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An extensive study was performed to discover a series of novel 20(R)-panaxadiol derivatives with various substituents at the 3-OH position as nontoxic, brain-permeable, multi-target leads for treating Alzheimer's disease. In vitro analysis revealed that a compound bearing benzyl-substituted carbamate, which we denoted compound 14a, exhibited the most potent neuroprotective activity, with an EC

In light of the adequate sources for Hylotelephium erythrostictum, its active components have aroused research interest. 2-(3′,4′-dihydroxyphenyl)-2,3-dihydro-4,6-dihydroxy-2-(methoxy)- 3-benzofuranone(1), apigenin(2), diosmetin(3), kaempferol(4), kaempferide(5), rhamnocitrin(6), quercetin(7), and gallic acid(8) were isolated from H. erythrostictum. Rarely occurring naturally, 1 is 2-methoxybenzofuranone type compound against α-glucosidase and exhibits a potential inhibitory effect on α-glucosidase(IC50 = 1.8 μM), with a Ki value of 709 nM. In silico molecular docking was performed for the investigation of the inhibition mechanism. H. erythrostictum is a potential source of antidiabetic agent. This information is useful in finding more potent antidiabetic candidates from medicinal plants for the clinical development of therapeutics.