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Updated: Jun 5, 2026

HKUST-1 as a Heterogeneous Catalyst for the Synthesis of Vanillin
Published on: July 23, 2016
Brønsted acid sites in metal-containing solid acids: from quantification to molecular design of new
Sophie Borghèse1, Aurélien Blanc, Patrick Pale
1Laboratoire de Synthèse et Réactivité Organiques, Institut de Chimie, UMR 7177 CNRS, 4 rue Blaise Pascal, 67000, Strasbourg Cedex.
Abstract:
Based on H/D isotope exchange studies devoted to the quantification of the number of Brønsted acid sites in solid acids, we report herein an innovative approach to determine the amount of silver cations present in Keggin-type polyoxometalates (POM). The molecular design of these bifunctional heteropolyacids can therefore be achieved by varying the Ag(+)versus H(+) exchange ratio in the starting mixture. Consequently, the stoichiometries of Ag(x)H(4-x)SiW₁₂O₄₀ POM were ascertained for 0 < x < 4 by the H/D exchange technique.
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