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Acidity and Stability of 10-Substituted 1,8-Dihydroxy-9(10H)-anthracenones

Müller, K. ; Gawlik, I. ; Wiegrebe, Wolfgang


The decomposition of 10-substituted anthralin derivatives in dimethyl sulfoxide and ethanol was determined. While 10-ω-phenylalkylidene derivatives were thoroughly stable, 10-ω-phenylacyl-substituted compounds were slowly degraded to danthron and the corresponding carboxylic acids. However, the stability of these derivatives was markedly improved as compared to that of anthralin. Determination of ...


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