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Issue 18, 2014
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Heterogeneous organocatalysts composed of microporous polymer networks assembled by Tröger's base formation

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Abstract

Microporous polymer networks are assembled from triamino-triptycene monomers using a polymerisation reaction based on the formation of Tröger's base (TB). The highly rigid triptycene units ensure that the polymer networks demonstrate significant intrinsic microporosity as demonstrated by apparent surface areas of up to 1000 m2 g−1. These networks act as heterogeneous basic catalysts which enhance greatly the rate of a model Knovenagel reaction between malonontrile and benzaldehyde. Indeed, the microporous networks, which possess a high concentration of basic sites, enhance the rate of the Knovenagel reaction even more efficiently than using Tröger's base as a homogeneous catalyst.

Graphical abstract: Heterogeneous organocatalysts composed of microporous polymer networks assembled by Tröger's base formation

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Publication details

The article was received on 02 May 2014, accepted on 22 May 2014 and first published on 20 Jun 2014


Article type: Paper
DOI: 10.1039/C4PY00608A
Polym. Chem., 2014,5, 5262-5266

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    Heterogeneous organocatalysts composed of microporous polymer networks assembled by Tröger's base formation

    M. Carta, M. Croad, K. Bugler, K. J. Msayib and N. B. McKeown, Polym. Chem., 2014, 5, 5262
    DOI: 10.1039/C4PY00608A

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