Living Ring-Opening Polymerization of N-Sulfonylaziridines:  Synthesis of High Molecular Weight Linear Polyamines

Living Ring-Opening Polymerization of N-Sulfonylaziridines:  Synthesis of High Molecular Weight Linear Polyamines

Sulfonylaziridines have been identified as excellent monomers for living ring-opening polymerization initiated by nucleophilic sulfonylamides. The resulting polymers exhibit low polydispersities and controllable molecular weights. The enantiopurity of the monomer plays a key role:  racemic samples y...

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Veröffentlicht in:Journal of the American Chemical Society 2005-12, Vol.127 (50), p.17616-17617
Hauptverfasser: Stewart, Ian C, Lee, Cameron C, Bergman, Robert G, Toste, F. Dean
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Sprache:eng
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Applied sciences
Exact sciences and technology
Organic polymers
Physicochemistry of polymers
Polymerization
Preparation, kinetics, thermodynamics, mechanism and catalysts
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container_issue 50
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container_title Journal of the American Chemical Society
container_volume 127
creator Stewart, Ian C
Lee, Cameron C
Bergman, Robert G
Toste, F. Dean
description Sulfonylaziridines have been identified as excellent monomers for living ring-opening polymerization initiated by nucleophilic sulfonylamides. The resulting polymers exhibit low polydispersities and controllable molecular weights. The enantiopurity of the monomer plays a key role:  racemic samples yield soluble polymers of target molecular weights, while enantiopure samples produce insoluble polymers with molecular weights significantly below theoretical values. Dynamic light scattering and kinetics of polymerization are discussed.
doi_str_mv 10.1021/ja0554357
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subjects Applied sciences
Exact sciences and technology
Organic polymers
Physicochemistry of polymers
Polymerization
Preparation, kinetics, thermodynamics, mechanism and catalysts
title Living Ring-Opening Polymerization of N-Sulfonylaziridines:  Synthesis of High Molecular Weight Linear Polyamines
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