Ring-opening polymerization of cyclohexene oxide by a novel dicationic palladium catalyst

被引：10

作者：

Zhang, Y

Wang, DG

Wurst, K

Buchmeiser, MR

机构：

[1] Leibniz Inst Surface Modificat, IOM, D-04318 Leipzig, Germany

[2] Univ Innsbruck, Inst Allgemeine Anorgan & Theoret Chem, A-6020 Innsbruck, Austria

[3] Univ Leipzig, Inst Tech Chem, D-04103 Leipzig, Germany

来源：

DESIGNED MONOMERS AND POLYMERS | 2005年 / 8卷 / 06期

基金：

奥地利科学基金会;

关键词：

palladium; ring-opening polymerization; cationic polymerization; cyclohex-1-ene oxide;

D O I：

10.1163/156855505774597722

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 of a novel, air- and moistures table dicationic palladium (II) complex, Pd(CH3CON-(2-pyridyl)(2))(CH3CN)(2)(2+) (PF6-)(2) (1) is described. 1 crystallizes in the mononoclinic space group C2/m, a = 2391.11(4), b = 1063.34(5), c = 1137.59(6) pm, alpha = 90 degrees, beta = 105.026(2)degrees gamma = 90 degrees, Z = 4. Its use in the ring-opening polymerization (ROP) of cyclohexene oxide in comparison to the parent catalyst, dichloropalladium di(pyrid-2-yl)amide (2) was investigated. In contrast to 2, 1 shows excellent reactivity in the ROP of cyclohexene oxide, allowing a class-II living polymerization, however, it fails to polymerize propylene oxide.

引用

页码：571 / 588

页数：18

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