Natural product letters 2002-Jun
Synthesis and antioxidant activity of 3-substituted guaiazulene derivatives.
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A series of 3-substituted guaiazulene derivatives has been synthesized and their antioxidant properties were evaluated by monitoring their capacity for scavenging the stable free-radical DPPH. 3-Vinylguaiazulene was the most potent, possessing antioxidant activity superior than alpha-tocopherol. These derivatives were also moderate inhibitors of the proliferation of human promyelocytic leukemia cells.