Cyclic Ether Triggers for Polymeric Frustrated Lewis Pair Gels

Congrats to Utku, Tom and Meng for their new paper in JACS! This latest instalment of the poly(FLP) chronicles reports the simple synthesis of a tuneable, highly Lewis acidic copolymer and its ability to ring-open cyclic ether substrates when paired with a Lewis basic, phosphine copolymer.

Ring-opening of the cyclic ether substrates leads to polymer network formation, where cross-linking capabilities and subsequent network strength are dependent on the steric and electronic properties of the ethers. The strength of interactions present gives behaviour similar to covalently crosslinked networks, contrasting with our previous DEAD-containing systems.

This is also a nice farewell to Utku, who recently passed his PhD viva!

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