Solid-State Polycyclotrimerization of Diynes to Porous Organic Polymers

Abstract

Herein, we report a solid-state polycyclotrimerization of 1,4-diethynylbenzene using mechanochemical activation in a ball mill, yielding a highly porous and hydrophobic hyperbranched polymer (HBP) with a specific surface area of up to 570 m²g⁻¹. The reaction, catalyzed by Fe(hmds)₂ and conducted under solvent-free conditions, was optimized by varying milling time and frequency. This method enables the efficient synthesis of insoluble, porous organic polymers with high yields (up to 95%) and offers an environmentally friendly alternative to traditional solution-based polymerizations.

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Article information

Article type
Communication
Submitted
15 Aug 2025
Accepted
02 Sep 2025
First published
03 Sep 2025
This article is Open Access
Creative Commons BY license

Chem. Commun., 2025, Accepted Manuscript

Solid-State Polycyclotrimerization of Diynes to Porous Organic Polymers

S. Hutsch, S. Graetz, J. Lins, T. Gutmann and L. Borchardt, Chem. Commun., 2025, Accepted Manuscript , DOI: 10.1039/D5CC04700E

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