β-Aminoalkylboronic acids are capable of binding to carbohydrate derivatives through reversible covalent interactions. An anthracene-bearing β-aminoboronic acid has been synthesized, enabling determinations of association constants for binding of sugars by fluorescence spectroscopy. The diol-binding properties of β-aminoboronic acids are also useful in catalysis: one such compound displays remarkably high activity for regioselective O-acylation of a pyranoside derivative.
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