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Article Dans Une Revue ChemSystemsChem Année : 2024

1,3‐Acetonedicarboxylic Acid as a Simple Stimulus for Reversible Time‐Controlled pH Modulation

Résumé

Implementation of new activated carboxylic acids is crucial to switch reversibly chemical systems over time in a safer manner. By applying cheap 1,3‐acetonedicarboxylic acid, the pH of aqueous solutions can be decreased before autonomously evolving over time back again to a higher value upon diacid decarboxylation. This decarboxylation can be catalysed by different species such as simple amines or simple metals such as iron and copper salts. This process generates 2 molecules of CO 2 and acetone as single waste, considerably decreasing the toxicity associated with such activated acids. The potential of this weak diacid was confirmed by reversibly disrupting a strong gel upon diacid addition and opens the way to the application in complex chemically fuelled systems.
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Dates et versions

hal-04426388 , version 1 (30-01-2024)

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Vincent Verdoot, Adrien Quintard. 1,3‐Acetonedicarboxylic Acid as a Simple Stimulus for Reversible Time‐Controlled pH Modulation. ChemSystemsChem, 2024, 6 (1), pp.e202300037. ⟨10.1002/syst.202300037⟩. ⟨hal-04426388⟩
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