Bambus[6]uril-based [1]rotaxanes were formed quantitatively, utilizing a bis(acyloxy)iodate(I) reversible covalent bond and host–guest anion recognition. These novel [1]rotaxanes exhibited a dynamic nature facilitating carboxylate component exchange reactions in acetonitrile.
![Graphical abstract: Dynamic [1]rotaxanes via a reversible covalent bond and host–guest anion recognition](http://hg.y866.cn/compound/lib/scimg/usr/1/D2CC00779G.jpg)
