5,6-Dihydroxyindole

5,6-Dihydroxyindole can be used as a building block to synthesize:

• Eumelanin biopolymers via copolymerization reaction with 2-carboxy-5,6-dihydroxyindoles.
• 4-[bis(1H-5,6-diacetoxyindol-2-yl)methyl]-1,2-diacetoxybenzene by reacting with 3,4-dihydroxybenzaldehyde.
• Fluoride anion sensing acetylated trimer molecule via acid-catalyzed polymerization followed by acetylation reaction.

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