Abstract

Here, we describe amentoflavone-type biflavonoids, which were isolated from natural sources and were found to inhibit β-secretase (BACE-1). The structure–activity relationship was studied, and compounds 1–8, 10, 17, and 18 showed BACE-1 inhibitory activity. Among these compounds, 2,3-dihydroamentoflavone 17 and 2,3-dihydro-6-methylginkgetin 18 exhibited potent inhibitory effects with IC50 values of 0.75 and 0.35μM, respectively.

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