Olefin cyclopropanation and insertion into O-H bonds mediated by copper(I) and palladium(II) covalently anchored to silica xerogels

Sacco, Luigi; Lambert, Stéphanie; Pirard, Jean-Paul; Noels, Alfred

doi:10.1016/j.jcat.2005.03.004

Article (Scientific journals)

Olefin cyclopropanation and insertion into O-H bonds mediated by copper(I) and palladium(II) covalently anchored to silica xerogels

Sacco, Luigi; Lambert, Stéphanie; Pirard, Jean-Paul et al.

2005 • In Journal of Catalysis, 232 (1), p. 51-59

Peer Reviewed verified by ORBi

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https://hdl.handle.net/2268/20059

DOI
10.1016/j.jcat.2005.03.004

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Keywords :

cyclopropanation; insertion; sol-gel; xerogel; pyrazolylpyridine

Abstract :

[en] Copper(I) and palladium(II) ligated to pyrazolylpyridine hearing a tethered (trimethoxysilyl)propyl group in position 4 of the pyrazole ring were chemically bonded to silica via a sol-gel process. The textural properties of the materials (Specific Surface area, porous volume, and pore size distribution) were characterized by nitrogen adsorption-desorption isotherms, mercury porosimetry, and TEM analysis. The hybrid materials were tested as catalysts in olefin cyclopropanation and as potential chemoselective catalysts in the reaction with unsaturated alcohols (double bond versus -OH group), with ethyl diazoacetate as a carbene precursor, and compared with the corresponding homogeneous complexes. © 2005 Elsevier Inc. All rights reserved.

Disciplines :

Chemical engineering
Materials science & engineering
Chemistry

Author, co-author :

Sacco, Luigi

Lambert, Stéphanie ; Université de Liège - ULiège > Département de chimie appliquée > Génie chimique - Chimie physique appliquée

Pirard, Jean-Paul ; Université de Liège - ULiège > Département de chimie appliquée > Génie chimique - Chimie physique appliquée

Noels, Alfred ; Université de Liège - ULiège > Services généraux (Faculté des sciences) > Relations académiques et scientifiques (Sciences)

Language :

English

Title :

Olefin cyclopropanation and insertion into O-H bonds mediated by copper(I) and palladium(II) covalently anchored to silica xerogels

Publication date :

2005

Journal title :

Journal of Catalysis

ISSN :

0021-9517

eISSN :

1090-2694

Publisher :

Academic Press, San Diego, United States - California

Volume :

232

Issue :

Pages :

51-59

Peer reviewed :

Peer Reviewed verified by ORBi

Funders :

F.R.S.-FNRS - Fonds de la Recherche Scientifique

Available on ORBi :

since 27 August 2009

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