We report the synthesis and complexing properties of the new cavity-extended receptor 1, a C,C-linked bi-calix[4]arene that selectively binds [70]fullerene in a 2:1 tennis-ball fashion.
![Aryl-aryl linked bi-5,5’-p-tert-butylcalix[4]arene tweezer for fullerene complexation](https://www.iciq.org/wp-content/uploads/2014/03/Aryl-aryl-linked-bi_eng_noticies_articles_2006_41.gif)
Aryl-Aryl Linked Bi-5,5’-p-tert-butylcalix[4]arene Tweezer for Fullerene Complexation
Org. Lett. 2006, 8, 2571-2574.