Emergence of Functions in Self-Assembled Cavitand-Based Capsules

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(1) We elucidated the unusual stability of our self-assembled hydrogen-bonded cavitand heterocapsule with encapsulation of 1,4-bis(1-propynyl)benzene. Based on this result, we designed and synthesized a dumbbell type of cavitand molecules directed to supramolecular capsule polymers.(2) We found that our self-assembled boronic ester cavitand capsule serves as a guard nanocontainer against photochemical reactions of anthracene derivatives by the encapsulation. We also succeeded in the synthesis of a chiral boronic ester cavitand capsule.