Issue 44, 2013
From the journal:

RSC Advances

Silica “SHB” chiral Pc-L* copper complexes for halogen-free solvent cyclopropanation reactions†

Brunilde Castano,a   Paolo Zardi,a   Yvonne C. Hönemann,ab   Anne Galarneau,c   Emma Gallo,a   Rinaldo Psaro,b   Alessandro Caselli*a  and  Vladimiro Dal Santo*b  

* Corresponding authors

a Dipartimento di Chimica, Università di Milano, Via C. Golgi 19, 20133 Italy
E-mail: alessandro.caselli@unimi.it
Fax: +39-02-50314405
Tel: +39-02-50314372

b CNR – Istituto di Scienze e Tecnologie Molecolari, Via C. Golgi 19, 20133 Italy
E-mail: v.dalsanto@istm.cnr.it
Fax: +39-02-50314405
Tel: +39-02-50314428

c CNRS ICGM ENSCM, 8 Rue de l′Ecole Normale, 34296 Montpellier, France

Abstract

The grafting of the preformed Pc-L* (pyridine containing macrocyclic ligands) copper(I) complexes on different ordered and non-ordered silicas, and their use, under heterogeneous batch conditions, as catalysts for the olefin cyclopropanation are reported. High yields (up to 99%) and good recyclability in halogen-free solvent reactions were obtained, together with negligible copper leaching (0.1% of total copper).

Graphical abstract: Silica “SHB” chiral Pc-L* copper complexes for halogen-free solvent cyclopropanation reactions

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Article information

DOI
https://doi.org/10.1039/C3RA44806A
Article type
Paper
Submitted
24 Jun 2013
Accepted
18 Sep 2013
First published
18 Sep 2013

RSC Adv., 2013,3, 22199-22205

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Silica “SHB” chiral Pc-L* copper complexes for halogen-free solvent cyclopropanation reactions

B. Castano, P. Zardi, Y. C. Hönemann, A. Galarneau, E. Gallo, R. Psaro, A. Caselli and V. D. Santo, RSC Adv., 2013, 3, 22199 DOI: 10.1039/C3RA44806A

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