UV/Vis and fluorescence study on anthralin and its alkylated derivatives

DOI to cite this document:: 10.5283/epub.21491

Sellmer, Andreas ; Terpetschnig, Ewald ; Wiegrebe, Wolfgang ; Wolfbeis, Otto S.

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Date of publication of this fulltext: 18 Jul 2011 09:49

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Abstract

Anthralin 1 and some of its C-10 or O-alkylated derivatives were investigated by UV/VIS- and fluorescence spectroscopy in different solvents and buffer systems, respectively. The effects of substituents on the formation of anthralin anion as well as the constitution of the resulting anions confirm that C-H acidity at position 10 is necessary for the formation of a fully aromatic anionic form. It ...