Issue 24, 2008
From the journal:

Dalton Transactions

Dramatic enhancement of the alkene metathesis activity of Mo imido alkylidene complexes upon replacement of one tBuO by a surface siloxy ligand†

Frédéric Blanc,a   Nuria Rendón,a   Romain Berthoud,a   Jean-Marie Basset,a   Christophe Copéret,*a   Zachary J. Tonzetichb  and  Richard R. Schrockb  

* Corresponding authors

a Université de Lyon, Institut de Chimie de Lyon, Laboratoire de Chimie, Catalyse, Polymères et Procédés, CNRS-ESCPE Lyon, 43 bd du 11 Novembre 1918, Villeurbanne, Cedex, France
E-mail: coperet@cpe.fr
Fax: +33472431795
Tel: +33472431811

b Department of Chemistry, Massachusetts Institute of Technology, Cambridge, Massachusetts, USA

Abstract

[([triple bond, length as m-dash]SiO)Mo([triple bond, length as m-dash]NAr)([double bond, length as m-dash]CHCMe2R)(OtBu)], a well-defined silica supported alkene metathesis catalyst precursor, shows a dramatic enhancement of activity and selectivity compared to [Mo([triple bond, length as m-dash]NAr)([double bond, length as m-dash]CHCMe2R)(OtBu)2] and [([triple bond, length as m-dash]SiO)Mo([triple bond, length as m-dash]NAr)([double bond, length as m-dash]CHCMe2R)(CH2tBu)], respectively.

Graphical abstract: Dramatic enhancement of the alkene metathesis activity of Mo imido alkylidene complexes upon replacement of one tBuO by a surface siloxy ligand

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Article information

DOI
https://doi.org/10.1039/B805686M
Article type
Communication
Submitted
03 Jan 2008
Accepted
03 Apr 2008
First published
23 Apr 2008

Dalton Trans., 2008, 3156-3158

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Dramatic enhancement of the alkene metathesis activity of Mo imido alkylidene complexes upon replacement of one tBuO by a surface siloxy ligand

F. Blanc, N. Rendón, R. Berthoud, J. Basset, C. Copéret, Z. J. Tonzetich and R. R. Schrock, Dalton Trans., 2008, 3156 DOI: 10.1039/B805686M

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