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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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Article information


Submitted
02 May 2014
Accepted
22 May 2014
First published
20 Jun 2014

Polym. Chem., 2014,5, 5262-5266
Article type
Paper

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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