A new stable Hoveyda-Grubbs catalyst with mixed anionic ligands

被引：20

作者：

Vehlow, Kati

Maechling, Simon

Koehler, Katrin

Blechert, Siegfried

机构：

[1] Tech Univ Berlin, D-10623 Berlin, Germany

[2] Merck KGaA, D-64293 Darmstadt, Germany

来源：

TETRAHEDRON LETTERS | 2006年 / 47卷 / 48期

关键词：

carboxylate ligands; metathesis; ruthenium; catalysis; OLEFIN-METATHESIS CATALYSTS; RING-CLOSING METATHESIS; ELECTRON-WITHDRAWING LIGANDS; ORGANIC-SYNTHESIS; RUTHENIUM CARBENES; IMMOBILIZATION; CARBOXYLATES; REACTIVITY; MECHANISM;

D O I：

10.1016/j.tetlet.2006.09.096

中图分类号：

O62 [有机化学];

学科分类号：

070303 ; 081704 ;

摘要：

The synthesis and characterisation of a new highly active Hoveyda-Grubbs 2nd generation type catalyst is described. Substitution of one chloride ligand with a partially fluorinated trialkoxysilyl substituted carboxylate leads to the stable monocarboxylate ruthenium catalyst (3). This catalyst represents the first example of a stable and isolable mono-chloride exchanged carboxylate complex suitable for both homogeneous and heterogeneous metathesis. The reactivity of the new catalyst was tested in representative metathesis reactions and offers an activity comparable to the parent dichloride system (1). (c) 2006 Elsevier Ltd. All rights reserved.

引用

页码：8617 / 8620

页数：4

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