Olefin metathesis in the ionic liquid 1-butyl-3-methylimidazolium hexafluorophosphate using a recyclable Ru catalyst: Remarkable effect of a designer ionic tag

被引：176

作者：

Yao, QW ^{[1
]}

Zhang, YL ^{[1
]}

机构：

[1] No Illinois Univ, Michael Faraday Labs, Dept Chem & Biochem, De Kalb, IL 60115 USA

来源：

ANGEWANDTE CHEMIE-INTERNATIONAL EDITION | 2003年 / 42卷 / 29期

关键词：

carbene complexes; homogeneous catalysis; ionic liquids; metathesis; ruthenium;

D O I：

10.1002/anie.200351222

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

Designer labels: Ruthenium carbene complex 1 bearing an ionic tag was shown to be a highly reactive catalyst for the ring-closing metathesis of various diene and enyne substrates in minimally ionic solvent systems (see scheme; Bmim = 1-butyl-3-methylimidazolium, Ts=toluene-4-sulfonyl). The catalyst can be repeatedly recycled and reused (up to at least 10 cycles) without significant loss of its activity, whereas other catalysts tested exhibited a dramatic diminishment in their activity upon recovery from the ionic layer.

引用

页码：3395 / 3398

页数：4

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