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Bulletin of the Korean Chemical Society (BKCS)

ISSN 0253-2964(Print)
ISSN 1229-5949(Online)
Volume 34, Number 1
BKCSDE 34(1)
January 20, 2013 

First Total Synthesis of Highly Anti-Inflammatory Active Licochalcone D Through Water-Accelerated [3,3]-Sigmatropic Rearrangement
Si-Jun Kim, Jong-Gab Jun*
Licochalcone D, Anti-inflammatory activity, Glycyrrhiza inflata, Water-accelerated [3,3]-sigmatropic rearrangement, Licorice
Licochalcones, derived from the dried roots of Glycyrrhiza inflata, have been reported to show various biological activities including antitumor, antiparasitic, antileishmanial, antioxidative, superoxide scavenging, antibacterial, and PTP1B activity. Licochalcone D has an allyl group on ring A instead of ring B, however, most other natural licochalcones possess the group on ring B. Total synthesis of licochalcone D has not been reported even possessing the strongest anti-inflammatory activity. Therefore, the first total synthesis of licochalcone D has been developed by using water-accelerated [3,3]-sigmatropic rearrangement method.
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