Supramolecular Storage and Controlled Photorelease of an Oxidizing Agent using a Bambusuril Macrocycle
作者:Edoardo Torti、Václav Havel、Mirza A. Yawer、Lucie Ludvíková、Michal Babiak、Petr Klán、Vladimir Sindelar
DOI:10.1002/chem.201704948
日期:2017.11.27
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 Ka=6.9 m−1) by addition of a more strongly bound anion, such as iodide (log Ka=7.1 m−1), which can also be delivered in situ upon irradiation from a 4‐hydroxyphenacyl iodide derivative with spatial and
在班巴苏瑞大环腔内络合时,过二硫酸盐的氧化能力受到抑制。可通过添加更牢固结合的阴离子(如碘化物)(log K a = 7.1 m -1),按需从水中稳定的1:1络合物(log K a = 6.9 m -1) 释放该双阴离子剂 ,它也可以在时空上从4-羟基苯甲酰碘衍生物的照射下原位递送。从络合物中释放出来的过二硫酸盐离子的氧化特性得以恢复,并可以参与随后的化学转化。