Supramolecular Storage and Controlled Photorelease of an Oxidizing Agent using a Bambusuril Macrocycle (original) (raw)

Chemistry (Weinheim an der Bergstrasse, Germany), 2017

Abstract

The oxidizing ability of peroxodisulfate upon complexation inside the Bambusuril macrocycle cavity is inhibited. This dianionic agent can be released on demand from its stable 1:1 complex in water (log K =6.9 m ) by addition of a more strongly bound anion, such as iodide (log K =7.1 m ), which can also be delivered in situ upon irradiation from a 4-hydroxyphenacyl iodide derivative with spatial and temporal precision. The oxidizing properties of peroxodisulfate ions liberated from the complex recover and can take part in subsequent chemical transformations.

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