Perfect Host for Tetrathiafulvalene

Perfect Host for Tetrathiafulvalene

Author: EurJOC

French researchers led by Jean-Pierre Sauvage, University of Strasbourg, and Marc Sallé, University of Angers, have shown that a cyclic [4]rotaxane is able to encapsulate one π-donating tetrathiafulvalene (TTF) molecule thanks to donor–acceptor interactions. The encapsulation of another π donor, namely extended tetrathiafulvalene (exTTF), which possesses a similar π-donating ability but a much larger structure and a curved shape, is not possible because exTTF is too large to enter the cavity. This means that the cyclic rotaxane is a shape/size-selective receptor.

This work paves the way to the elaboration of new topologically interesting systems, like “rotaxanes of rotaxanes” by taking advantage of the threaded nature of the present complex.


Leave a Reply

Your email address will not be published.