Three-Arm Star Ring Opening Metathesis Polymers via Alkyne-Azide Click Reaction

被引：21

作者：

Dag, Aydan ^{[1
]}

Durmaz, Hakan ^{[1
]}

Sirkecioglu, Okan ^{[1
]}

Hizal, Gurkan ^{[1
]}

Tunca, Umit ^{[1
]}

机构：

[1] Istanbul Tech Univ, Dept Chem, TR-34469 Istanbul, Turkey

来源：

JOURNAL OF POLYMER SCIENCE PART A-POLYMER CHEMISTRY | 2009年 / 47卷 / 09期

关键词：

arm-first; click chemistry; GPC; Grubbs' catalyst; NMR; oxanorbornene; ring opening metathesis polymerization; star polymers; three-detection GPC; BLOCK-COPOLYMERS; REACTION STRATEGY; CHEMISTRY; POLYMERIZATION; ROMP; TERPOLYMERS; COMBINATION; ATRP; QUARTERPOLYMERS;

D O I：

10.1002/pola.23324

中图分类号：

O63 [高分子化学（高聚物）];

学科分类号：

070305 ; 080501 ; 081704 ;

摘要：

The click chemistry strategy is successfully applied for the preparation of three-arm star (A(3)) 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. (C) 2009 Wiley Periodicals, Inc. J Polym Sci Part A: Polym Chem 47: 2344-2351, 2009

引用

页码：2344 / 2351

页数：8

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