Dendritic antioxidants with pyrazole as the core: Ability to scavenge radicals and to protect DNA

► The synthesized phenyl-substituted pyrazoles possess dendritic structure. ► They can scavenge ABTS+
- and DPPH even though only one hydroxyl was contained. ► They can protect DNA against Cu2 +/glutathione-,
- OH-, and peroxyl radical-induced oxidation.