Gallic acid (GA) and gallic acid methyl ester (GM), polyphenol chemiluminescence (CL) compounds, produces light in the presence of alkali and hydrogen peroxide. We synthesized first-generation polyphenol dendrimers with GA units in the periphery and measured their CL for developing a polyphenol compound which has a strong CL intensity. The CL intensities of the poly (3,4,5-trihydroxybenzoate ester) dendrimers 4 and 8 in MeOH are approximately 400- and 600-fold stronger than that of GA, respectively.
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