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Issue 2, 2015
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Asymmetric organocatalysts supported on vinyl addition polynorbornenes for work in aqueous media

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Abstract

In an effort to identify novel polymer architectures suitable for a covalent support for catalysts, L-proline derivatives have been immobilized onto rationally designed vinyl addition polynorbornene (VA-PNB) resins through copper-catalyzed azide–alkyne cycloaddition (CuAAC) reactions. These fully saturated resins have been found to be optimal catalyst supports, the resulting proline-functionalized resins behave as very active, easily recoverable and highly reusable organocatalysts for the asymmetric direct aldol reaction of benzaldehydes with ketones in aqueous media. The results show that, the combination of modular VA-PNB resins with proline derivatives and triazole linkers represents a promising strategy for the immobilization of organocatalytic species.

Graphical abstract: Asymmetric organocatalysts supported on vinyl addition polynorbornenes for work in aqueous media

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Publication details

The article was received on 15 Oct 2014, accepted on 03 Nov 2014 and first published on 04 Nov 2014


Article type: Paper
DOI: 10.1039/C4CY01344A
Citation: Catal. Sci. Technol., 2015,5, 754-764
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    Asymmetric organocatalysts supported on vinyl addition polynorbornenes for work in aqueous media

    I. K. Sagamanova, S. Sayalero, S. Martínez-Arranz, A. C. Albéniz and M. A. Pericàs, Catal. Sci. Technol., 2015, 5, 754
    DOI: 10.1039/C4CY01344A

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