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Feature Article

Chem. Commun., 2009, 6329 - 6338, DOI: 10.1039/b911064j

Discovery and early development of squaraine rotaxanes

Jeremiah J. Gassensmith, Jeffrey M. Baumes and Bradley D. Smith

The chemical and photophysical properties of a fluorescent squaraine dye are greatly enhanced when it is mechanically encapsulated inside a tetralactam macrocycle. This feature article describes the synthesis, structure, and photophysical performance of first-generation squaraine rotaxanes, and shows how they can be used as fluorescent imaging probes and chemosensors.

Graphical abstract image for this article (ID: b911064j)