Issue 30, 2012

Water-soluble, deep-red fluorescent squaraine rotaxanes

Abstract

Eight fluorescent squaraine rotaxanes with deep-red absorption/emission wavelengths were prepared and assessed for chemical stability and suitability as water-soluble, fluorescent tracers. The most stable squaraine rotaxanes have four large stopper groups attached to the ends of the encapsulated squaraine, and two members of this structural class have promise as highly fluorescent tracers with rapid renal clearance and very low tissue uptake in living mice.

Graphical abstract: Water-soluble, deep-red fluorescent squaraine rotaxanes

Supplementary files

Article information

Article type
Communication
Submitted
23 אוק 2011
Accepted
22 נוב 2011
First published
22 נוב 2011

Org. Biomol. Chem., 2012,10, 5769-5773

Water-soluble, deep-red fluorescent squaraine rotaxanes

E. L. Cole, E. Arunkumar, S. Xiao, B. A. Smith and B. D. Smith, Org. Biomol. Chem., 2012, 10, 5769 DOI: 10.1039/C2OB06783H

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