velazquez HD, Verpoort F. N-heterocyclic carbene transition metal complexes for catalysis in aqueous media. Chem Soc Rev 2012; 41:7032-60. [DOI: 10.1039/c2cs35102a] [Citation(s) in RCA: 299] [Impact Index Per Article: 24.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
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39
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Goh TK, Guntari SN, Ochs CJ, Blencowe A, Mertz D, Connal LA, Such GK, Qiao GG, Caruso F. Nanoengineered films via surface-confined continuous assembly of polymers. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2011; 7:2863-2867. [PMID: 21990191 DOI: 10.1002/smll.201101368] [Citation(s) in RCA: 30] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/08/2011] [Indexed: 05/31/2023]
Affiliation(s)
- Tor Kit Goh
- Department of Chemical and Biomolecular Engineering, The University of Melbourne, Parkville, Victoria, Australia
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40
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Tenbrink K, Seßler M, Schatz J, Gröger H. Combination of Olefin Metathesis and Enzymatic Ester Hydrolysis in Aqueous Media in a One-Pot Synthesis. Adv Synth Catal 2011. [DOI: 10.1002/adsc.201100403] [Citation(s) in RCA: 55] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
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41
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Schweinfurth D, Weisser F, Bubrin D, Bogani L, Sarkar B. Cobalt Complexes with “Click”-Derived Functional Tripodal Ligands: Spin Crossover and Coordination Ambivalence. Inorg Chem 2011; 50:6114-21. [DOI: 10.1021/ic200246v] [Citation(s) in RCA: 60] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/17/2023]
Affiliation(s)
- David Schweinfurth
- Institut für Anorganische Chemie, Universität Stuttgart, Pfaffenwaldring 55, D-70550, Stuttgart, Germany
| | - Fritz Weisser
- Institut für Anorganische Chemie, Universität Stuttgart, Pfaffenwaldring 55, D-70550, Stuttgart, Germany
| | - Denis Bubrin
- Institut für Anorganische Chemie, Universität Stuttgart, Pfaffenwaldring 55, D-70550, Stuttgart, Germany
| | - Lapo Bogani
- Physikalisches Institut, Universität Stuttgart, Pfaffenwaldring 57, D-70550, Stuttgart, Germany
| | - Biprajit Sarkar
- Institut für Anorganische Chemie, Universität Stuttgart, Pfaffenwaldring 55, D-70550, Stuttgart, Germany
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42
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Dunbar MA, Balof SL, Roberts AN, Valente EJ, Schanz HJ. pH-Responsive Ruthenium-Based Olefin Metathesis Catalysts: Controlled Ring-Opening Metathesis Polymerization in Alcoholic and Aqueous Media upon Acid Addition. Organometallics 2010. [DOI: 10.1021/om100633f] [Citation(s) in RCA: 38] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Miles A. Dunbar
- Department of Chemistry & Biochemistry, The University of Southern Mississippi, 118 College Drive, Hattiesburg, Mississippi 39406-5043, United States
| | - Shawna L. Balof
- Department of Chemistry & Biochemistry, The University of Southern Mississippi, 118 College Drive, Hattiesburg, Mississippi 39406-5043, United States
| | - Adam N. Roberts
- Department of Chemistry & Biochemistry, The University of Southern Mississippi, 118 College Drive, Hattiesburg, Mississippi 39406-5043, United States
| | - Edward J. Valente
- Department of Chemistry, University of Portland, 5000 N. Willamette Blvd., Portland, Oregon 97203, United States
| | - Hans-Jörg Schanz
- Department of Chemistry & Biochemistry, The University of Southern Mississippi, 118 College Drive, Hattiesburg, Mississippi 39406-5043, United States
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43
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Le D, Montembault V, Soutif JC, Rutnakornpituk M, Fontaine L. Synthesis of Well-Defined ω-Oxanorbornenyl Poly(ethylene oxide) Macromonomers via Click Chemistry and Their Ring-Opening Metathesis Polymerization. Macromolecules 2010. [DOI: 10.1021/ma100779q] [Citation(s) in RCA: 70] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- D. Le
- LCOM-Chimie des Polymères, UCO2M, UMR CNRS 6011, Université du Maine, Avenue O. Messiaen, 72085 Le Mans Cedex 09, France
| | - V. Montembault
- LCOM-Chimie des Polymères, UCO2M, UMR CNRS 6011, Université du Maine, Avenue O. Messiaen, 72085 Le Mans Cedex 09, France
| | - J.-C. Soutif
