MELATONIN DERIVATIVES AND THEIR USE AS ANTIOXIDANTS

摘要

Disclosed is an Indole derivative of the formula shown wherein: R1 is hydrogen, C1-C6 alkyl, C2-C6 alkenyl, C1-C6 alkoxy, or C2-C6 alkenoxy; R2 is C1-C6 alkyl-NHCOCH3, C2-C6 alkenyl-NHCOCH3; R3 is CO(C1-C6 alkyl) , CO(C2-C6 alkenyl) , C1-C6 alkoxy, C2-C6 alkenoxy; and R4 is C1-C6 alkoxy or C2-C6 alkenoxy.