The Development of Novel Near-Infrared (NIR) Tetraarylazadipyrromethene Fluorescent Dyes

Novel structures of an near-infrared (NIR) tetraarylazadipyrromethene (aza-BODIPY) series have been prepared. We designed the core structure containing two amido groups at the para-position of the aromatic rings. The amido group was incorporated to secure insensitivity to pH and to ensure a bathochr...

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Bibliographic Details
Published in:Materials 2013-05, Vol.6 (5), p.1779-1788
Main Authors: Lee, Sung-Chan, Zhai, Duanting, Mukherjee, Parag, Chang, Young-Tae
Format: Article
Language:English
Subjects:
Chromatography
Communication
Dyes
Libraries
Solvents
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Summary:Novel structures of an near-infrared (NIR) tetraarylazadipyrromethene (aza-BODIPY) series have been prepared. We designed the core structure containing two amido groups at the para-position of the aromatic rings. The amido group was incorporated to secure insensitivity to pH and to ensure a bathochromic shift to the NIR region. Forty members of aza-BODIPY compounds were synthesized by substitution of the acetyl group with commercial amines on the alpha bromide. The physicochemical properties and photostability were investigated and the fluorescence emission maxima (745~755 nm) were found to be in the near infrared (NIR) range of fluorescence.
ISSN:1996-1944
1996-1944
DOI:10.3390/ma6051779