- LCOM-Chimie des Polymères, UCO2M, UMR CNRS 6011, Université du Maine, Avenue O. Messiaen, 72085 Le Mans Cedex 09, France
| | - M. Rutnakornpituk
- Department of Chemistry, Faculty of Science, Naresuan University, Muang, Phitsanuloke, 65 000, Thailand
| | - Laurent Fontaine
- LCOM-Chimie des Polymères, UCO2M, UMR CNRS 6011, Université du Maine, Avenue O. Messiaen, 72085 Le Mans Cedex 09, France
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44
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Vougioukalakis GC, Grubbs RH. Ruthenium-based heterocyclic carbene-coordinated olefin metathesis catalysts. Chem Rev 2010; 110:1746-87. [PMID: 20000700 DOI: 10.1021/cr9002424] [Citation(s) in RCA: 1579] [Impact Index Per Article: 112.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Georgios C Vougioukalakis
- Institute of Physical Chemistry, National Centre of Scientific Research Demokritos, 15310 Agia Paraskevi, Greece
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45
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Joralemon MJ, McRae S, Emrick T. PEGylated polymers for medicine: from conjugation to self-assembled systems. Chem Commun (Camb) 2010; 46:1377-93. [PMID: 20162127 DOI: 10.1039/b920570p] [Citation(s) in RCA: 194] [Impact Index Per Article: 13.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Synthetic polymers have transformed society in many areas of science and technology, including recent breakthroughs in medicine. Synthetic polymers now offer unique and versatile platforms for drug delivery, as they can be "bio-tailored" for applications as implants, medical devices, and injectable polymer-drug conjugates. However, while several currently used therapeutic proteins and small molecule drugs have benefited from synthetic polymers, the full potential of polymer-based drug delivery platforms has not yet been realized. This review examines both general advantages and specific cases of synthetic polymers in drug delivery, focusing on PEGylation in the context of polymer architecture, self-assembly, and conjugation techniques that show considerable effectiveness and/or potential in therapeutics.
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Affiliation(s)
- Maisie J Joralemon
- Department of Polymer Science & Engineering, University of Massachusetts, Amherst, MA 01003, USA
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46
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The chemistry of the carbon-transition metal double and triple bond: Annual survey covering the year 2008. Coord Chem Rev 2010. [DOI: 10.1016/j.ccr.2009.07.018] [Citation(s) in RCA: 42] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
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47
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Xie M, Han H, Ding L, Shi J. Promotion of Atom Transfer Radical Polymerization and Ring-Opening Metathesis Polymerization in Ionic Liquids. POLYM REV 2009. [DOI: 10.1080/15583720903291108] [Citation(s) in RCA: 12] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
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48
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Elias S, Vigalok A. Amphiphilic Block Polypeptide-Type Ligands for Micellar Catalysis in Water. Adv Synth Catal 2009. [DOI: 10.1002/adsc.200900203] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
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49
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Shaughnessy KH. Hydrophilic ligands and their application in aqueous-phase metal-catalyzed reactions. Chem Rev 2009; 109:643-710. [PMID: 19152291 DOI: 10.1021/cr800403r] [Citation(s) in RCA: 375] [Impact Index Per Article: 25.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Affiliation(s)
- Kevin H Shaughnessy
- Department of Chemistry and the Center for Green Manufacturing, The University of Alabama, Box 870336, Tuscaloosa, Alabama 35487-0336, USA.
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50
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Katsumata T, Shiotsuki M, Sanda F, Masuda T. Synthesis and properties of polynorbornenes bearing oligomeric siloxane pendant groups. POLYMER 2009. [DOI: 10.1016/j.polymer.2009.01.039] [Citation(s) in RCA: 33] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
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