Substituted Tris(2-pyridylmethyl)amine Ligands for Highly Active ATRP Catalysts

被引：67
|
作者：
Schroeder, Kristin [1 ]
Mathers, Robert T. [1 ]
Buback, Johannes [1 ]
Konkolewicz, Dominik [1 ]
Magenau, Andrew J. D. [1 ]
Matyjaszewski, Krzysztof [1 ]
机构：
[1] Carnegie Mellon Univ, Dept Chem, Pittsburgh, PA 15213 USA
来源：
ACS MACRO LETTERS | 2012年 / 1卷 / 08期
基金：
美国安德鲁·梅隆基金会; 美国国家科学基金会;
关键词：
TRANSFER RADICAL POLYMERIZATION; ACTIVATION RATE CONSTANTS; ELECTRON-TRANSFER; EQUILIBRIUM; COMPLEXES; REACTIVITY; ACRYLATES; COPPER(I); DESIGN;
D O I：
10.1021/mz3003787
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 synthesis and application of a very active catalyst for copper-catalyzed atom transfer radical polymerizations (ATRP) with tris([(4-methoxy-2,5-dimethyl)-2-pyridyl] methyl)amine (TPMA*) ligand is reported. Catalysts with TPMA* ligands are approximately 3 orders of magnitude more active than those with tris(2-pyridylmethyl)amine (TPMA). Catalyst activity was evaluated by cyclic voltammetry, stopped-flow, and ATRP kinetics. Catalysts with TPMA* ligands perform better than those with TPMA ligands, especially at low catalyst concentrations.
引用
收藏
页码：1037 / 1040
页数：4
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