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Molecules 2014, 19(7), 10218-10229; https://doi.org/10.3390/molecules190710218

An Erbium-Based Bifuctional Heterogeneous Catalyst: A Cooperative Route Towards C-C Bond Formation

1
Dipartimento di Scienze della Salute, Università Magna Graecia, Viale Europa, 88100 Germaneto (CZ), Italy
2
Dipartimento di Ingegneria per l'Ambiente e il Territorio e Ingegneria Chimica, Università della Calabria, 87036 Arcavacata di Rende (CS), Italy
3
Dipartimento di Chimica, Università della Calabria, Cubo 12C, 87036 Arcavacata di Rende (CS), Italy
*
Author to whom correspondence should be addressed.
Received: 28 May 2014 / Revised: 2 July 2014 / Accepted: 4 July 2014 / Published: 15 July 2014
(This article belongs to the Section Organic Chemistry)
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Abstract

Heterogeneous bifuctional catalysts are multifunctional synthetic catalysts enabling efficient organic transformations by exploiting two opposite functionalities without mutual destruction. In this paper we report the first Er(III)-based metallorganic heterogeneous catalyst, synthesized by post-calcination MW-assisted grafting and modification of the natural aminoacid L-cysteine. The natural acid–base distance between sites was maintained to assure the cooperation. The applicability of this new bifunctional heterogeneous catalyst to C-C bond formation and the supposed mechanisms of action are discussed as well. View Full-Text
Keywords: aldol reaction; bifunctional catalysis; Henry reaction; lanthanides; mesoporous silica aldol reaction; bifunctional catalysis; Henry reaction; lanthanides; mesoporous silica
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Oliverio, M.; Costanzo, P.; Macario, A.; De Luca, G.; Nardi, M.; Procopio, A. An Erbium-Based Bifuctional Heterogeneous Catalyst: A Cooperative Route Towards C-C Bond Formation. Molecules 2014, 19, 10218-10229.

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