Xanthone and Flavone Derivatives as Dual Agents with Acetylcholinesterase Inhibition and Antioxidant Activity as Potential Anti-Alzheimer Agents

Table 1

DPPH radical scavenging activity of tested compounds.

Compounds	% of scavenging DPPH radical at 100 µM	IC50 (µM)
1	n.a.	n.d.
2	n.a.	n.d.
3	n.a.	n.d.
6		n.d.
7		n.d.
8		n.d.
9	n.a.	n.d.
11
12
13
14

Results are given as mean ± SEM of three independent experiments performed in triplicate; n.a.: not active; n.d.: not determined. Ascorbic acid (positive control): IC₅₀:  . ; ; .