A unique rectilinearly π-extended rhodamine dye with large Stokes shift and near-infrared fluorescence for bioimaging?

Chemical Communications Pub Date: 2017-09-08 DOI: 10.1039/C7CC06220F

Abstract

The synthesis of a novel rectilinearly π-extended rhodamine dye (TJ730) has been described. It exhibits NIR fluorescence emission with a Stokes shift of >110 nm. TJ730 and its ester derivative are cell permeable, have low cytotoxicity, are biocompatible, and can be directly used as NIR tracers for lysosome staining. Using TJ730 as a precursor, two probes have been prepared for Cu2+.

Graphical abstract: A unique rectilinearly π-extended rhodamine dye with large Stokes shift and near-infrared fluorescence for bioimaging
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