Sequence Control in Sulphur-Containing Ring-Opening Co- and Terpolymerisations

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Manjunatha, Bhargav R. ; Gallizioli, Cesare ; Fornacon-Wood, Christoph ; Stephan, Jenny ; Stühler, Merlin R. ; Plajer, Alex:
Sequence Control in Sulphur-Containing Ring-Opening Co- and Terpolymerisations.
In: Angewandte Chemie International Edition. Bd. 64 (2025) Heft 26 . - e202507243.
ISSN 1521-3773
DOI: https://doi.org/10.1002/anie.202507243

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Abstract

Sulphur-containing polymers uniquely expand the catalogue of accessible material properties compared to current commodity materials, yet their synthesis remains underdeveloped. Combining sulphur- and oxygen-containing monomers in ring-opening copolymerisation leads to a reshuffling reaction of the sulphur centres, which has been challenging to control ? a central task for reliably tailoring properties. However, very recent methodologies have emerged that not only suppress but also utilise this phenomenon to precisely access sulphur-containing polymer structures. These structures can exhibit improved degradability, chemical recyclability, refractive indices and crystallinity compared to their all-oxygen analogues. Furthermore, underutilised and even entirely untapped monomer feedstocks can become accessible as a result. This minireview aims to provide a roadmap of the tools currently available to selectively access sulphur-containing co- and terpolymer structures to enable emerging applications that leverage the chemistry of sulphur.