Research Article

Synthesis, Radical-Scavenging Activities, and Protective Effects against AAPH-Induced Oxidative Damage in DNA and Erythrocytes of Piperine Derivatives

Figure 1

Scheme for the preparation of piperine derivatives. KOH: potassium hydroxide; (COCl)2: oxalyl chloride; KF: potassium fluoride: Al2O3: aluminium oxide; BBr3: boron tribromide.