Article Dans Une Revue Angewandte Chemie International Edition Année : 2025

Ion Mobility Mass Spectrometry to Probe Sequences in Supramolecular Copolymers

Résumé

The analysis of the microstructure of supramolecular copolymers is difficult because of their dynamic character. Here, benzene‐1,3,5‐tricarboxamide (BTA) co‐assemblies are analysed by ion mobility ‐ mass spectrometry (IM‐MS) to reveal the presence of various sequences. For example, the IM‐MS mobilogram for hexamers composed of 4 units from a first monomer and 2 units from a second monomer is a broad distribution due to the presence of 9 possible isomeric sequences, which can be sorted out based on calculated collision cross‐sections. This approach gives unprecedented information on supramolecular copolymer sequences.

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hal-04909950 , version 1 (24-01-2025)

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Cédric Przybylski, Patrick Brocorens, Laetitia-Eiko Xerri, Antoine Perennes, Geoffrey Gontard, et al.. Ion Mobility Mass Spectrometry to Probe Sequences in Supramolecular Copolymers. Angewandte Chemie International Edition, 2025, ⟨10.1002/anie.202421328⟩. ⟨hal-04909950⟩
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