Fig. 1: Control of host–guest chemistry by pericyclic reactions.
From: Controlling cyclodextrin host-guest complexation in water with dynamic pericyclic chemistry

a Schematic of dynamic pericyclic reaction control of cyclodextrin host–guest binding. b Chemical structures of the core compounds in this work, as well as illustration of the [4 + 2]cycloaddition reaction of anthracenes 1a–1d with activated alkenes.