Three-arm star ring opening metathesis polymers via alkyne-azide click reaction

Aydan Dag; Hakan Durmaz; Okan Sirkecioglu; Gurkan Hizal; Umit Tunca

doi:10.1002/pola.23324

Three-arm star ring opening metathesis polymers via alkyne-azide click reaction

Aydan Dag, Hakan Durmaz, Okan Sirkecioglu, Gurkan Hizal, Umit Tunca^*

^*Corresponding author for this work

Department of Chemistry

Istanbul Technical University

Research output: Contribution to journal › Article › peer-review

23 Citations (Scopus)

Abstract

The click chemistry strategy is successfully applied for the preparation of three-arm star (A₃) ring opening metathesis polymers. A well-defined monoazide end-functionalized poly(N-ethyl oxanorbornene) and a poly(N-butyl oxanorbornene) obtained via ring opening metathesis polymerization using first generation Grubbs' catalyst are simply clicked with the trisalkyne core affording the synthesis of target star polymers. The obtained star polymers are characterized via nuclear magnetic resonance spectroscopy and gel permeation chromatography (GPC). The deconvolution analyses of GPC traces reveal that the click reaction efficiency for the star formation strongly depends on the chemical nature and the molecular weight of ROM polymers.

Original language	English
Pages (from-to)	2344-2351
Number of pages	8
Journal	Journal of Polymer Science, Part A: Polymer Chemistry
Volume	47
Issue number	9
DOIs	https://doi.org/10.1002/pola.23324
Publication status	Published - 1 May 2009

Keywords

Arm-first
Click chemistry
GPC
Grubbs' catalyst
NMR
Oxanorbornene
Ring opening metathesis polymerization
Star polymers
Three-detection GPC

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10.1002/pola.23324

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title = "Three-arm star ring opening metathesis polymers via alkyne-azide click reaction",

abstract = "The click chemistry strategy is successfully applied for the preparation of three-arm star (A3) ring opening metathesis polymers. A well-defined monoazide end-functionalized poly(N-ethyl oxanorbornene) and a poly(N-butyl oxanorbornene) obtained via ring opening metathesis polymerization using first generation Grubbs' catalyst are simply clicked with the trisalkyne core affording the synthesis of target star polymers. The obtained star polymers are characterized via nuclear magnetic resonance spectroscopy and gel permeation chromatography (GPC). The deconvolution analyses of GPC traces reveal that the click reaction efficiency for the star formation strongly depends on the chemical nature and the molecular weight of ROM polymers.",

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AU - Dag, Aydan

AU - Durmaz, Hakan

AU - Sirkecioglu, Okan

AU - Hizal, Gurkan

AU - Tunca, Umit

PY - 2009/5/1

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AB - The click chemistry strategy is successfully applied for the preparation of three-arm star (A3) ring opening metathesis polymers. A well-defined monoazide end-functionalized poly(N-ethyl oxanorbornene) and a poly(N-butyl oxanorbornene) obtained via ring opening metathesis polymerization using first generation Grubbs' catalyst are simply clicked with the trisalkyne core affording the synthesis of target star polymers. The obtained star polymers are characterized via nuclear magnetic resonance spectroscopy and gel permeation chromatography (GPC). The deconvolution analyses of GPC traces reveal that the click reaction efficiency for the star formation strongly depends on the chemical nature and the molecular weight of ROM polymers.

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KW - Click chemistry

KW - GPC

KW - Grubbs' catalyst

KW - NMR

KW - Oxanorbornene

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KW - Three-detection GPC

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JF - Journal of Polymer Science, Part A: Polymer Chemistry

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Three-arm star ring opening metathesis polymers via alkyne-azide click reaction

Abstract

Keywords

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