Nanoencapsulation of [60]Fullerene with the Cavitand Cucurbit[7]uril

Abstract

Novel supramolecular nanocapsules consisting of [60]fullerene and the macrocycle cucurbit[7]uril via self‐assembly are reported. The nanocapsules, which were synthesized in a two‐phase reaction at room temperature, were obtained in good yields. The stoichiometry of the product was found to be 1:2.

^#Dedicated to Prof. Edward Rosenberg on the occasion of his 60th birthday.

Keywords:

• [60]Fullerene
• Cucurbit[7]uril
• C₆₀
• Nanoencapsulation

Acknowledgments

Financial support from the Ministry of Education for the “Brain Korea 21” project is gratefully acknowledged.

Notes

^#Dedicated to Prof. Edward Rosenberg on the occasion of his 60th birthday.

^aFT‐IR (KBr) CB₇: ν 3446 (b), 1728 (s), 1478 (s), 1425 (m), 1383 (m), 1324 (m), 1235 (s), 1189 (m), 1154 (m), 1048 (m), 968 (s), 806 (s), 758 (m), 675 (m); C₆₀: ν 1428 (m), 1181 (m), 575 (s), 526 (s); cucurbit[7]uril–[60]fullerene conjugate: 3417 (b), 1732 (s), 1474 (s), 1423 (m), 1380 (m), 1324 (m), 1233 (m), 1188 (m), 1154 (w), 966 (m), 804 (s), 759 (w), 674 (w), 527 (m).