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Synfacts 2009(9): 0980-0980
DOI: 10.1055/s-0029-1217687
DOI: 10.1055/s-0029-1217687
Synthesis of Materials and Unnatural Products
© Georg Thieme Verlag
Stuttgart ˙ New York
Azulenated Cyanine Dyes
J. Bricks*, A. Ryabitskii, A. Kachkovskii
National Academy of Sciences of Ukraine and Spoluka Chemical Company, Kiev, Ukraine
Weitere Informationen
Publikationsverlauf
Publikationsdatum:
21. August 2009 (online)
Significance
A series of monomethine cyanine dyes containing an azaazulene moiety (AAZ1-4) was synthesized in moderate yields. Dyes AAZ1-4 display strong NIR absorption bands, with absorption maxima between 600 and 720 nm and absorption coefficients of 4-11 x 10-4 M-¹cm-¹.