Definition of "benzoquinone" [benzoquinone]

• Either of the two isomeric forms of the simplest quinone, C6H4O2, or any of their derivatives. (noun)

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• "Moreover, based on these considerations, we suggest that ligands with dihydroxyphenyl (or 1,2 benzoquinone) groups could be selected for further non-covalent binding assays."
• "We thus propose that the dihydroxyphenyl group (or 1,2 benzoquinone as in some dopamine derivatives, like dopaminochrome) may play an important role for binding to α-syn, possibly through long-range electrostatic interactions."
• "The remaining 20% is converted to a highly reactive compound known as n-acetyl-p-benzoquinone imine, otherwise known as NAPQI for short."