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Ac 2 -DPD, the bis-(O)-acetylated derivative of 4,5-dihydroxy-2,3-pentanedione (DPD), was prepared both as a racemic mixture and in the optically active form found in naturally occurring DPD. It was shown to exhibit the same ability as DPD to induce bioluminescence in Vibrio Harveyi and β-galactosidase activity in Salmonella enterica Typhimurium, both Gram-negative bacteria. Likewise, it was...
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