Reactivity of the Dicationic Ruthenium-Alkylidene Complex [Ru(DMF)3(IMesH2)(=CH-2-(2-PrO)-C6H4)],2+(BF4-)2] in Ring-Opening Metathesis and Cyclopolymerization

被引：21

作者：

Autenrieth, Benjamin ^{[1
]}

Anderson, Emily Baird ^{[1
]}

Wang, Dongren ^{[1
]}

Buchmeiser, Michael R. ^{[1
,2
]}

机构：

[1] Univ Stuttgart, Inst Polymerchem, Lehrstuhl Makromol Stoffe & Faserchem, D-70569 Stuttgart, Germany

[2] Inst Text Chem & Chemiefasern Denkendorf, D-73770 Denkendorf, Germany

来源：

MACROMOLECULAR CHEMISTRY AND PHYSICS | 2013年 / 214卷 / 01期

关键词：

cyclopolymerization; halide exchange; ring-opening metathesis polymerization; ruthenium; 1; 6-heptadiynes; GRUBBS-HOVEYDA INITIATORS; STEREOSELECTIVE CYCLOPOLYMERIZATION; STEREOSPECIFIC CYCLOPOLYMERIZATION; TRIGGERED CYCLOPOLYMERIZATION; DIETHYL DIPROPARGYLMALONATE; LIVING CYCLOPOLYMERIZATION; FACTORS RELEVANT; 1,6-HEPTADIYNES; CATALYSTS; MOLYBDENUM;

D O I：

10.1002/macp.201200544

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 reactivity of the dicationic Rualkylidene complex [Ru(DMF)3(IMesH2)(CH2(2PrO)C6H4)]2+(BF4-)2] (1, IMesH2 = 1,3-dimesitylimidazolin-2-ylidene) in the ring-opening metathesis polymerization (ROMP) of various functional norborn-2-enes as well as in the cyclopolymerization of different 1,6-heptadiynes is reported. Due to its dicationic character, complex 1 is highly electrophilic and possesses high reactivity towards alkenes and 1,6-heptadiynes. Generally, a pronounced difference in reactivity between monomers bearing coordinating groups and those that lack such moieties is observed. In the presence of ionic monomers containing coordinating anions such as Br- and I-, a rapid change in the nature of the propagating alkylidene from a dicationic to a neutral one is observed.

引用

页码：33 / 40

页数：8

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