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Metal ‘turn-off’, anion ‘turn-on’ gelation cascade in pyridinylmethyl ureas.

Offiler, Caroline A. and Jones, Christopher D. and Steed, Jonathan W. (2017) 'Metal ‘turn-off’, anion ‘turn-on’ gelation cascade in pyridinylmethyl ureas.', Chemical communications., 53 (12). pp. 2024-2027.


Pyridinylmethyl ureas form strong gels in aromatic solvents. The gels are weakened or destroyed by addition of transition metal ions but gelation is recovered by adding bromide anions giving rise to a gel–sol–gel chemically triggered cascade.

Item Type:Article
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Date accepted:18 January 2017
Date deposited:07 February 2017
Date of first online publication:20 January 2017
Date first made open access:18 January 2018

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